Back to nexus-experiment.xsd
<!--
This is a metadata schema for describing an experiment utilizing equipment
from the Nexus Microscopy Lab. This schema is designed to capture the
necessary information about an experiment, including its title, ID, and
associated metadata. It is intended to be used in conjunction within
NexusLIMS schemas to provide a comprehensive view of an experiment.
-->
<xs:schema xmlns:nx="https://data.nist.gov/od/dm/nexus/experiment/v1.0" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3c.org/2001/XMLSchema-instance" targetNamespace="https://data.nist.gov/od/dm/nexus/experiment/v1.0" elementFormDefault="qualified" attributeFormDefault="unqualified" version="1.03-10-2022">
<xs:annotation>
<xs:documentation>
A metadata schema for describing an experiment utilizing equipment
from the Nexus Microscopy Lab.
</xs:documentation>
</xs:annotation>
<xs:element name="Experiment" type="nx:Experiment">
<xs:annotation>
<xs:appinfo>
</xs:appinfo>
<xs:documentation>
The root element for a document describing an Experiment
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:complexType name="Experiment">
<xs:annotation>
<xs:documentation>
A description of an experiment using an instrument in Nexus
Microscopy Lab
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="title" type="xs:token" minOccurs="0">
<xs:annotation>
<xs:appinfo>
<label>Title</label>
</xs:appinfo>
<xs:documentation>The title of this experiment</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="id" type="xs:token" minOccurs="0">
<xs:annotation>
<xs:appinfo>
<label>Identifier</label>
</xs:appinfo>
<xs:documentation>
A unique local identifier assigned to this record.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="summary" type="nx:Summary">
<xs:annotation>
<xs:appinfo>
<label>Summary</label>
</xs:appinfo>
<xs:documentation>
A collection of metadata that summarize the overall use and
intent of the experiment.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="sample" type="nx:Sample" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<label>Sample</label>
</xs:appinfo>
<xs:documentation>
A description of a sample examined in this experiment.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="project" type="nx:Project" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<label>Project</label>
</xs:appinfo>
<xs:documentation>
A description of a project of which this Experiment is a part.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="acquisitionActivity" type="nx:AcquisitionActivity" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<label>Acquisition Activity</label>
</xs:appinfo>
<xs:documentation>
A description of a specific group of data acqusition during this
experimental session.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="notes" type="nx:Notes" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
Largely unformatted notes taken regarding the current sample
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="pid">
<xs:annotation>
<xs:appinfo>
<label>Persistent Identifier</label>
</xs:appinfo>
<xs:documentation> An unambiguous identifier for this resource description as
assigned by its author or its curating registry. </xs:documentation>
<xs:documentation> This attribute is required on export. </xs:documentation>
<xs:documentation> Authors may use this identifier for a proxy ID for the underlying
resource if one does not exist</xs:documentation>
</xs:annotation>
<xs:simpleType>
<xs:annotation>
<xs:appinfo>
<module>module-local-id-registry</module>
</xs:appinfo>
</xs:annotation>
<xs:restriction base="xs:string"/>
</xs:simpleType>
</xs:attribute>
</xs:complexType>
<xs:complexType name="Summary">
<xs:annotation>
<xs:documentation>
A collection of metadata that summarize the overall use and
intent of the experiment.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="experimenter" type="xs:token" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<label>Experimenter</label>
</xs:appinfo>
<xs:documentation>
The name of the user running this experiment.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="collaborator" type="xs:token" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<label>Collaborator</label>
</xs:appinfo>
<xs:documentation>
The name of a notable collaborator in the experiment
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="instrument" type="nx:Instrument" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:appinfo>
<label>Instrument</label>
</xs:appinfo>
<xs:documentation>
The instrument used in this experiment
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="reservationStart" type="xs:dateTime" minOccurs="0">
<xs:annotation>
<xs:appinfo>
<label>Reservation start time</label>
</xs:appinfo>
<xs:documentation>The start time of this experiment</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="reservationEnd" type="xs:dateTime" minOccurs="0">
<xs:annotation>
<xs:appinfo>
<label>Reservation end time</label>
</xs:appinfo>
<xs:documentation>The end time of this experiment</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="motivation" type="xs:string" minOccurs="0">
<xs:annotation>
<xs:appinfo>
<label>Motivation</label>
</xs:appinfo>
<xs:documentation>
A prose description of the motivation, purpose, or other intent
behind this experiment.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="ref" type="xs:anyURI">
<xs:annotation>
<xs:documentation>
An external link to the reservation or metadata record used
to populate this Experiment record. Could be a link to
a particular reservation in a facility management system,
for instance.
