Strontium Vacancy Effects upon the Physical Properties in Lacunar Pr0.7Sr0.3—x□xMnO3 Perovskite System
Identifieur interne : 001446 ( Istex/Corpus ); précédent : 001445; suivant : 001447Strontium Vacancy Effects upon the Physical Properties in Lacunar Pr0.7Sr0.3—x□xMnO3 Perovskite System
Auteurs : W. Boujelben ; A. Cheikh-Rouhou ; M. Ellouze ; J. C. JoubertSource :
- physica status solidi (a) [ 0031-8965 ] ; 2000-10.
Abstract
We studied the structural, magnetic and electrical properties of lacunar perovskite‐type manganese oxides Pr0.7Sr0.3—x□xMnO3, where 0 ≤ x ≤ 0.3. With varying x, the powder X‐ray diffraction patterns could index a rhombohedral and an orthorhombic perovskite structure. Magnetization measurements versus temperature show that the samples exhibit a magnetic transition when the temperature decreases. As the A‐site vacancy content increases, the magnetic transition temperature shifts to lower values. Resistivity measurements as a function of temperature show a semiconducting–metallic transition when the temperature decreases for 0 ≤ x ≤ 0.1 and a semiconductor‐like behaviour in the range x ≤ 0.15. The resistivity of the samples increases with x. The sample Pr0.7Sr0.2□0.1MnO3 shows a ferromagnetic insulator behaviour below a spin‐canted ferromagnetic temperature (TFC).
Url:
DOI: 10.1002/1521-396X(200010)181:2<451::AID-PSSA451>3.0.CO;2-0
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With varying x, the powder X‐ray diffraction patterns could index a rhombohedral and an orthorhombic perovskite structure. Magnetization measurements versus temperature show that the samples exhibit a magnetic transition when the temperature decreases. As the A‐site vacancy content increases, the magnetic transition temperature shifts to lower values. Resistivity measurements as a function of temperature show a semiconducting–metallic transition when the temperature decreases for 0 ≤ x ≤ 0.1 and a semiconductor‐like behaviour in the range x ≤ 0.15. The resistivity of the samples increases with x. The sample Pr0.7Sr0.2□0.1MnO3 shows a ferromagnetic insulator behaviour below a spin‐canted ferromagnetic temperature (TFC).</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>W. 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Resistivity measurements as a function of temperature show a semiconducting–metallic transition when the temperature decreases for 0 ≤ x ≤ 0.1 and a semiconductor‐like behaviour in the range x ≤ 0.15. The resistivity of the samples increases with x. 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With varying x, the powder X‐ray diffraction patterns could index a rhombohedral and an orthorhombic perovskite structure. Magnetization measurements versus temperature show that the samples exhibit a magnetic transition when the temperature decreases. As the A‐site vacancy content increases, the magnetic transition temperature shifts to lower values. Resistivity measurements as a function of temperature show a semiconducting–metallic transition when the temperature decreases for 0 ≤ x ≤ 0.1 and a semiconductor‐like behaviour in the range x ≤ 0.15. The resistivity of the samples increases with x. The sample Pr0.7Sr0.2□0.1MnO3 shows a ferromagnetic insulator behaviour below a spin‐canted ferromagnetic temperature (TFC).</p></abstract><textClass><keywords scheme="Journal Subject"><list><head>article-category</head><item><term>Original Paper</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2000-02-22">Received</change><change when="2000-10">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/C67E808A34FDDBC2C772EA47E6C316871A138F81/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>WILEY‐VCH Verlag Berlin GmbH</publisherName><publisherLoc>Berlin</publisherLoc></publisherInfo><doi registered="yes">10.1002/(ISSN)1521-396X</doi><issn type="print">0031-8965</issn><issn type="electronic">1521-396X</issn><idGroup><id type="product" value="PSSA"></id></idGroup><titleGroup><title type="main" xml:lang="en" sort="PHYSICA STATUS SOLIDI A">physica status solidi (a)</title><title type="tocForm">physica status solidi a</title><title