Magnetic behaviour of some amorphous Er–Co alloys
Identifieur interne : 000A07 ( Istex/Corpus ); précédent : 000A06; suivant : 000A08Magnetic behaviour of some amorphous Er–Co alloys
Auteurs : M. L Soltani ; M. Lahoubi ; G. FillionSource :
- Physica B: Physics of Condensed Matter [ 0921-4526 ] ; 2000.
Abstract
Some amorphous Er–Co alloys, have been studied by examining their normal magnetization curves with both hysteresis major and minor loops. Rayleigh parameters from hysteresis minor loops allowed to describe the low-field behaviour of the magnetization: (i) the increase of χm is in a good agreement with Rayleigh laws but a weak deviation is observed on the thick samples at fields up to 100 Oe, which can be due to magnetostatic effects; (ii) the ratio αHc/χ0 is close to 1 for the thin sample (0.1μm) as predicted by the Néel theory.
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DOI: 10.1016/S0921-4526(99)02579-X
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L Soltani</name><affiliation><mods:affiliation>Institut de Physique, Université d'Annaba, BP 12 El-Hadjar, 23000 Annaba, Algeria</mods:affiliation></affiliation></author><author><name sortKey="Lahoubi, M" sort="Lahoubi, M" uniqKey="Lahoubi M" first="M" last="Lahoubi">M. Lahoubi</name><affiliation><mods:affiliation>Institut de Physique, Université d'Annaba, BP 12 El-Hadjar, 23000 Annaba, Algeria</mods:affiliation></affiliation></author><author><name sortKey="Fillion, G" sort="Fillion, G" uniqKey="Fillion G" first="G" last="Fillion">G. Fillion</name><affiliation><mods:affiliation>Laboratoire Louis Néel, CNRS-UJF, BP 166, 38042 Grenoble Cedex 9, France</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author. Fax: 0033-0476881191</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: fillion@polycnrs-gre.fr</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Physica B: Physics of Condensed Matter</title><title level="j" type="abbrev">PHYSB</title><idno type="ISSN">0921-4526</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="2000">2000</date><biblScope unit="volume">284–288</biblScope><biblScope unit="supplement">P2</biblScope><biblScope unit="page" from="1163">1163</biblScope><biblScope unit="page" to="1164">1164</biblScope></imprint><idno type="ISSN">0921-4526</idno></series><idno type="istex">65FCE67480736C4A259A169C42EA3038E51A680A</idno><idno type="DOI">10.1016/S0921-4526(99)02579-X</idno><idno type="PII">S0921-4526(99)02579-X</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0921-4526</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Some amorphous Er–Co alloys, have been studied by examining their normal magnetization curves with both hysteresis major and minor loops. Rayleigh parameters from hysteresis minor loops allowed to describe the low-field behaviour of the magnetization: (i) the increase of χm is in a good agreement with Rayleigh laws but a weak deviation is observed on the thick samples at fields up to 100 Oe, which can be due to magnetostatic effects; (ii) the ratio αHc/χ0 is close to 1 for the thin sample (0.1μm) as predicted by the Néel theory.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>M.L Soltani</name><affiliations><json:string>Institut de Physique, Université d'Annaba, BP 12 El-Hadjar, 23000 Annaba, Algeria</json:string></affiliations></json:item><json:item><name>M Lahoubi</name><affiliations><json:string>Institut de Physique, Université d'Annaba, BP 12 El-Hadjar, 23000 Annaba, Algeria</json:string></affiliations></json:item><json:item><name>G Fillion</name><affiliations><json:string>Laboratoire Louis Néel, CNRS-UJF, BP 166, 38042 Grenoble Cedex 9, France</json:string><json:string>Corresponding author. Fax: 0033-0476881191</json:string><json:string>E-mail: fillion@polycnrs-gre.fr</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Er–Co amorphous alloys</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Hysteresis loops</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Magnetization process</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Magnetostatic effect</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Rayleigh laws</value></json:item></subject><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>Some amorphous Er–Co alloys, have been studied by examining their normal magnetization curves with both hysteresis major and minor loops. Rayleigh parameters from hysteresis minor loops allowed to describe the low-field behaviour of the magnetization: (i) the increase of χm is in a good agreement with Rayleigh laws but a weak deviation is observed on the thick samples at fields up to 100 Oe, which can be due to magnetostatic effects; (ii) the ratio αHc/χ0 is close to 1 for the thin sample (0.1μm) as predicted by the Néel theory.