Fe L 2,3 linear and circular magnetic dichroism of Fe3O4
Identifieur interne : 002369 ( Istex/Corpus ); précédent : 002368; suivant : 002370Fe L 2,3 linear and circular magnetic dichroism of Fe3O4
Auteurs : P. Kuiper ; B. G Searle ; L.-C Duda ; R. M Wolf ; P. J Van Der ZaagSource :
- Journal of Electron Spectroscopy and Related Phenomena [ 0368-2048 ] ; 1997.
English descriptors
- KwdEn :
- Absorption spectra, Additional information, Atomic calculation, Beam line, Chemical shift, Circular dichroism, Dichroism, Dominant peak, Electron spectroscopy, Experimental data, Experimental results, Ferrite, Ground state, Iron atoms, Kuiper, Linear dichroism, Lower energy, Negative peaks, Normal incidence, Octahedral, Octahedral site, Octahedral sites, Optical spectroscopy, Other ferrites, Phys, Small changes, Spectrum, Tetrahedral, Tetrahedral site, Tetrahedral sites, Tetrahedral symmetry, Theoretical spectra, Transition metal.
- Teeft :
- Absorption spectra, Additional information, Atomic calculation, Beam line, Chemical shift, Circular dichroism, Dichroism, Dominant peak, Electron spectroscopy, Experimental data, Experimental results, Ferrite, Ground state, Iron atoms, Kuiper, Linear dichroism, Lower energy, Negative peaks, Normal incidence, Octahedral, Octahedral site, Octahedral sites, Optical spectroscopy, Other ferrites, Phys, Small changes, Spectrum, Tetrahedral, Tetrahedral site, Tetrahedral sites, Tetrahedral symmetry, Theoretical spectra, Transition metal.
Abstract
Abstract: Measurements of circular and linear magnetic dichroism at the Fe 2p edges of Fe3O4 are presented. The dichroism results from the ferrimagnetic ordering of Fe d5 and d6 ions in octahedral and tetrahedral sites. Atomic calculations taking into account the different crystal fields have been fitted to all L-edge spectra of this compound. A chemical shift of 1.5 eV between the dominant L3 peak of the octahedral Fe2+ and Fe3+ ions gives the best fit of linear and circular dichroism. We investigate whether these parameters can be transferred to predict the Fe 2p dichroism in other ferrites.
Url:
DOI: 10.1016/S0368-2048(97)00053-4
Links to Exploration step
ISTEX:A00AB1CA9BFE93B30C4DE86A1EC45F6E46A31319Le document en format XML
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G Searle</name><affiliation><mods:affiliation>Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand</mods:affiliation></affiliation></author><author><name sortKey="Duda, L C" sort="Duda, L C" uniqKey="Duda L" first="L.-C" last="Duda">L.-C Duda</name><affiliation><mods:affiliation>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</mods:affiliation></affiliation></author><author><name sortKey="Wolf, R M" sort="Wolf, R M" uniqKey="Wolf R" first="R. M" last="Wolf">R. M Wolf</name><affiliation><mods:affiliation>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</mods:affiliation></affiliation></author><author><name sortKey="Van Der Zaag, P J" sort="Van Der Zaag, P J" uniqKey="Van Der Zaag P" first="P. J" last="Van Der Zaag">P. 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Kuiper</name><affiliation><mods:affiliation>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author.</mods:affiliation></affiliation></author><author><name sortKey="Searle, B G" sort="Searle, B G" uniqKey="Searle B" first="B. G" last="Searle">B. G Searle</name><affiliation><mods:affiliation>Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand</mods:affiliation></affiliation></author><author><name sortKey="Duda, L C" sort="Duda, L C" uniqKey="Duda L" first="L.-C" last="Duda">L.-C Duda</name><affiliation><mods:affiliation>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</mods:affiliation></affiliation></author><author><name sortKey="Wolf, R M" sort="Wolf, R M" uniqKey="Wolf R" first="R. M" last="Wolf">R. M Wolf</name><affiliation><mods:affiliation>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</mods:affiliation></affiliation></author><author><name sortKey="Van Der Zaag, P J" sort="Van Der Zaag, P J" uniqKey="Van Der Zaag P" first="P. J" last="Van Der Zaag">P. J Van Der Zaag</name><affiliation><mods:affiliation>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Electron Spectroscopy and Related Phenomena</title><title level="j" type="abbrev">ELSPEC</title><idno type="ISSN">0368-2048</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1997">1997</date><biblScope unit="volume">86</biblScope><biblScope unit="issue">1–3</biblScope><biblScope unit="page" from="107">107</biblScope><biblScope unit="page" to="113">113</biblScope></imprint><idno type="ISSN">0368-2048</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0368-2048</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption spectra</term><term>Additional information</term><term>Atomic calculation</term><term>Beam line</term><term>Chemical shift</term><term>Circular dichroism</term><term>Dichroism</term><term>Dominant peak</term><term>Electron spectroscopy</term><term>Experimental data</term><term>Experimental results</term><term>Ferrite</term><term>Ground state</term><term>Iron atoms</term><term>Kuiper</term><term>Linear dichroism</term><term>Lower energy</term><term>Negative peaks</term><term>Normal incidence</term><term>Octahedral</term><term>Octahedral site</term><term>Octahedral sites</term><term>Optical spectroscopy</term><term>Other ferrites</term><term>Phys</term><term>Small changes</term><term>Spectrum</term><term>Tetrahedral</term><term>Tetrahedral site</term><term>Tetrahedral sites</term><term>Tetrahedral symmetry</term><term>Theoretical spectra</term><term>Transition metal</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Absorption spectra</term><term>Additional information</term><term>Atomic calculation</term><term>Beam line</term><term>Chemical shift</term><term>Circular dichroism</term><term>Dichroism</term><term>Dominant peak</term><term>Electron spectroscopy</term><term>Experimental data</term><term>Experimental results</term><term>Ferrite</term><term>Ground state</term><term>Iron atoms</term><term>Kuiper</term><term>Linear dichroism</term><term>Lower energy</term><term>Negative peaks</term><term>Normal incidence</term><term>Octahedral</term><term>Octahedral site</term><term>Octahedral sites</term><term>Optical spectroscopy</term><term>Other ferrites</term><term>Phys</term><term>Small changes</term><term>Spectrum</term><term>Tetrahedral</term><term>Tetrahedral site</term><term>Tetrahedral sites</term><term>Tetrahedral symmetry</term><term>Theoretical spectra</term><term>Transition metal</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Measurements of circular and linear magnetic dichroism at the Fe 2p edges of Fe3O4 are presented. The dichroism results from the ferrimagnetic ordering of Fe d5 and d6 ions in octahedral and tetrahedral sites. Atomic calculations taking into account the different crystal fields have been fitted to all L-edge spectra of this compound. A chemical shift of 1.5 eV between the dominant L3 peak of the octahedral Fe2+ and Fe3+ ions gives the best fit of linear and circular dichroism. We investigate whether these parameters can be transferred to predict the Fe 2p dichroism in other ferrites.</div></front></TEI><istex><corpusName>elsevier</corpusName><keywords><teeft><json:string>octahedral</json:string><json:string>dichroism</json:string><json:string>tetrahedral</json:string><json:string>phys</json:string><json:string>kuiper</json:string><json:string>electron spectroscopy</json:string><json:string>ferrite</json:string><json:string>circular dichroism</json:string><json:string>chemical shift</json:string><json:string>linear dichroism</json:string><json:string>absorption spectra</json:string><json:string>tetrahedral sites</json:string><json:string>octahedral sites</json:string><json:string>octahedral site</json:string><json:string>tetrahedral site</json:string><json:string>other ferrites</json:string><json:string>iron atoms</json:string><json:string>transition metal</json:string><json:string>experimental data</json:string><json:string>beam line</json:string><json:string>dominant peak</json:string><json:string>atomic calculation</json:string><json:string>tetrahedral symmetry</json:string><json:string>experimental results</json:string><json:string>small changes</json:string><json:string>ground state</json:string><json:string>additional information</json:string><json:string>lower energy</json:string><json:string>negative peaks</json:string><json:string>theoretical spectra</json:string><json:string>optical spectroscopy</json:string><json:string>normal incidence</json:string><json:string>spectrum</json:string></teeft></keywords><author><json:item><name>P Kuiper</name><affiliations><json:string>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</json:string><json:string>Corresponding author.</json:string></affiliations></json:item><json:item><name>B.G Searle</name><affiliations><json:string>Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand</json:string></affiliations></json:item><json:item><name>L.