Structural, Mössbauer spectroscopic and magnetochemical investigations into EuPt5, TmPt5 and TmPt3 synthesized from platinum and gaseous lanthanide
Identifieur interne : 002022 ( Istex/Corpus ); précédent : 002021; suivant : 002023Structural, Mössbauer spectroscopic and magnetochemical investigations into EuPt5, TmPt5 and TmPt3 synthesized from platinum and gaseous lanthanide
Auteurs : M. Sauer ; S. Raetz ; V. Ohm ; M. Merkens ; C. Sauer ; D. Schmitz ; H. Schilder ; H. LuekenSource :
- Journal of Alloys and Compounds [ 0925-8388 ] ; 1997.
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Abstract
Abstract: EuPt5, TmPt5, and TmPt3 were prepared by reaction of the gaseous lanthanides with Pt at 1200, 1300, and 1500°C respectively. Structural investigations established that the former two crystallize in CaCu5-type related superstructures, the details being still under investigation. 151Eu Mössbauer spectroscopy and magnetic susceptibility measurements revealed that EuPt5 is a mixed-valent europium alloy containing both trivalent (Eu[4f6]) and intermediate-valent Eu, the latter as a dynamic mixture of the [4f6] and [4f7] configurations. The magnetochemical analysis of TmPt1 (AuCu1-type structure) on the basis of a crystal field/molecular field model disclosed trivalent Tm[4f12] with a singlet crystal field ground state and the absence of magnetic ordering (for T≥1.7K).
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DOI: 10.1016/S0925-8388(96)02471-1
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Ohm</name><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Merkens, M" sort="Merkens, M" uniqKey="Merkens M" first="M." last="Merkens">M. Merkens</name><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Sauer, C" sort="Sauer, C" uniqKey="Sauer C" first="C." last="Sauer">C. Sauer</name><affiliation><mods:affiliation>Institut für Festkörperforschung, Forschungszentrum Julich GmbH, D-52425 Jülich, Germany</mods:affiliation></affiliation></author><author><name sortKey="Schmitz, D" sort="Schmitz, D" uniqKey="Schmitz D" first="D." last="Schmitz">D. Schmitz</name><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Schilder, H" sort="Schilder, H" uniqKey="Schilder H" first="H." last="Schilder">H. Schilder</name><affiliation><mods:affiliation>Fachbereich Chemieingenieurwesen der Fachhochschule Aachen, Warringer Weg, D-52074 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Lueken, H" sort="Lueken, H" uniqKey="Lueken H" first="H." last="Lueken">H. Lueken</name><affiliation><mods:affiliation>Corresponding author.</mods:affiliation></affiliation><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:91252FCC79AE0134E5B5BEE148E57C35133DD89E</idno><date when="1997" year="1997">1997</date><idno type="doi">10.1016/S0925-8388(96)02471-1</idno><idno type="url">https://api.istex.fr/document/91252FCC79AE0134E5B5BEE148E57C35133DD89E/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">002022</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">002022</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">Structural, Mössbauer spectroscopic and magnetochemical investigations into EuPt5, TmPt5 and TmPt3 synthesized from platinum and gaseous lanthanide</title><author><name sortKey="Sauer, M" sort="Sauer, M" uniqKey="Sauer M" first="M." last="Sauer">M. Sauer</name><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Raetz, S" sort="Raetz, S" uniqKey="Raetz S" first="S." last="Raetz">S. Raetz</name><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Ohm, V" sort="Ohm, V" uniqKey="Ohm V" first="V." last="Ohm">V. Ohm</name><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Merkens, M" sort="Merkens, M" uniqKey="Merkens M" first="M." last="Merkens">M. Merkens</name><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Sauer, C" sort="Sauer, C" uniqKey="Sauer C" first="C." last="Sauer">C. Sauer</name><affiliation><mods:affiliation>Institut für Festkörperforschung, Forschungszentrum Julich GmbH, D-52425 Jülich, Germany</mods:affiliation></affiliation></author><author><name sortKey="Schmitz, D" sort="Schmitz, D" uniqKey="Schmitz D" first="D." last="Schmitz">D. Schmitz</name><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Schilder, H" sort="Schilder, H" uniqKey="Schilder H" first="H." last="Schilder">H. Schilder</name><affiliation><mods:affiliation>Fachbereich Chemieingenieurwesen der Fachhochschule Aachen, Warringer Weg, D-52074 Aachen, Germany</mods:affiliation></affiliation></author><author><name sortKey="Lueken, H" sort="Lueken, H" uniqKey="Lueken H" first="H." last="Lueken">H. Lueken</name><affiliation><mods:affiliation>Corresponding author.