</abstract><qualityIndicators><score>1.938</score><pdfVersion>1.2</pdfVersion><pdfPageSize>504 x 708 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>5</keywordCount><abstractCharCount>534</abstractCharCount><pdfWordCount>858</pdfWordCount><pdfCharCount>4681</pdfCharCount><pdfPageCount>2</pdfPageCount><abstractWordCount>90</abstractWordCount></qualityIndicators><title>Magnetic behaviour of some amorphous Er–Co alloys</title><pii><json:string>S0921-4526(99)02579-X</json:string></pii><genre><json:string>research-article</json:string></genre><host><volume>284–288</volume><pii><json:string>S0921-4526(00)X0089-0</json:string></pii><pages><last>1164</last><first>1163</first></pages><issn><json:string>0921-4526</json:string></issn><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><title>Physica B: Physics of Condensed Matter</title><publicationDate>2000</publicationDate></host><categories><wos><json:string>PHYSICS, CONDENSED MATTER</json:string></wos></categories><publicationDate>2000</publicationDate><copyrightDate>2000</copyrightDate><doi><json:string>10.1016/S0921-4526(99)02579-X</json:string></doi><id>65FCE67480736C4A259A169C42EA3038E51A680A</id><score>0.07366339</score><fulltext><json:item><original>true</original><mimetype>application/pdf</mimetype><extension>pdf</extension><uri>https://api.istex.fr/document/65FCE67480736C4A259A169C42EA3038E51A680A/fulltext/pdf</uri></json:item><json:item><original>false</original><mimetype>application/zip</mimetype><extension>zip</extension><uri>https://api.istex.fr/document/65FCE67480736C4A259A169C42EA3038E51A680A/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/65FCE67480736C4A259A169C42EA3038E51A680A/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a">Magnetic behaviour of some amorphous Er–Co alloys</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>©2000 Elsevier Science B.V.</p></availability><date>2000</date></publicationStmt><notesStmt><note type="content">Fig. 1: Spontaneous magnetization of sputtered a-ErCo2 at different temperatures: (a) as-cast sample; (b) annealed sample at 500°C.</note><note type="content">Fig. 2: Hysteresis major loops at 4 K in the ±3kOe applied field range of as-cast a-ErCo2 sample and 500°C annealed sample.</note><note type="content">Fig. 3: Plot of Mm versus Hm deduced from hysteresis loops measured on 0.5μm – film in the ±0.15kOe applied field range.</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a">Magnetic behaviour of some amorphous Er–Co alloys</title><author xml:id="author-1"><persName><forename type="first">M.L</forename><surname>Soltani</surname></persName><affiliation>Institut de Physique, Université d'Annaba, BP 12 El-Hadjar, 23000 Annaba, Algeria</affiliation></author><author xml:id="author-2"><persName><forename type="first">M</forename><surname>Lahoubi</surname></persName><affiliation>Institut de Physique, Université d'Annaba, BP 12 El-Hadjar, 23000 Annaba, Algeria</affiliation></author><author xml:id="author-3"><persName><forename type="first">G</forename><surname>Fillion</surname></persName><email>fillion@polycnrs-gre.fr</email><affiliation>Laboratoire Louis Néel, CNRS-UJF, BP 166, 38042 Grenoble Cedex 9, France</affiliation><affiliation>Corresponding author. Fax: 0033-0476881191</affiliation></author></analytic><monogr><title level="j">Physica B: Physics of Condensed Matter</title><title level="j" type="abbrev">PHYSB</title><idno type="pISSN">0921-4526</idno><idno type="PII">S0921-4526(00)X0089-0</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="2000"></date><biblScope unit="volume">284–288</biblScope><biblScope unit="supplement">P2</biblScope><biblScope unit="page" from="1163">1163</biblScope><biblScope unit="page" to="1164">1164</biblScope></imprint></monogr><idno type="istex">65FCE67480736C4A259A169C42EA3038E51A680A</idno><idno type="DOI">10.1016/S0921-4526(99)02579-X</idno><idno type="PII">S0921-4526(99)02579-X</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2000</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Some amorphous Er–Co alloys, have been studied by examining their normal magnetization curves with both hysteresis major and minor loops. Rayleigh parameters from hysteresis minor loops allowed to describe the low-field behaviour of the magnetization: (i) the increase of χm is in a good agreement with Rayleigh laws but a weak deviation is observed on the thick samples at fields up to 100 Oe, which can be due to magnetostatic effects; (ii) the ratio αHc/χ0 is close to 1 for the thin sample (0.1μm) as predicted by the Néel theory.</p></abstract><textClass><keywords scheme="keyword"><list><head>Keywords</head><item><term>Er–Co amorphous alloys</term></item><item><term>Hysteresis loops</term></item><item><term>Magnetization process</term></item><item><term>Magnetostatic effect</term></item><item><term>Rayleigh laws</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2000">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><original>false</original><mimetype>text/plain</mimetype><extension>txt</extension><uri>https://api.istex.fr/document/65FCE67480736C4A259A169C42EA3038E51A680A/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:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>PHYSB</jid><aid>21579</aid><ce:pii>S0921-4526(99)02579-X</ce:pii><ce:doi>10.1016/S0921-4526(99)02579-X</ce:doi><ce:copyright type="full-transfer" year="2000">Elsevier Science B.V.