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:complexType name="Sample">
<xs:annotation>
<xs:documentation>
A collection of metadata that describe a sample examined during
an experiment.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="name" type="xs:token" minOccurs="0">
<xs:annotation>
<xs:documentation>
A name for the sample (for display purposes)
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="description" type="xs:token" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
A description of the sample (where each occurance can
be thought of as a separate paragraph).
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="notes" type="nx:Notes" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
Largely unformatted notes taken regarding the current sample
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="elements" type="nx:PeriodicTableElementType" minOccurs="0" maxOccurs="1">
<xs:annotation>
<xs:documentation> A list of one or more elements that are present or expected to be
present in this sample </xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="id" type="xs:string">
<xs:annotation>
<xs:documentation>
An identifier (unique to this document) that identifies
the current sample. This can be the sample name if it
is unique.
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="ref" type="xs:string">
<xs:annotation>
<xs:documentation>
An external persistent identifier for the current sample
the current sample. This can be the sample name if it
is unique.
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:complexType name="Project">
<xs:annotation>
<xs:documentation>
A collection of metadata that describes a project to which an
Experiment can belong.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="name" type="xs:token" minOccurs="0">
<xs:annotation>
<xs:documentation>
A name for the project (for display purposes)
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="division" type="xs:token" minOccurs="0">
<xs:annotation>
<xs:documentation>
The division ID to which this project belongs
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="group" type="xs:token" minOccurs="0">
<xs:annotation>
<xs:documentation>
The group ID within a division to which this
project belongs
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="project_id" type="xs:token" minOccurs="0">
<xs:annotation>
<xs:documentation>
The specific project ID within a research group/division
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="ref" type="xs:anyURI" minOccurs="0">
<xs:annotation>
<xs:documentation>
An (optional) link to this project in another database
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="AcquisitionActivity">
<xs:annotation>
<xs:documentation>
A collection of metadata that describe a specific group
of acquired data during the Experiment.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="startTime" type="xs:dateTime" minOccurs="0">
<xs:annotation>
<xs:documentation>
A date and time recorded as the start of this activity.
This can be the time of the creation of the of the first
dataset.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="sampleID" type="xs:token" minOccurs="0">
<xs:annotation>
<xs:documentation>
The identifier for the sample that was part of this
acquisition activity. This should match a value of
the id attribute for a sample element included in
this document.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="setup" type="nx:Setup" minOccurs="0">
<xs:annotation>
<xs:documentation>
Metadata describing the set-up of the instrument
during the current Acqusition Activity.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="notes" type="nx:Notes" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
Largely unformatted notes taken regarding the current Acqusition Activity
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="dataset" type="nx:Dataset" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
A file or named set of files that was acquired during
the current Acqusition Activity.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="seqno" type="xs:integer">
<xs:annotation>
<xs:documentation>
A number that indicates the order that this Acqusition Activity occurred
within a sequence of Acqusition Activities.
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:complexType name="Notes">
<xs:annotation>
<xs:documentation>
Generic content pulled as notes (lightly structured).
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="entry" type="nx:Entry" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
A section of the notes. Each section can be of a different
type with different structural content (e.g. for text, an
image, a table, etc.)
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="source" type="xs:string">
<xs:annotation>
<xs:documentation>
A label indicating where the notes were extracted from (e.g. "ELN")
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:complexType name="Entry">
<xs:annotation>
<xs:documentation>
An entry into a set of notes. This type serves as a base type
for different sub-types.
</xs:documentation>
</xs:annotation>
<xs:sequence> </xs:sequence>
</xs:complexType>
<xs:complexType name="TextEntry">
<xs:annotation>
<xs:documentation>
A text entry into a set of notes.