-C Duda</name><affiliations><json:string>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</json:string></affiliations></json:item><json:item><name>R.M Wolf</name><affiliations><json:string>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</json:string></affiliations></json:item><json:item><name>P.J van der Zaag</name><affiliations><json:string>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>X-ray magnetic dichroism</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Linear dichroism</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Ferrites</value></json:item></subject><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>Measurements of circular and linear magnetic dichroism at the Fe 2p edges of Fe3O4 are presented. The dichroism results from the ferrimagnetic ordering of Fe d5 and d6 ions in octahedral and tetrahedral sites. Atomic calculations taking into account the different crystal fields have been fitted to all L-edge spectra of this compound. A chemical shift of 1.5 eV between the dominant L3 peak of the octahedral Fe2+ and Fe3+ ions gives the best fit of linear and circular dichroism. We investigate whether these parameters can be transferred to predict the Fe 2p dichroism in other ferrites.</abstract><qualityIndicators><score>4.172</score><pdfVersion>1.1</pdfVersion><pdfPageSize>545 x 743 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>3</keywordCount><abstractCharCount>590</abstractCharCount><pdfWordCount>3008</pdfWordCount><pdfCharCount>16355</pdfCharCount><pdfPageCount>7</pdfPageCount><abstractWordCount>97</abstractWordCount></qualityIndicators><title>Fe L 2,3 linear and circular magnetic dichroism of Fe3O4</title><pii><json:string>S0368-2048(97)00053-4</json:string></pii><genre><json:string>research-article</json:string></genre><host><title>Journal of Electron Spectroscopy and Related Phenomena</title><language><json:string>unknown</json:string></language><publicationDate>1997</publicationDate><issn><json:string>0368-2048</json:string></issn><pii><json:string>S0368-2048(00)X0025-4</json:string></pii><volume>86</volume><issue>1–3</issue><pages><first>107</first><last>113</last></pages><genre><json:string>journal</json:string></genre></host><categories><wos><json:string>science</json:string><json:string>spectroscopy</json:string></wos><scienceMetrix><json:string>natural sciences</json:string><json:string>physics & astronomy</json:string><json:string>chemical physics</json:string></scienceMetrix><inist><json:string>sciences appliquees, technologies et medecines</json:string><json:string>sciences exactes et technologie</json:string><json:string>chimie</json:string><json:string>chimie analytique</json:string></inist></categories><publicationDate>1997</publicationDate><copyrightDate>1997</copyrightDate><doi><json:string>10.1016/S0368-2048(97)00053-4</json:string></doi><id>A00AB1CA9BFE93B30C4DE86A1EC45F6E46A31319</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/A00AB1CA9BFE93B30C4DE86A1EC45F6E46A31319/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/A00AB1CA9BFE93B30C4DE86A1EC45F6E46A31319/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/A00AB1CA9BFE93B30C4DE86A1EC45F6E46A31319/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a">Fe L 2,3 linear and circular magnetic dichroism of Fe3O4</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>©1997 Elsevier Science B.V.</p></availability><date>1997</date></publicationStmt><notesStmt><note type="content">Fig. 1: Electron yield absorption spectra of Fe3O4 for circularly and linearly polarized light for different magnetization directions.</note><note type="content">Fig. 2: Stick diagrams for circularly polarized light of the three different iron sites. The resulting MCD spectra are shown as lines. In the bottom traces, the sum of energy-shifted calculated spectra is compared with the experimental MCD spectrum.</note><note type="content">Fig. 3: Calculations for linearly polarized light compared to the experimental results. The curves giving the sum of Td and Oh d5 sites give the results expected for linear dichroism in CoFe2O4.</note><note type="content">Fig. 4: Calculations for circular dichroism expected in CoFe2O4 and Li0.5Fe2.5O4, using parameters obtained from Fe3O4.</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a">Fe L 2,3 linear and circular magnetic dichroism of Fe3O4</title><author xml:id="author-0000"><persName><forename type="first">P</forename><surname>Kuiper</surname></persName><affiliation>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</affiliation><affiliation>Corresponding author.</affiliation></author><author xml:id="author-0001"><persName><forename type="first">B.G</forename><surname>Searle</surname></persName><affiliation>Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand</affiliation></author><author xml:id="author-0002"><persName><forename type="first">L.