</mods:affiliation></affiliation><affiliation><mods:affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Alloys and Compounds</title><title level="j" type="abbrev">JALCOM</title><idno type="ISSN">0925-8388</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1997">1997</date><biblScope unit="volume">246</biblScope><biblScope unit="issue">1–2</biblScope><biblScope unit="page" from="147">147</biblScope><biblScope unit="page" to="154">154</biblScope></imprint><idno type="ISSN">0925-8388</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0925-8388</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Crystal field parameters</term><term>Cubic crystal field</term><term>Electron diffraction</term><term>Ground state</term><term>Intensity data</term><term>Intermediate valence</term><term>Large atoms</term><term>Lattice parameters</term><term>Resonance peaks</term><term>Satellite reflections</term><term>Structure models</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Crystal field parameters</term><term>Cubic crystal field</term><term>Electron diffraction</term><term>Ground state</term><term>Intensity data</term><term>Intermediate valence</term><term>Large atoms</term><term>Lattice parameters</term><term>Resonance peaks</term><term>Satellite reflections</term><term>Structure models</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: EuPt5, TmPt5, and TmPt3 were prepared by reaction of the gaseous lanthanides with Pt at 1200, 1300, and 1500°C respectively. Structural investigations established that the former two crystallize in CaCu5-type related superstructures, the details being still under investigation. 151Eu Mössbauer spectroscopy and magnetic susceptibility measurements revealed that EuPt5 is a mixed-valent europium alloy containing both trivalent (Eu[4f6]) and intermediate-valent Eu, the latter as a dynamic mixture of the [4f6] and [4f7] configurations. The magnetochemical analysis of TmPt1 (AuCu1-type structure) on the basis of a crystal field/molecular field model disclosed trivalent Tm[4f12] with a singlet crystal field ground state and the absence of magnetic ordering (for T≥1.7K).</div></front></TEI><istex><corpusName>elsevier</corpusName><keywords><teeft><json:string>ground state</json:string><json:string>resonance peaks</json:string><json:string>intermediate valence</json:string><json:string>satellite reflections</json:string><json:string>intensity data</json:string><json:string>electron diffraction</json:string><json:string>lattice parameters</json:string><json:string>structure models</json:string><json:string>large atoms</json:string><json:string>cubic crystal field</json:string><json:string>crystal field parameters</json:string></teeft></keywords><author><json:item><name>M. Sauer</name><affiliations><json:string>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</json:string></affiliations></json:item><json:item><name>S. Raetz</name><affiliations><json:string>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</json:string></affiliations></json:item><json:item><name>V. Ohm</name><affiliations><json:string>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</json:string></affiliations></json:item><json:item><name>M. Merkens</name><affiliations><json:string>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</json:string></affiliations></json:item><json:item><name>C. Sauer</name><affiliations><json:string>Institut für Festkörperforschung, Forschungszentrum Julich GmbH, D-52425 Jülich, Germany</json:string></affiliations></json:item><json:item><name>D. Schmitz</name><affiliations><json:string>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</json:string></affiliations></json:item><json:item><name>H. Schilder</name><affiliations><json:string>Fachbereich Chemieingenieurwesen der Fachhochschule Aachen, Warringer Weg, D-52074 Aachen, Germany</json:string></affiliations></json:item><json:item><name>H. Lueken</name><affiliations><json:string>Corresponding author.</json:string><json:string>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Lanthanide platinum alloys</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Mixed-valence</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Magnetic susceptibility</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Mössbauer effect</value></json:item></subject><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>EuPt5, TmPt5, and TmPt3 were prepared by reaction of the gaseous lanthanides with Pt at 1200, 1300, and 1500°C respectively. Structural investigations established that the former two crystallize in CaCu5-type related superstructures, the details being still under investigation. 