</xs:documentation>
</xs:annotation>
<xs:complexContent>
<xs:extension base="nx:Entry">
<xs:sequence>
<xs:element name="p" type="xs:token" minOccurs="1" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
Free text content
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="ImageEntry">
<xs:annotation>
<xs:documentation>
An image entry into a set of notes.
</xs:documentation>
</xs:annotation>
<xs:complexContent>
<xs:extension base="nx:Entry">
<xs:sequence>
<xs:sequence>
<xs:element name="imageURL" type="xs:anyURI" minOccurs="1" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
A link to an image inserted into the notes
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="TableEntry">
<xs:annotation>
<xs:documentation>
A table entry into a set of notes.
</xs:documentation>
</xs:annotation>
<xs:complexContent>
<xs:extension base="nx:Entry">
<xs:sequence>
<xs:sequence>
<xs:element name="table" type="nx:Table" minOccurs="1" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
Tabular content inserted into the notes
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="Table">
<xs:annotation>
<xs:documentation>
A single grid of tabular information
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="title" type="xs:token" minOccurs="0" maxOccurs="1">
<xs:annotation>
<xs:documentation>
The title for the table
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="header" type="nx:TableHeader">
<xs:annotation>
<xs:documentation>
The description of the table's columns
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="rows" type="nx:TableRows">
<xs:annotation>
<xs:documentation>
The main data of the table, organized into rows
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="TableHeader">
<xs:annotation>
<xs:documentation>
A description of a table's columns
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="column" type="nx:TableColumn" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
A single column of data in the table
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="TableColumn">
<xs:annotation>
<xs:documentation>
A description of one column in a table
</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:token">
<xs:attribute name="id">
<xs:annotation>
<xs:documentation>
The identifier to assign to this column (for reference by
cell elements).
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="TableRows">
<xs:annotation>
<xs:documentation>
The main data body of a table, organized as a sequence of rows.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="row" type="nx:TableRow" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
A single row of data in the table
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="TableRow">
<xs:annotation>
<xs:documentation>
A single row of a table
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="cell" type="nx:TableCell" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
A single cell in a row of a table.
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="seqno" type="xs:integer">
<xs:annotation>
<xs:documentation>
A number that indicates the order that the row appears
in the table.
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:complexType name="TableCell">
<xs:annotation>
<xs:documentation>
A container for data in one cell of the table.
</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:token">
<xs:attribute name="colid">
<xs:annotation>
<xs:documentation>
The identifier for the column that this cell corresponds to
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:complexType name="Setup">
<xs:annotation>
<xs:documentation>
Metadata describing the set-up of an instrument (values common
to all datasets within an Acqusition Activity).
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="param" type="nx:Parameter" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
An arbitrary setup parameter with a name and a value
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="Dataset">
<xs:annotation>
<xs:documentation>
A description of a file or set of files.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="name" type="xs:string">
<xs:annotation>
<xs:documentation>
The name given to the dataset
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="location" type="xs:string">
<xs:annotation>
<xs:documentation>
A directory path or URL indicating the location where
the dataset is stored
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="format" type="xs:string" minOccurs="0">
<xs:annotation>
<xs:documentation>
A string (can be a MIME type) indicating the format of
the dataset (e.g. TIFF, DICOM, Excel).
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="description" type="xs:string" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
A description of the dataset (where each occurance can
be thought of as a separate paragraph).
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="preview" type="xs:string" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
URL or string path to a preview rendering (thumbnail) of the data
in the dataset.
</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element name="meta" type="nx:Parameter" minOccurs="0" maxOccurs="unbounded">
<xs:annotation>
<xs:documentation>
An arbitrary metadatum with a name and a value unique to this dataset
</xs:documentation>
</xs:annotation>
</xs:element>
</xs:sequence>
<xs:attribute name="type" type="nx:DatasetType">
<xs:annotation>
<xs:documentation>
A label indicating the type of this dataset (taken from
a controlled list).
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="role" type="nx:DatasetRole">
<xs:annotation>
<xs:documentation>
A label indicating the experimental role of this dataset
(taken from a controlled list).