-C</forename><surname>Duda</surname></persName><affiliation>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</affiliation></author><author xml:id="author-0003"><persName><forename type="first">R.M</forename><surname>Wolf</surname></persName><affiliation>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</affiliation></author><author xml:id="author-0004"><persName><forename type="first">P.J</forename><surname>van der Zaag</surname></persName><affiliation>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</affiliation></author><idno type="istex">A00AB1CA9BFE93B30C4DE86A1EC45F6E46A31319</idno><idno type="DOI">10.1016/S0368-2048(97)00053-4</idno><idno type="PII">S0368-2048(97)00053-4</idno></analytic><monogr><title level="j">Journal of Electron Spectroscopy and Related Phenomena</title><title level="j" type="abbrev">ELSPEC</title><idno type="pISSN">0368-2048</idno><idno type="PII">S0368-2048(00)X0025-4</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1997"></date><biblScope unit="volume">86</biblScope><biblScope unit="issue">1–3</biblScope><biblScope unit="page" from="107">107</biblScope><biblScope unit="page" to="113">113</biblScope></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1997</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Measurements of circular and linear magnetic dichroism at the Fe 2p edges of Fe3O4 are presented. The dichroism results from the ferrimagnetic ordering of Fe d5 and d6 ions in octahedral and tetrahedral sites. Atomic calculations taking into account the different crystal fields have been fitted to all L-edge spectra of this compound. A chemical shift of 1.5 eV between the dominant L3 peak of the octahedral Fe2+ and Fe3+ ions gives the best fit of linear and circular dichroism. We investigate whether these parameters can be transferred to predict the Fe 2p dichroism in other ferrites.</p></abstract><textClass><keywords scheme="keyword"><list><head>Keywords</head><item><term>X-ray magnetic dichroism</term></item><item><term>Linear dichroism</term></item><item><term>Ferrites</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1997">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/A00AB1CA9BFE93B30C4DE86A1EC45F6E46A31319/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: ce:floats; body; tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"><istex:entity SYSTEM="gr1" NDATA="IMAGE" name="gr1"></istex:entity><istex:entity SYSTEM="gr2" NDATA="IMAGE" name="gr2"></istex:entity><istex:entity SYSTEM="gr3" NDATA="IMAGE" name="gr3"></istex:entity><istex:entity SYSTEM="gr4" NDATA="IMAGE" name="gr4"></istex:entity></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>ELSPEC</jid><aid>3152</aid><ce:pii>S0368-2048(97)00053-4</ce:pii><ce:doi>10.1016/S0368-2048(97)00053-4</ce:doi><ce:copyright year="1997" type="full-transfer">Elsevier Science B.V.</ce:copyright></item-info><head><ce:title>Fe <ce:italic>L</ce:italic><ce:inf>2,3</ce:inf> linear and circular magnetic dichroism of Fe<ce:inf>3</ce:inf>O<ce:inf>4</ce:inf></ce:title><ce:author-group><ce:author><ce:given-name>P</ce:given-name><ce:surname>Kuiper</ce:surname><ce:cross-ref refid="AFF1">a</ce:cross-ref><ce:cross-ref refid="CORR1">*</ce:cross-ref></ce:author><ce:author><ce:given-name>B.G</ce:given-name><ce:surname>Searle</ce:surname><ce:cross-ref refid="AFF2">b</ce:cross-ref></ce:author><ce:author><ce:given-name>L.-C</ce:given-name><ce:surname>Duda</ce:surname><ce:cross-ref refid="AFF1">a</ce:cross-ref></ce:author><ce:author><ce:given-name>R.M</ce:given-name><ce:surname>Wolf</ce:surname><ce:cross-ref refid="AFF3">c</ce:cross-ref></ce:author><ce:author><ce:given-name>P.J</ce:given-name><ce:surname>van der Zaag</ce:surname><ce:cross-ref refid="AFF3">c</ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand</ce:textfn></ce:affiliation><ce:affiliation id="AFF3"><ce:label>c</ce:label><ce:textfn>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</ce:textfn></ce:affiliation><ce:correspondence id="CORR1"><ce:label>*</ce:label><ce:text>Corresponding author.</ce:text></ce:correspondence></ce:author-group><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>Measurements of circular and linear magnetic dichroism at the Fe 2p edges of Fe<ce:inf>3</ce:inf>O<ce:inf>4</ce:inf> are presented. The dichroism results from the ferrimagnetic ordering of Fe d<ce:sup>5</ce:sup> and d<ce:sup>6</ce:sup> ions in octahedral and tetrahedral sites. Atomic calculations taking into account the different crystal fields have been fitted to all <ce:italic>L</ce:italic>-edge spectra of this compound. A chemical shift of 1.5 eV between the dominant <ce:italic>L</ce:italic><ce:inf>3</ce:inf> peak of the octahedral Fe<ce:sup>2+</ce:sup> and Fe<ce:sup>3+</ce:sup> ions gives the best fit of linear and circular dichroism. We investigate whether these parameters can be transferred to predict the Fe 2p dichroism in other ferrites.