type="short">phys. stat. sol. (a)</title></titleGroup></publicationMeta><publicationMeta level="part" position="20"><doi origin="wiley" registered="yes">10.1002/1521-396X(200010)181:2<>1.0.CO;2-T</doi><numberingGroup><numbering type="journalVolume" number="181">181</numbering><numbering type="journalIssue">2</numbering></numberingGroup><coverDate startDate="2000-10">October 2000</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="14" status="forIssue"><doi origin="wiley" registered="yes">10.1002/1521-396X(200010)181:2<451::AID-PSSA451>3.0.CO;2-0</doi><idGroup><id type="unit" value="PSSA451"></id></idGroup><countGroup><count type="pageTotal" number="10"></count></countGroup><titleGroup><title type="articleCategory">Original Paper</title></titleGroup><copyright ownership="publisher">© 2000 WILEY‐VCH Verlag Berlin GmbH, Fed. Rep. of Germany</copyright><eventGroup><event type="manuscriptReceived" date="2000-02-22"></event><event type="manuscriptRevised" date="2000-06-06"></event><event type="firstOnline" date="2000-10-26"></event><event type="publishedOnlineFinalForm" date="2000-10-26"></event><event type="xmlConverted" agent="Converter:JWSART34_TO_WML3G version:2.3.2 mode:FullText source:HeaderRef result:HeaderRef" date="2010-03-01"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-02-07"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-11-03"></event></eventGroup><numberingGroup><numbering type="pageFirst">451</numbering><numbering type="pageLast">460</numbering></numberingGroup><linkGroup><link type="toTypesetVersion" href="file:PSSA.PSSA451.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="12"></count><count type="tableTotal" number="2"></count><count type="referenceTotal" number="29"></count></countGroup><titleGroup><title type="main" xml:lang="en">Strontium Vacancy Effects upon the Physical Properties in Lacunar Pr<sub>0.7</sub>Sr<sub>0.3—x</sub>□<sub>x</sub>MnO<sub>3</sub> Perovskite System</title><title type="short" xml:lang="en">Physical Properties in Lacunar Pr<sub>0.7</sub>Sr<sub>0.3—<i>x</i></sub>□<sub><i>x</i></sub>MnO<sub>3</sub> Perovskite System</title></titleGroup><creators><creator xml:id="au1" creatorRole="author" affiliationRef="#a1"><personName><givenNames>W.</givenNames><familyName>Boujelben</familyName></personName></creator><creator xml:id="au2" creatorRole="author" affiliationRef="#a1"><personName><givenNames>A.</givenNames><familyName>Cheikh‐Rouhou</familyName></personName></creator><creator xml:id="au3" creatorRole="author" affiliationRef="#a1"><personName><givenNames>M.</givenNames><familyName>Ellouze</familyName></personName></creator><creator xml:id="au4" creatorRole="author" affiliationRef="#a2"><personName><givenNames>J.C.</givenNames><familyName>Joubert</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" type="organization"><unparsedAffiliation>Laboratoire de Physique des Matériaux, Faculté des Sciences de Sfax, B.P. 802, 3018 Sfax, Tunisie</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="FR" type="organization"><unparsedAffiliation>Laboratoire des Matériaux et du Génie Physique, ENSPG, CNRS (UMR‐5628), B.P. 46, F‐38402 Saint Martin d'Hères Cedex, France</unparsedAffiliation></affiliation></affiliationGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>We studied the structural, magnetic and electrical properties of lacunar perovskite‐type manganese oxides Pr<sub>0.7</sub>Sr<sub>0.3—<i>x</i></sub>□<sub><i>x</i></sub>MnO<sub>3</sub>, where 0 ≤ <i>x</i> ≤ 0.3. With varying <i>x</i>, the powder X‐ray diffraction patterns could index a rhombohedral and an orthorhombic perovskite structure. Magnetization measurements versus temperature show that the samples exhibit a magnetic transition when the temperature decreases. As the A‐site vacancy content increases, the magnetic transition temperature shifts to lower values. Resistivity measurements as a function of temperature show a semiconducting–metallic transition when the temperature decreases for 0 ≤ <i>x</i> ≤ 0.1 and a semiconductor‐like behaviour in the range <i>x</i> ≤ 0.15. The resistivity of the samples increases with <i>x</i>. The sample Pr<sub>0.7</sub>Sr<sub>0.2</sub>□<sub>0.1</sub>MnO<sub>3</sub> shows a ferromagnetic insulator behaviour below a spin‐canted ferromagnetic temperature (<i>T</i><sub>FC</sub>).