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:complexType name="Parameter">
<xs:annotation>
<xs:documentation>
A piece of arbitrary metadata featuring a name and a value, unique
to a dataset within an Acqusition Activity.
</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:token">
<xs:attribute name="name">
<xs:annotation>
<xs:documentation>
The name of the parameter
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="unit">
<xs:annotation>
<xs:documentation>
A physical unit associated with the value of this parameter
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="warning" type="boolean">
<xs:annotation>
<xs:documentation>
A marker to indicate that this parameter may not be reliable
(an instrument may have not written it correctly, or it is commonly not
filled out properly, etc.)
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:simpleType name="InstrumentName">
<xs:annotation>
<xs:documentation>
Controlled labels that identify available instruments in the
facility (matching names in the reservation calendar resource).
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:token">
<xs:enumeration value="FEI Titan TEM">
<xs:annotation>
<xs:documentation>
The FEI Titan transmission electron microscope in Bldg 1/Room A
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="FEI Titan STEM">
<xs:annotation>
<xs:documentation>
The FEI Titan scanning transmission electron microscope in Bldg 1/Room A
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="FEI Helios">
<xs:annotation>
<xs:documentation>
The FEI Helios dual beam FIB/SEM in Bldg 1/Room A
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="FEI Quanta200">
<xs:annotation>
<xs:documentation>
The FEI Quanta 200 environmental scanning electron microscope in Bldg 1/Room A
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Hitachi S4700">
<xs:annotation>
<xs:documentation>
The Hitachi S4700 scanning electron microscope in Bldg 1/Room A
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Hitachi S5500">
<xs:annotation>
<xs:documentation>
The Hitachi S5500 scanning electron microscope in Bldg 1/Room A
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="JEOL JEM3010">
<xs:annotation>
<xs:documentation>
The JEOL JEM3010 transmission electron microscope in Bldg 1/Room A
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="JEOL JSM7100">
<xs:annotation>
<xs:documentation>
The JEOL JSM7100 scanning electron microscope in Bldg 1/Room A
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Philips EM400">
<xs:annotation>
<xs:documentation>
The Phillips EM400 transmission electron microscope in Bldg 1/Room A
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Philips CM30">
<xs:annotation>
<xs:documentation>
The Phillips CM30 transmission electron microscope
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Test Tool">
<xs:annotation>
<xs:documentation>
A test tool that does not exist for testing
</xs:documentation>
</xs:annotation>
</xs:enumeration>
</xs:restriction>
</xs:simpleType>
<xs:complexType name="Instrument">
<xs:annotation>
<xs:documentation>
The identification of an instrument in the
facility.
</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:token">
<xs:attribute name="pid" type="xs:token">
<xs:annotation>
<xs:documentation>
An unique identifier that identifies the instrument within facility.
</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="ref" type="xs:anyURI">
<xs:annotation>
<xs:documentation>
An (optional) link to this instrument in another database
</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<xs:simpleType name="DatasetType">
<xs:annotation>
<xs:documentation>
Controlled labels that identify a functional type data contained in
a dataset.
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:token">
<xs:enumeration value="Image">
<xs:annotation>
<xs:documentation>
A 2-D array of data where each value is typically an
intensity measurement as function of regularly spaced position
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Spectrum">
<xs:annotation>
<xs:documentation>
A 1-D array of data where each value is typically an
intensity measurement as a function of frequency or energy
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="SpectrumImage">
<xs:annotation>
<xs:documentation>
A 3-D array of data where each value is typically an
intensity measurement as a function of regularly space
position along two axes and of frequency or energy along
the third.
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Diffraction">
<xs:annotation>
<xs:documentation>
Data that measures a (usually electron) diffraction pattern
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Notes">
<xs:annotation>
<xs:documentation>
Arbitrary textual data that is typically manually created by
the Experimenter.
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Misc">
<xs:annotation>
<xs:documentation>
A dataset that does not qualify as of any of the other
defined types.
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Unknown">
<xs:annotation>
<xs:documentation>
A dataset with an unknown type (meaning its metadata could
not be extracted with current methods).