151Eu Mössbauer spectroscopy and magnetic susceptibility measurements revealed that EuPt5 is a mixed-valent europium alloy containing both trivalent (Eu[4f6]) and intermediate-valent Eu, the latter as a dynamic mixture of the [4f6] and [4f7] configurations. The magnetochemical analysis of TmPt1 (AuCu1-type structure) on the basis of a crystal field/molecular field model disclosed trivalent Tm[4f12] with a singlet crystal field ground state and the absence of magnetic ordering (for T≥1.7K).</abstract><qualityIndicators><score>4.174</score><pdfVersion>1.2</pdfVersion><pdfPageSize>468 x 612 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>4</keywordCount><abstractCharCount>773</abstractCharCount><pdfWordCount>2902</pdfWordCount><pdfCharCount>18797</pdfCharCount><pdfPageCount>8</pdfPageCount><abstractWordCount>106</abstractWordCount></qualityIndicators><title>Structural, Mössbauer spectroscopic and magnetochemical investigations into EuPt5, TmPt5 and TmPt3 synthesized from platinum and gaseous lanthanide</title><pii><json:string>S0925-8388(96)02471-1</json:string></pii><genre><json:string>research-article</json:string></genre><host><title>Journal of Alloys and Compounds</title><language><json:string>unknown</json:string></language><publicationDate>1997</publicationDate><issn><json:string>0925-8388</json:string></issn><pii><json:string>S0925-8388(00)X0037-0</json:string></pii><volume>246</volume><issue>1–2</issue><pages><first>147</first><last>154</last></pages><genre><json:string>journal</json:string></genre></host><categories><wos><json:string>science</json:string><json:string>metallurgy & metallurgical engineering</json:string><json:string>materials science, multidisciplinary</json:string><json:string>chemistry, physical</json:string></wos><scienceMetrix><json:string>applied sciences</json:string><json:string>enabling & strategic technologies</json:string><json:string>materials</json:string></scienceMetrix><inist><json:string>sciences appliquees, technologies et medecines</json:string><json:string>sciences exactes et technologie</json:string><json:string>physique</json:string><json:string>etat condense: structure electronique, proprietes electriques, magnetiques et optiques</json:string></inist></categories><publicationDate>1997</publicationDate><copyrightDate>1997</copyrightDate><doi><json:string>10.1016/S0925-8388(96)02471-1</json:string></doi><id>91252FCC79AE0134E5B5BEE148E57C35133DD89E</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/91252FCC79AE0134E5B5BEE148E57C35133DD89E/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/91252FCC79AE0134E5B5BEE148E57C35133DD89E/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/91252FCC79AE0134E5B5BEE148E57C35133DD89E/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a">Structural, Mössbauer spectroscopic and magnetochemical investigations into EuPt5, TmPt5 and TmPt3 synthesized from platinum and gaseous lanthanide</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>ELSEVIER</p></availability><date>1997</date></publicationStmt><notesStmt><note>Dedicated to Professor Dr. W. Jeitschko on the occasion of his 60th birthday.</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a">Structural, Mössbauer spectroscopic and magnetochemical investigations into EuPt5, TmPt5 and TmPt3 synthesized from platinum and gaseous lanthanide</title><author xml:id="author-0000"><persName><forename type="first">M.</forename><surname>Sauer</surname></persName><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation></author><author xml:id="author-0001"><persName><forename type="first">S.</forename><surname>Raetz</surname></persName><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation></author><author xml:id="author-0002"><persName><forename type="first">V.</forename><surname>Ohm</surname></persName><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation></author><author xml:id="author-0003"><persName><forename type="first">M.</forename><surname>Merkens</surname></persName><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation></author><author xml:id="author-0004"><persName><forename type="first">C.</forename><surname>Sauer</surname></persName><affiliation>Institut für Festkörperforschung, Forschungszentrum Julich GmbH, D-52425 Jülich, Germany</affiliation></author><author xml:id="author-0005"><persName><forename type="first">D.</forename><surname>Schmitz</surname></persName><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation></author><author xml:id="author-0006"><persName><forename type="first">H.