</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Strontium Vacancy Effects upon the Physical Properties in Lacunar Pr0.7Sr0.3—x□xMnO3 Perovskite System</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Physical Properties in Lacunar Pr0.7Sr0.3—x□xMnO3 Perovskite System</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Strontium Vacancy Effects upon the Physical Properties in Lacunar Pr0.7Sr0.3—x□xMnO3 Perovskite System</title></titleInfo><name type="personal"><namePart type="given">W.</namePart><namePart type="family">Boujelben</namePart><affiliation>Laboratoire de Physique des Matériaux, Faculté des Sciences de Sfax, B.P. 802, 3018 Sfax, Tunisie</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Cheikh‐Rouhou</namePart><affiliation>Laboratoire de Physique des Matériaux, Faculté des Sciences de Sfax, B.P. 802, 3018 Sfax, Tunisie</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">M.</namePart><namePart type="family">Ellouze</namePart><affiliation>Laboratoire de Physique des Matériaux, Faculté des Sciences de Sfax, B.P. 802, 3018 Sfax, Tunisie</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.C.</namePart><namePart type="family">Joubert</namePart><affiliation>Laboratoire des Matériaux et du Génie Physique, ENSPG, CNRS (UMR‐5628), B.P. 46, F‐38402 Saint Martin d'Hères Cedex, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>WILEY‐VCH Verlag Berlin GmbH</publisher><place><placeTerm type="text">Berlin</placeTerm></place><dateIssued encoding="w3cdtf">2000-10</dateIssued><dateCaptured encoding="w3cdtf">2000-02-22</dateCaptured><copyrightDate encoding="w3cdtf">2000</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">12</extent><extent unit="tables">2</extent><extent unit="references">29</extent></physicalDescription><abstract lang="en">We studied the structural, magnetic and electrical properties of lacunar perovskite‐type manganese oxides Pr0.7Sr0.3—x□xMnO3, where 0 ≤ x ≤ 0.3. With varying x, the powder X‐ray diffraction patterns could index a rhombohedral and an orthorhombic perovskite structure. Magnetization measurements versus temperature show that the samples exhibit a magnetic transition when the temperature decreases. As the A‐site vacancy content increases, the magnetic transition temperature shifts to lower values. Resistivity measurements as a function of temperature show a semiconducting–metallic transition when the temperature decreases for 0 ≤ x ≤ 0.1 and a semiconductor‐like behaviour in the range x ≤ 0.15. The resistivity of the samples increases with x. The sample Pr0.7Sr0.2□0.1MnO3 shows a ferromagnetic insulator behaviour below a spin‐canted ferromagnetic temperature (TFC).</abstract><relatedItem type="host"><titleInfo><title>physica status solidi (a)</title></titleInfo><titleInfo type="abbreviated"><title>phys. stat. sol. (a)</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Original Paper</topic></subject><identifier type="ISSN">0031-8965</identifier><identifier type="eISSN">1521-396X</identifier><identifier type="DOI">10.1002/(ISSN)1521-396X</identifier><identifier type="PublisherID">PSSA</identifier><part><date>2000</date><detail type="volume"><caption>vol.</caption><number>181</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>451</start><end>460</end><total>10</total></extent></part></relatedItem><identifier type="istex">C67E808A34FDDBC2C772EA47E6C316871A138F81</identifier><identifier type="DOI">10.1002/1521-396X(200010)181:2<451::AID-PSSA451>3.0.CO;2-0</identifier><identifier type="ArticleID">PSSA451</identifier><accessCondition type="use and reproduction" contentType="copyright">© 2000 WILEY‐VCH Verlag Berlin GmbH, Fed. 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|étape= Corpus
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|clé= ISTEX:C67E808A34FDDBC2C772EA47E6C316871A138F81
|texte= Strontium Vacancy Effects upon the Physical Properties in Lacunar Pr0.7Sr0.3—x□xMnO3 Perovskite System
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