</xs:documentation>
</xs:annotation>
</xs:enumeration>
</xs:restriction>
</xs:simpleType>
<xs:simpleType name="DatasetRole">
<xs:annotation>
<xs:documentation>
Controlled labels that identify the functional role of a dataset
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:token">
<xs:enumeration value="Experimental">
<xs:annotation>
<xs:documentation>
"Normal" data collected during typical operation of an instrument
for experimental purposes
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="MasterCalibration">
<xs:annotation>
<xs:documentation>
Reference data collected for the purpose of instrument calibration
during instrument service events or by allowed super users
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="UserCalibration">
<xs:annotation>
<xs:documentation>
Data collected alongside "Experimental" Datasets by regular users
for calibration purposes between service events or for a specific
experiment
</xs:documentation>
</xs:annotation>
</xs:enumeration>
<xs:enumeration value="Derived">
<xs:annotation>
<xs:documentation>
Data that is not collected form an instrument, but rather
derived from raw and/or calibration data as the result of
post-acquisition analysis processes
</xs:documentation>
</xs:annotation>
</xs:enumeration>
</xs:restriction>
</xs:simpleType>
<xs:complexType name="PeriodicTableElementType">
<xs:annotation>
<xs:documentation> Allowed periodic table element values. Includes abbreviations from the
periodic table up to element number 118. This list was adapted from the Chemical Markup
Language schema (http://www.xml-cml.org/schema/schema3/) </xs:documentation>
</xs:annotation>
<xs:all>
<xs:element minOccurs="0" name="H">
<xs:annotation>
<xs:documentation>Hydrogen; Atomic number 1</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="He">
<xs:annotation>
<xs:documentation>Helium; Atomic number 2</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Li">
<xs:annotation>
<xs:documentation>Lithium; Atomic number 3</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Be">
<xs:annotation>
<xs:documentation>Beryllium; Atomic number 4</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="B">
<xs:annotation>
<xs:documentation>Boron; Atomic number 5</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="C">
<xs:annotation>
<xs:documentation>Carbon; Atomic number 6</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="N">
<xs:annotation>
<xs:documentation>Nitrogen; Atomic number 7</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="O">
<xs:annotation>
<xs:documentation>Oxygen; Atomic number 8</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="F">
<xs:annotation>
<xs:documentation>Fluorine; Atomic number 9</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ne">
<xs:annotation>
<xs:documentation>Neon; Atomic number 10</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Na">
<xs:annotation>
<xs:documentation>Sodium; Atomic number 11</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Mg">
<xs:annotation>
<xs:documentation>Magnesium; Atomic number 12</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Al">
<xs:annotation>
<xs:documentation>Aluminum; Atomic number 13</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Si">
<xs:annotation>
<xs:documentation>Silicon; Atomic number 14</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="P">
<xs:annotation>
<xs:documentation>Phosphorus; Atomic number 15</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="S">
<xs:annotation>
<xs:documentation>Sulfur; Atomic number 16</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Cl">
<xs:annotation>
<xs:documentation>Chlorine; Atomic number 17</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ar">
<xs:annotation>
<xs:documentation>Argon; Atomic number 18</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="K">
<xs:annotation>
<xs:documentation>Potassium; Atomic number 19</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ca">
<xs:annotation>
<xs:documentation>Calcium; Atomic number 20</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Sc">
<xs:annotation>
<xs:documentation>Scandium; Atomic number 21</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ti">
<xs:annotation>
<xs:documentation>Titanium; Atomic number 22</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="V">
<xs:annotation>
<xs:documentation>Vanadium; Atomic number 23</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Cr">
<xs:annotation>
<xs:documentation>Chromium; Atomic number 24</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Mn">
<xs:annotation>
<xs:documentation>Manganese; Atomic number 25</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Fe">
<xs:annotation>
<xs:documentation>Iron; Atomic number 26</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Co">
<xs:annotation>
<xs:documentation>Cobalt; Atomic number 27</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ni">
<xs:annotation>
<xs:documentation>Nickel; Atomic number 28</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Cu">
<xs:annotation>
<xs:documentation>Copper; Atomic number 29</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Zn">
<xs:annotation>
<xs:documentation>Zinc; Atomic number 30</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ga">
<xs:annotation>
