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lukaspie
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bring in application definition and base classes for new NXxas
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‎contributed_definitions/NXedge.nxdl.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<?xml-stylesheet type="text/xsl" href="nxdlformat.xsl" ?>
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<!--
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# NeXus - Neutron and X-ray Common Data Format
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#
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# Copyright (C) 2008-2022 NeXus International Advisory Committee (NIAC)
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 3 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# For further information, see http://www.nexusformat.org
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-->
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<definition name="NXedge" type="group" extends="NXobject" category="base"
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xmlns="http://definition.nexusformat.org/nxdl/3.1"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://definition.nexusformat.org/nxdl/3.1 ../nxdl.xsd">
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<doc>Absorption edge</doc>
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<field name="name" type="NX_CHAR" minOccurs="1" maxOccurs="1">
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<doc>
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Name of the edge
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</doc>
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<enumeration>
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<item value="K"></item>
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<item value="L1"></item>
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<item value="L2"></item>
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<item value="L3"></item>
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<item value="M1"></item>
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<item value="M2"></item>
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<item value="M3"></item>
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<item value="M4"></item>
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<item value="M5"></item>
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<item value="N1"></item>
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<item value="N2"></item>
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<item value="N3"></item>
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<item value="N4"></item>
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<item value="N5"></item>
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<item value="N6"></item>
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<item value="N7"></item>
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<item value="O1"></item>
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<item value="O2"></item>
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<item value="O3"></item>
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<item value="P1"></item>
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<item value="P2"></item>
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<item value="P3"></item>
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</enumeration>
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</field>
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</definition>

‎contributed_definitions/NXemission_lines.nxdl.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<?xml-stylesheet type="text/xsl" href="nxdlformat.xsl" ?>
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<!--
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# NeXus - Neutron and X-ray Common Data Format
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#
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# Copyright (C) 2008-2022 NeXus International Advisory Committee (NIAC)
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 3 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# For further information, see http://www.nexusformat.org
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-->
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<definition name="NXemission_lines" type="group" extends="NXobject" category="base"
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xmlns="http://definition.nexusformat.org/nxdl/3.1"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://definition.nexusformat.org/nxdl/3.1 ../nxdl.xsd">
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<doc>Emission lines</doc>
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<field name="name" type="NX_CHAR">
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<doc>
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The emission lines are writen using the IUPAC notation, i.e. an
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initial and final edge seprated by a hyphen.
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TODO: Extend the enumeration to include all possible emission lines.
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</doc>
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<enumeration>
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<item value="K-L1"></item>
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<item value="K-L2"></item>
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<item value="K-L3"></item>
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<item value="K-M1"></item>
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<item value="K-M2"></item>
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<item value="K-M3"></item>
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<item value="K-M4"></item>
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<item value="K-M5"></item>
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</enumeration>
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</field>
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</definition>

‎contributed_definitions/NXxas_mode.nxdl.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<?xml-stylesheet type="text/xsl" href="nxdlformat.xsl" ?>
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<!--
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# NeXus - Neutron and X-ray Common Data Format
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#
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# Copyright (C) 2008-2022 NeXus International Advisory Committee (NIAC)
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 3 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# For further information, see http://www.nexusformat.org
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-->
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<definition name="NXxas_mode" type="group" extends="NXobject" category="base"
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xmlns="http://definition.nexusformat.org/nxdl/3.1"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://definition.nexusformat.org/nxdl/3.1 ../nxdl.xsd">
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<doc>XAS measurement mode</doc>
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<field name="name" type="NX_CHAR" minOccurs="1" maxOccurs="1">
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<doc>
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X-ray absorption spectroscopy (XAS) is a technique that measures the absorption coefficient :math:`\mu(E)` of a material as a function of energy.
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The name of the XAS mode indicates the type of process being monitored to obtain the spectrum. Below is a description of the available modes, with emphasis on the expected values for the `intensity` and `monitor` fields.
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1. Transmission
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The absorption coefficient is obtained by measuring the intensity of the incident :math:`I_0` and transmitted beam :math:`I`.
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.. math::
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\mu(E) = -\ln(I/I_0)
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2. Total fluorescence yield (TFY)
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The absorption coefficient is obtained by measuring the intensity of the emitted fluorescence :math:`I_f` and the incident beam :math:`I_0`.
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.. math::
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\mu(E) \propto I_f/I_0
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3. Partial fluorescence yield (PFY)
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4. Inverse partial fluorescence yield (IPFY)
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5. High-energy resolution fluorescence detection (HERFD)
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6. Total electron yield (TEY)
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7. Partial electron yield (PEY)
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8. Electron energy loss (EELS)
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9. X-ray Raman Scattering (XRS)
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10. Diffraction Anomalous Fine Structure (DAFS)
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11. X-ray Excited Optical Luminescence (XEOL)
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12. Grazing Angle Reflection Extended X-ray Absorption Fine Structure (ReflEXAFS)
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13. Other
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</doc>
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<enumeration>
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<item value="transmission">
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<doc>
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Transmission
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</doc>
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</item>
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<item value="tfy">
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<doc>
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Total Fluorescence Yield
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</doc>
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</item>
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<item value="pfy">
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<doc>
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Partial Fluorescence Yield
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</doc>
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</item>
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<item value="ipfy">
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<doc>
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Inverse Partial Fluorescence Yield
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</doc>
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</item>
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<item value="herfd">
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<doc>
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High Energy Resolution Fluorescence Detected
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</doc>
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</item>
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<item value="tey">
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<doc>
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Total Electron Yield
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</doc>
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</item>
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<item value="pey">
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<doc>
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Partial Electron Yield
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</doc>
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</item>
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<item value="eels">
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<doc>
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Electron Energy Loss
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</doc>
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</item>
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<item value="raman">
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<doc>
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X-ray Raman Scattering
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</doc>
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</item>
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<item value="dafs">
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<doc>
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Diffraction Anomalous Fine Structure
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</doc>
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</item>
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<item value="xeol">
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<doc>
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X-ray Excited Optical Luminescence
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</doc>
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</item>
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<item value="reflexafs">
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<doc>
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Grazing Angle Reflection Extended X-ray Absorption Fine Structure
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</doc>
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</item>
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<item value="other">
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<doc>
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Other
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</doc>
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</item>
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</enumeration>
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</field>
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<group name="emission_lines" type="NXemission_lines" optional="true">
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</group>
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</definition>

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