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Spin reorientation and crystal field in Tm2Fe17Cx

Identifieur interne : 003491 ( Main/Exploration ); précédent : 003490; suivant : 003492

Spin reorientation and crystal field in Tm2Fe17Cx

Auteurs : T. S. Zhao [Autriche] ; X. C. Kou ; R. Grössinger ; H. R. Kirchmayr

Source :

RBID : Pascal:93-0579174

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English descriptors

Abstract

The spin-reorientation transitions in Tm2Fe17Cx are analyzed in terms of the crystal field and the Tm-Fe exchange interactions. It is deduced that with increasing carbon concentration, the Tm-Fe exchange field decreases slightly, whereas the absolute value of the second-order crystal-field parameter increases dramatically. The carbon concentration and temperature dependence of the magnetic anisotropy of the Tm ions in Tm2Fe17Cx are discussed


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Le document en format XML

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<title xml:lang="en" level="a">Spin reorientation and crystal field in Tm
<sub>2</sub>
Fe
<sub>17</sub>
C
<sub>x</sub>
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<author>
<name sortKey="Zhao, T S" sort="Zhao, T S" uniqKey="Zhao T" first="T. S." last="Zhao">T. S. Zhao</name>
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<s1>Tech. univ. Vienna, inst. exp. physics</s1>
<s2>1040 Vienna</s2>
<s3>AUT</s3>
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<country>Autriche</country>
<placeName>
<region type="land" nuts="2">Vienne (Autriche)</region>
<settlement type="city">Vienne (Autriche)</settlement>
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<name sortKey="Kou, X C" sort="Kou, X C" uniqKey="Kou X" first="X. C." last="Kou">X. C. Kou</name>
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<name sortKey="Grossinger, R" sort="Grossinger, R" uniqKey="Grossinger R" first="R." last="Grössinger">R. Grössinger</name>
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<name sortKey="Kirchmayr, H R" sort="Kirchmayr, H R" uniqKey="Kirchmayr H" first="H. R." last="Kirchmayr">H. R. Kirchmayr</name>
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<title xml:lang="en" level="a">Spin reorientation and crystal field in Tm
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<term>Chemical composition</term>
<term>Crystal field</term>
<term>Exchange interaction</term>
<term>Experimental study</term>
<term>Iron Carbon Thulium Alloys</term>
<term>Magnetic anisotropy</term>
<term>Magnetic susceptibility</term>
<term>Magnetic transition</term>
<term>Spin reorientation</term>
<term>Sublattice</term>
<term>Ternary alloy</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Transition magnétique</term>
<term>Réorientation spin</term>
<term>Champ cristallin</term>
<term>Interaction échange</term>
<term>Susceptibilité magnétique</term>
<term>Composition chimique</term>
<term>Etude expérimentale</term>
<term>Anisotropie magnétique</term>
<term>Sous réseau</term>
<term>Alliage ternaire</term>
<term>Fer Carbone Thulium Alliage</term>
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<front>
<div type="abstract" xml:lang="en">The spin-reorientation transitions in Tm
<sub>2</sub>
Fe
<sub>17</sub>
C
<sub>x</sub>
are analyzed in terms of the crystal field and the Tm-Fe exchange interactions. It is deduced that with increasing carbon concentration, the Tm-Fe exchange field decreases slightly, whereas the absolute value of the second-order crystal-field parameter increases dramatically. The carbon concentration and temperature dependence of the magnetic anisotropy of the Tm ions in Tm
<sub>2</sub>
Fe
<sub>17</sub>
C
<sub>x</sub>
are discussed</div>
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<name sortKey="Zhao, T S" sort="Zhao, T S" uniqKey="Zhao T" first="T. S." last="Zhao">T. S. Zhao</name>
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