</ce:copyright></item-info><head><ce:title>Magnetic behaviour of some amorphous Er–Co alloys</ce:title><ce:author-group><ce:author><ce:given-name>M.L</ce:given-name><ce:surname>Soltani</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>Lahoubi</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>G</ce:given-name><ce:surname>Fillion</ce:surname><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref><ce:cross-ref refid="CORR1">*</ce:cross-ref><ce:e-address>fillion@polycnrs-gre.fr</ce:e-address></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>Institut de Physique, Université d'Annaba, BP 12 El-Hadjar, 23000 Annaba, Algeria</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>Laboratoire Louis Néel, CNRS-UJF, BP 166, 38042 Grenoble Cedex 9, France</ce:textfn></ce:affiliation><ce:correspondence id="CORR1"><ce:label>*</ce:label><ce:text>Corresponding author. Fax: 0033-0476881191</ce:text></ce:correspondence></ce:author-group><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>Some amorphous Er–Co alloys, have been studied by examining their normal magnetization curves with both hysteresis major and minor loops. Rayleigh parameters from hysteresis minor loops allowed to describe the low-field behaviour of the magnetization: (i) the increase of <ce:italic>χ</ce:italic><ce:inf>m</ce:inf> is in a good agreement with Rayleigh laws but a weak deviation is observed on the thick samples at fields up to 100 Oe, which can be due to magnetostatic effects; (ii) the ratio <ce:italic>αH</ce:italic><ce:inf>c</ce:inf>/<ce:italic>χ</ce:italic><ce:inf>0</ce:inf> is close to 1 for the thin sample <math altimg="si4.gif">(0.1<ce:hsp sp="0.33"></ce:hsp><rm>μm</rm>)</math> as predicted by the Néel theory.</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords class="keyword"><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>Er–Co amorphous alloys</ce:text></ce:keyword><ce:keyword><ce:text>Hysteresis loops</ce:text></ce:keyword><ce:keyword><ce:text>Magnetization process</ce:text></ce:keyword><ce:keyword><ce:text>Magnetostatic effect</ce:text></ce:keyword><ce:keyword><ce:text>Rayleigh laws</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Magnetic behaviour of some amorphous Er–Co alloys</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Magnetic behaviour of some amorphous Er–Co alloys</title></titleInfo><name type="personal"><namePart type="given">M.L</namePart><namePart type="family">Soltani</namePart><affiliation>Institut de Physique, Université d'Annaba, BP 12 El-Hadjar, 23000 Annaba, Algeria</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">M</namePart><namePart type="family">Lahoubi</namePart><affiliation>Institut de Physique, Université d'Annaba, BP 12 El-Hadjar, 23000 Annaba, Algeria</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">G</namePart><namePart type="family">Fillion</namePart><affiliation>Laboratoire Louis Néel, CNRS-UJF, BP 166, 38042 Grenoble Cedex 9, France</affiliation><affiliation>Corresponding author. Fax: 0033-0476881191</affiliation><affiliation>E-mail: fillion@polycnrs-gre.fr</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">2000</dateIssued><copyrightDate encoding="w3cdtf">2000</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">Some amorphous Er–Co alloys, have been studied by examining their normal magnetization curves with both hysteresis major and minor loops. Rayleigh parameters from hysteresis minor loops allowed to describe the low-field behaviour of the magnetization: (i) the increase of χm is in a good agreement with Rayleigh laws but a weak deviation is observed on the thick samples at fields up to 100 Oe, which can be due to magnetostatic effects; (ii) the ratio αHc/χ0 is close to 1 for the thin sample (0.1μm) as predicted by the Néel theory.</abstract><note type="content">Fig. 1: Spontaneous magnetization of sputtered a-ErCo2 at different temperatures: (a) as-cast sample; (b) annealed sample at 500°C.</note><note type="content">Fig. 2: Hysteresis major loops at 4 K in the ±3kOe applied field range of as-cast a-ErCo2 sample and 500°C annealed sample.</note><note type="content">Fig. 3: Plot of Mm versus Hm deduced from hysteresis loops measured on 0.5μm – film in the ±0.15kOe applied field range.</note><subject><genre>Keywords</genre><topic>Er–Co amorphous alloys</topic><topic>Hysteresis loops</topic><topic>Magnetization process</topic><topic>Magnetostatic effect</topic><topic>Rayleigh laws</topic></subject><relatedItem type="host"><titleInfo><title>Physica B: Physics of Condensed Matter</title></titleInfo><titleInfo type="abbreviated"><title>PHYSB</title></titleInfo><genre type="journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">200007</dateIssued></originInfo><identifier type="ISSN">0921-4526</identifier><identifier type="PII">S0921-4526(00)X0089-0</identifier><part><date>200007</date><detail type="volume"><number>284–288</number><caption>vol.</caption></detail><detail type="supplement"><number>P2</number><caption>Suppl.</caption></detail><extent unit="issue pages"><start>1125</start><end>2150</end></extent><extent unit="pages"><start>1163</start><end>1164</end></extent></part></relatedItem><identifier type="istex">65FCE67480736C4A259A169C42EA3038E51A680A</identifier><identifier type="DOI">10.1016/S0921-4526(99)02579-X</identifier><identifier type="PII">S0921-4526(99)02579-X</identifier><accessCondition type="use and reproduction" contentType="copyright">©2000 Elsevier Science B.V.</accessCondition><recordInfo><recordContentSource>ELSEVIER</recordContentSource><recordOrigin>Elsevier Science B.V., ©2000</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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