</forename><surname>Schilder</surname></persName><affiliation>Fachbereich Chemieingenieurwesen der Fachhochschule Aachen, Warringer Weg, D-52074 Aachen, Germany</affiliation></author><author xml:id="author-0007"><persName><forename type="first">H.</forename><surname>Lueken</surname></persName><affiliation>Corresponding author.</affiliation><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation></author><idno type="istex">91252FCC79AE0134E5B5BEE148E57C35133DD89E</idno><idno type="DOI">10.1016/S0925-8388(96)02471-1</idno><idno type="PII">S0925-8388(96)02471-1</idno></analytic><monogr><title level="j">Journal of Alloys and Compounds</title><title level="j" type="abbrev">JALCOM</title><idno type="pISSN">0925-8388</idno><idno type="PII">S0925-8388(00)X0037-0</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1997"></date><biblScope unit="volume">246</biblScope><biblScope unit="issue">1–2</biblScope><biblScope unit="page" from="147">147</biblScope><biblScope unit="page" to="154">154</biblScope></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1997</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>EuPt5, TmPt5, and TmPt3 were prepared by reaction of the gaseous lanthanides with Pt at 1200, 1300, and 1500°C respectively. Structural investigations established that the former two crystallize in CaCu5-type related superstructures, the details being still under investigation. 151Eu Mössbauer spectroscopy and magnetic susceptibility measurements revealed that EuPt5 is a mixed-valent europium alloy containing both trivalent (Eu[4f6]) and intermediate-valent Eu, the latter as a dynamic mixture of the [4f6] and [4f7] configurations. The magnetochemical analysis of TmPt1 (AuCu1-type structure) on the basis of a crystal field/molecular field model disclosed trivalent Tm[4f12] with a singlet crystal field ground state and the absence of magnetic ordering (for T≥1.7K).</p></abstract><textClass><keywords scheme="keyword"><list><head>Keywords</head><item><term>Lanthanide platinum alloys</term></item><item><term>Mixed-valence</term></item><item><term>Magnetic susceptibility</term></item><item><term>Mössbauer effect</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/91252FCC79AE0134E5B5BEE148E57C35133DD89E/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: 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:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>JALCOM</jid><aid>96024711</aid><ce:pii>S0925-8388(96)02471-1</ce:pii><ce:doi>10.1016/S0925-8388(96)02471-1</ce:doi><ce:copyright type="unknown" year="1997"></ce:copyright></item-info><head><ce:article-footnote><ce:label>☆</ce:label><ce:note-para>Dedicated to Professor Dr. W. Jeitschko on the occasion of his 60th birthday.</ce:note-para></ce:article-footnote><ce:title>Structural, Mössbauer spectroscopic and magnetochemical investigations into EuPt<ce:inf>5</ce:inf>, TmPt<ce:inf>5</ce:inf> and TmPt<ce:inf>3</ce:inf> synthesized from platinum and gaseous lanthanide</ce:title><ce:author-group><ce:author><ce:given-name>M.</ce:given-name><ce:surname>Sauer</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>S.</ce:given-name><ce:surname>Raetz</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>V.</ce:given-name><ce:surname>Ohm</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>M.</ce:given-name><ce:surname>Merkens</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>C.</ce:given-name><ce:surname>Sauer</ce:surname><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>D.</ce:given-name><ce:surname>Schmitz</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>H.</ce:given-name><ce:surname>Schilder</ce:surname><ce:cross-ref refid="AFF3"><ce:sup>c</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>H.</ce:given-name><ce:surname>Lueken</ce:surname><ce:cross-ref refid="COR1"><ce:sup>∗</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>Institut für Festkörperforschung, Forschungszentrum Julich GmbH, D-52425 Jülich, Germany</ce:textfn></ce:affiliation><ce:affiliation id="AFF3"><ce:label>c</ce:label><ce:textfn>Fachbereich Chemieingenieurwesen der Fachhochschule Aachen, Warringer Weg, D-52074 Aachen, Germany</ce:textfn></ce:affiliation><ce:correspondence id="COR1"><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>EuPt<ce:inf>5</ce:inf>, TmPt<ce:inf>5</ce:inf>, and TmPt<ce:inf>3</ce:inf> were prepared by reaction of the gaseous lanthanides with Pt at 1200, 1300, and 1500°C respectively. Structural investigations established that the former two crystallize in CaCu<ce:inf>5</ce:inf>-type related superstructures, the details being still under investigation. <ce:sup loc="pre">151</ce:sup>Eu Mössbauer spectroscopy and magnetic susceptibility measurements revealed that EuPt<ce:inf>5</ce:inf> is a mixed-valent europium alloy containing both trivalent (Eu[4f<ce:sup>6</ce:sup>]) and intermediate-valent Eu, the latter as a dynamic mixture of the [4f<ce:sup>6</ce:sup>] and [4f<ce:sup>7</ce:sup>] configurations. The magnetochemical analysis of TmPt<ce:inf>1</ce:inf> (AuCu<ce:inf>1</ce:inf>-type structure) on the basis of a crystal field/molecular field model disclosed trivalent Tm[4f<ce:sup>12</ce:sup>] with a singlet crystal field ground state and the absence of magnetic ordering (for <ce:italic>T</ce:italic>≥1.7K).