<xs:documentation>Gallium; Atomic number 31</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ge">
<xs:annotation>
<xs:documentation>Germanium; Atomic number 32</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="As">
<xs:annotation>
<xs:documentation>Arsenic; Atomic number 33</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Se">
<xs:annotation>
<xs:documentation>Selenium; Atomic number 34</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Br">
<xs:annotation>
<xs:documentation>Bromine; Atomic number 35</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Kr">
<xs:annotation>
<xs:documentation>Krypton; Atomic number 36</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Rb">
<xs:annotation>
<xs:documentation>Rubidium; Atomic number 37</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Sr">
<xs:annotation>
<xs:documentation>Strontium; Atomic number 38</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Y">
<xs:annotation>
<xs:documentation>Yttrium; Atomic number 39</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Zr">
<xs:annotation>
<xs:documentation>Zirconium; Atomic number 40</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Nb">
<xs:annotation>
<xs:documentation>Niobium; Atomic number 41</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Mo">
<xs:annotation>
<xs:documentation>Molybdenum; Atomic number 42</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Tc">
<xs:annotation>
<xs:documentation>Technetium; Atomic number 43</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ru">
<xs:annotation>
<xs:documentation>Ruthenium; Atomic number 44</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Rh">
<xs:annotation>
<xs:documentation>Rhodium; Atomic number 45</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Pd">
<xs:annotation>
<xs:documentation>Palladium; Atomic number 46</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ag">
<xs:annotation>
<xs:documentation>Silver; Atomic number 47</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Cd">
<xs:annotation>
<xs:documentation>Cadmium; Atomic number 48</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="In">
<xs:annotation>
<xs:documentation>Indium; Atomic number 49</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Sn">
<xs:annotation>
<xs:documentation>Tin; Atomic number 50</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Sb">
<xs:annotation>
<xs:documentation>Antimony; Atomic number 51</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Te">
<xs:annotation>
<xs:documentation>Tellurium; Atomic number 52</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="I">
<xs:annotation>
<xs:documentation>Iodine; Atomic number 53</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Xe">
<xs:annotation>
<xs:documentation>Xenon; Atomic number 54</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Cs">
<xs:annotation>
<xs:documentation>Cesium; Atomic number 55</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ba">
<xs:annotation>
<xs:documentation>Barium; Atomic number 56</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="La">
<xs:annotation>
<xs:documentation>Lanthanum; Atomic number 57</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ce">
<xs:annotation>
<xs:documentation>Cerium; Atomic number 58</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Pr">
<xs:annotation>
<xs:documentation>Praseodymium; Atomic number 59</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Nd">
<xs:annotation>
<xs:documentation>Neodymium; Atomic number 60</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Pm">
<xs:annotation>
<xs:documentation>Promethium; Atomic number 61</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Sm">
<xs:annotation>
<xs:documentation>Samarium; Atomic number 62</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Eu">
<xs:annotation>
<xs:documentation>Europium; Atomic number 63</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Gd">
<xs:annotation>
<xs:documentation>Gadolinium; Atomic number 64</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Tb">
<xs:annotation>
<xs:documentation>Terbium; Atomic number 65</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Dy">
<xs:annotation>
<xs:documentation>Dysprosium; Atomic number 66</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ho">
<xs:annotation>
<xs:documentation>Holmium; Atomic number 67</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Er">
<xs:annotation>
<xs:documentation>Erbium; Atomic number 68</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Tm">
<xs:annotation>
<xs:documentation>Thulium; Atomic number 69</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Yb">
<xs:annotation>
<xs:documentation>Ytterbium; Atomic number 70</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Lu">
<xs:annotation>
<xs:documentation>Lutetium; Atomic number 71</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Hf">
<xs:annotation>
<xs:documentation>Hafnium; Atomic number 72</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ta">
<xs:annotation>
<xs:documentation>Tantalum; Atomic number 73</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="W">
<xs:annotation>
<xs:documentation>Tungsten; Atomic number 74</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Re">
<xs:annotation>
<xs:documentation>Rhenium; Atomic number 75</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Os">
