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	<id>https://vasp.at/wiki/index.php?action=history&amp;feed=atom&amp;title=ELPH_PREPARE</id>
	<title>ELPH PREPARE - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://vasp.at/wiki/index.php?action=history&amp;feed=atom&amp;title=ELPH_PREPARE"/>
	<link rel="alternate" type="text/html" href="https://vasp.at/wiki/index.php?title=ELPH_PREPARE&amp;action=history"/>
	<updated>2026-04-14T21:37:41Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.8</generator>
	<entry>
		<id>https://vasp.at/wiki/index.php?title=ELPH_PREPARE&amp;diff=32888&amp;oldid=prev</id>
		<title>Singraber at 08:09, 24 October 2025</title>
		<link rel="alternate" type="text/html" href="https://vasp.at/wiki/index.php?title=ELPH_PREPARE&amp;diff=32888&amp;oldid=prev"/>
		<updated>2025-10-24T08:09:34Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 08:09, 24 October 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot;&gt;Line 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In order to calculate electron-phonon interactions, one must first [[Electron-phonon potential from supercells|perform finite-difference calculations in the supercell]] and generate the {{FILE|phelel_params.hdf5}} file.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;In order to calculate electron-phonon interactions, one must first [[Electron-phonon potential from supercells|perform finite-difference calculations in the supercell]] and generate the {{FILE|phelel_params.hdf5}} file.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;To do this using [https://github.com/phonopy/phelel phelel], it is necessary to provide additional supercell information to phelel.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;To do this using [https://github.com/phonopy/phelel phelel], it is necessary to provide additional supercell information to phelel.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This is accomplished by setting {{&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;TAGO&lt;/del&gt;|ELPH_PREPARE|True}} in each involved supercell calculation.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This is accomplished by setting {{&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;TAG&lt;/ins&gt;|ELPH_PREPARE|True}} in each involved supercell calculation.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Afterwards, phelel can be used to calculate the required derivatives and produce the {{FILE|phelel_params.hdf5}} file.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Afterwards, phelel can be used to calculate the required derivatives and produce the {{FILE|phelel_params.hdf5}} file.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For further information on this workflow, please consult the online documentation of [https://github.com/phonopy/phelel phelel].&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For further information on this workflow, please consult the online documentation of [https://github.com/phonopy/phelel phelel].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Singraber</name></author>
	</entry>
	<entry>
		<id>https://vasp.at/wiki/index.php?title=ELPH_PREPARE&amp;diff=27915&amp;oldid=prev</id>
		<title>Mani: Add availability notice</title>
		<link rel="alternate" type="text/html" href="https://vasp.at/wiki/index.php?title=ELPH_PREPARE&amp;diff=27915&amp;oldid=prev"/>
		<updated>2025-01-17T14:09:33Z</updated>

		<summary type="html">&lt;p&gt;Add availability notice&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 14:09, 17 January 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Description: Writes the potential, the force-constants and other information related to electron-phonon interactions to the {{FILE|vaspout.h5}} file.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Description: Writes the potential, the force-constants and other information related to electron-phonon interactions to the {{FILE|vaspout.h5}} file.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{Available|6.5.0}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;----&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;----&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Mani</name></author>
	</entry>
	<entry>
		<id>https://vasp.at/wiki/index.php?title=ELPH_PREPARE&amp;diff=27786&amp;oldid=prev</id>
		<title>Mani: Create page</title>
		<link rel="alternate" type="text/html" href="https://vasp.at/wiki/index.php?title=ELPH_PREPARE&amp;diff=27786&amp;oldid=prev"/>
		<updated>2024-12-19T16:06:29Z</updated>

		<summary type="html">&lt;p&gt;Create page&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{DISPLAYTITLE:ELPH_PREPARE}}&lt;br /&gt;
{{TAGDEF|ELPH_PREPARE|[logical]|.FALSE.}}&lt;br /&gt;
&lt;br /&gt;
Description: Writes the potential, the force-constants and other information related to electron-phonon interactions to the {{FILE|vaspout.h5}} file.&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
In order to calculate electron-phonon interactions, one must first [[Electron-phonon potential from supercells|perform finite-difference calculations in the supercell]] and generate the {{FILE|phelel_params.hdf5}} file.&lt;br /&gt;
To do this using [https://github.com/phonopy/phelel phelel], it is necessary to provide additional supercell information to phelel.&lt;br /&gt;
This is accomplished by setting {{TAGO|ELPH_PREPARE|True}} in each involved supercell calculation.&lt;br /&gt;
Afterwards, phelel can be used to calculate the required derivatives and produce the {{FILE|phelel_params.hdf5}} file.&lt;br /&gt;
For further information on this workflow, please consult the online documentation of [https://github.com/phonopy/phelel phelel].&lt;br /&gt;
&lt;br /&gt;
==Related tags and articles==&lt;br /&gt;
* [[Electron-phonon potential from supercells]]&lt;br /&gt;
* {{FILE|phelel_params.hdf5}}&lt;br /&gt;
&lt;br /&gt;
[[Category:INCAR tag]][[Category:Electron-phonon_interactions]]&lt;/div&gt;</summary>
		<author><name>Mani</name></author>
	</entry>
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