</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>Lanthanide platinum alloys</ce:text></ce:keyword><ce:keyword><ce:text>Mixed-valence</ce:text></ce:keyword><ce:keyword><ce:text>Magnetic susceptibility</ce:text></ce:keyword><ce:keyword><ce:text>Mössbauer effect</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Structural, Mössbauer spectroscopic and magnetochemical investigations into EuPt5, TmPt5 and TmPt3 synthesized from platinum and gaseous lanthanide</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Structural, Mössbauer spectroscopic and magnetochemical investigations into EuPt</title></titleInfo><name type="personal"><namePart type="given">M.</namePart><namePart type="family">Sauer</namePart><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.</namePart><namePart type="family">Raetz</namePart><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">V.</namePart><namePart type="family">Ohm</namePart><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">M.</namePart><namePart type="family">Merkens</namePart><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">C.</namePart><namePart type="family">Sauer</namePart><affiliation>Institut für Festkörperforschung, Forschungszentrum Julich GmbH, D-52425 Jülich, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">D.</namePart><namePart type="family">Schmitz</namePart><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">H.</namePart><namePart type="family">Schilder</namePart><affiliation>Fachbereich Chemieingenieurwesen der Fachhochschule Aachen, Warringer Weg, D-52074 Aachen, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">H.</namePart><namePart type="family">Lueken</namePart><affiliation>Corresponding author.</affiliation><affiliation>Institut für Anorganische Chemie der Technischen Hochschule Aachen, Prof._Pirlet-Str. I. D-52056 Aachen, Germany</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: EuPt5, TmPt5, and TmPt3 were prepared by reaction of the gaseous lanthanides with Pt at 1200, 1300, and 1500°C respectively. Structural investigations established that the former two crystallize in CaCu5-type related superstructures, the details being still under investigation. 151Eu Mössbauer spectroscopy and magnetic susceptibility measurements revealed that EuPt5 is a mixed-valent europium alloy containing both trivalent (Eu[4f6]) and intermediate-valent Eu, the latter as a dynamic mixture of the [4f6] and [4f7] configurations. The magnetochemical analysis of TmPt1 (AuCu1-type structure) on the basis of a crystal field/molecular field model disclosed trivalent Tm[4f12] with a singlet crystal field ground state and the absence of magnetic ordering (for T≥1.7K).</abstract><note>Dedicated to Professor Dr. W. Jeitschko on the occasion of his 60th birthday.</note><subject><genre>Keywords</genre><topic>Lanthanide platinum alloys</topic><topic>Mixed-valence</topic><topic>Magnetic susceptibility</topic><topic>Mössbauer effect</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Alloys and Compounds</title></titleInfo><titleInfo type="abbreviated"><title>JALCOM</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">19970115</dateIssued></originInfo><identifier type="ISSN">0925-8388</identifier><identifier type="PII">S0925-8388(00)X0037-0</identifier><part><date>19970115</date><detail type="volume"><number>246</number><caption>vol.</caption></detail><detail type="issue"><number>1–2</number><caption>no.</caption></detail><extent unit="issue-pages"><start>1</start><end>255</end></extent><extent unit="pages"><start>147</start><end>154</end></extent></part></relatedItem><identifier type="istex">91252FCC79AE0134E5B5BEE148E57C35133DD89E</identifier><identifier type="ark">ark:/67375/6H6-X57DFKXF-Z</identifier><identifier type="DOI">10.1016/S0925-8388(96)02471-1</identifier><identifier type="PII">S0925-8388(96)02471-1</identifier><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></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/91252FCC79AE0134E5B5BEE148E57C35133DD89E/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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