<xs:annotation>
<xs:documentation>Osmium; Atomic number 76</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ir">
<xs:annotation>
<xs:documentation>Iridium; Atomic number 77</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Pt">
<xs:annotation>
<xs:documentation>Platinum; Atomic number 78</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Au">
<xs:annotation>
<xs:documentation>Gold; Atomic number 79</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Hg">
<xs:annotation>
<xs:documentation>Mercury; Atomic number 80</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Tl">
<xs:annotation>
<xs:documentation>Thallium; Atomic number 81</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Pb">
<xs:annotation>
<xs:documentation>Lead; Atomic number 82</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Bi">
<xs:annotation>
<xs:documentation>Bismuth; Atomic number 83</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Po">
<xs:annotation>
<xs:documentation>Polonium; Atomic number 84</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="At">
<xs:annotation>
<xs:documentation>Astatine; Atomic number 85</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Rn">
<xs:annotation>
<xs:documentation>Radon; Atomic number 86</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Fr">
<xs:annotation>
<xs:documentation>Francium; Atomic number 87</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ra">
<xs:annotation>
<xs:documentation>Radium; Atomic number 88</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ac">
<xs:annotation>
<xs:documentation>Actinium; Atomic number 89</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Th">
<xs:annotation>
<xs:documentation>Thorium; Atomic number 90</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Pa">
<xs:annotation>
<xs:documentation>Protactinium; Atomic number 91</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="U">
<xs:annotation>
<xs:documentation>Uranium; Atomic number 92</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Np">
<xs:annotation>
<xs:documentation>Neptunium; Atomic number 93</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Pu">
<xs:annotation>
<xs:documentation>Plutonium; Atomic number 94</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Am">
<xs:annotation>
<xs:documentation>Americium; Atomic number 95</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Cm">
<xs:annotation>
<xs:documentation>Curium; Atomic number 96</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Bk">
<xs:annotation>
<xs:documentation>Berkelium; Atomic number 97</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Cf">
<xs:annotation>
<xs:documentation>Californium; Atomic number 98</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Es">
<xs:annotation>
<xs:documentation>Einsteinium; Atomic number 99</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Fm">
<xs:annotation>
<xs:documentation>Fermium; Atomic number 100</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Md">
<xs:annotation>
<xs:documentation>Mendelevium; Atomic number 101</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="No">
<xs:annotation>
<xs:documentation>Nobelium; Atomic number 102</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Lr">
<xs:annotation>
<xs:documentation>Lawrencium; Atomic number 103</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Rf">
<xs:annotation>
<xs:documentation>Rutherfordium; Atomic number 104</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Db">
<xs:annotation>
<xs:documentation>Dubnium; Atomic number 105</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Sg">
<xs:annotation>
<xs:documentation>Seaborgium; Atomic number 106</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Bh">
<xs:annotation>
<xs:documentation>Bohrium; Atomic number 107</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Hs">
<xs:annotation>
<xs:documentation>Hassium; Atomic number 108</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Mt">
<xs:annotation>
<xs:documentation>Meitnerium; Atomic number 109</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ds">
<xs:annotation>
<xs:documentation>Darmstadtium; Atomic number 110</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Rg">
<xs:annotation>
<xs:documentation>Roentgenium; Atomic number 111</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Cn">
<xs:annotation>
<xs:documentation>Copernicium; Atomic number 112</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Nh">
<xs:annotation>
<xs:documentation>Nihonium; Atomic number 113</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Fl">
<xs:annotation>
<xs:documentation>Flerovium; Atomic number 114</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Mc">
<xs:annotation>
<xs:documentation>Moscovium; Atomic number 115</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Lv">
<xs:annotation>
<xs:documentation>Livermorium; Atomic number 116</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Ts">
<xs:annotation>
<xs:documentation>Tennessine; Atomic number 117</xs:documentation>
</xs:annotation>
</xs:element>
<xs:element minOccurs="0" name="Og">
<xs:annotation>
<xs:documentation>Oganesson; Atomic number 118</xs:documentation>
</xs:annotation>
</xs:element>
</xs:all>
</xs:complexType>
</xs:schema>
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