</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords class="keyword"><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>X-ray magnetic dichroism</ce:text></ce:keyword><ce:keyword><ce:text>Linear dichroism</ce:text></ce:keyword><ce:keyword><ce:text>Ferrites</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Fe L 2,3 linear and circular magnetic dichroism of Fe3O4</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Fe</title></titleInfo><name type="personal"><namePart type="given">P</namePart><namePart type="family">Kuiper</namePart><affiliation>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</affiliation><affiliation>Corresponding author.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">B.G</namePart><namePart type="family">Searle</namePart><affiliation>Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">L.-C</namePart><namePart type="family">Duda</namePart><affiliation>Department of Physics, Uppsala University, Box 530, S-751 21 Uppsala, Sweden</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">R.M</namePart><namePart type="family">Wolf</namePart><affiliation>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">P.J</namePart><namePart type="family">van der Zaag</namePart><affiliation>Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-1JC4F85T-7">research-article</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1997</dateIssued><copyrightDate encoding="w3cdtf">1997</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><abstract lang="en">Abstract: Measurements of circular and linear magnetic dichroism at the Fe 2p edges of Fe3O4 are presented. The dichroism results from the ferrimagnetic ordering of Fe d5 and d6 ions in octahedral and tetrahedral sites. Atomic calculations taking into account the different crystal fields have been fitted to all L-edge spectra of this compound. A chemical shift of 1.5 eV between the dominant L3 peak of the octahedral Fe2+ and Fe3+ ions gives the best fit of linear and circular dichroism. We investigate whether these parameters can be transferred to predict the Fe 2p dichroism in other ferrites.</abstract><note type="content">Fig. 1: Electron yield absorption spectra of Fe3O4 for circularly and linearly polarized light for different magnetization directions.</note><note type="content">Fig. 2: Stick diagrams for circularly polarized light of the three different iron sites. The resulting MCD spectra are shown as lines. In the bottom traces, the sum of energy-shifted calculated spectra is compared with the experimental MCD spectrum.</note><note type="content">Fig. 3: Calculations for linearly polarized light compared to the experimental results. The curves giving the sum of Td and Oh d5 sites give the results expected for linear dichroism in CoFe2O4.</note><note type="content">Fig. 4: Calculations for circular dichroism expected in CoFe2O4 and Li0.5Fe2.5O4, using parameters obtained from Fe3O4.</note><subject><genre>Keywords</genre><topic>X-ray magnetic dichroism</topic><topic>Linear dichroism</topic><topic>Ferrites</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Electron Spectroscopy and Related Phenomena</title></titleInfo><titleInfo type="abbreviated"><title>ELSPEC</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">19970801</dateIssued></originInfo><identifier type="ISSN">0368-2048</identifier><identifier type="PII">S0368-2048(00)X0025-4</identifier><part><date>19970801</date><detail type="volume"><number>86</number><caption>vol.</caption></detail><detail type="issue"><number>1–3</number><caption>no.</caption></detail><extent unit="issue-pages"><start>1</start><end>214</end></extent><extent unit="pages"><start>107</start><end>113</end></extent></part></relatedItem><identifier type="istex">A00AB1CA9BFE93B30C4DE86A1EC45F6E46A31319</identifier><identifier type="ark">ark:/67375/6H6-08DBJF8W-H</identifier><identifier type="DOI">10.1016/S0368-2048(97)00053-4</identifier><identifier type="PII">S0368-2048(97)00053-4</identifier><accessCondition type="use and reproduction" contentType="copyright">©1997 Elsevier Science B.V.</accessCondition><recordInfo><recordContentSource authority="ISTEX" authorityURI="https://loaded-corpus.data.istex.fr" valueURI="https://loaded-corpus.data.istex.fr/ark:/67375/XBH-HKKZVM7B-M">elsevier</recordContentSource><recordOrigin>Elsevier Science B.V., ©1997</recordOrigin></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/A00AB1CA9BFE93B30C4DE86A1EC45F6E46A31319/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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