Gigantic increase in the Curie temperature of the R(Co1-xMnx)2 (R: heavy rare earths) systems at small Mn concentrations
Identifieur interne : 001A19 ( Pascal/Curation ); précédent : 001A18; suivant : 001A20Gigantic increase in the Curie temperature of the R(Co1-xMnx)2 (R: heavy rare earths) systems at small Mn concentrations
Auteurs : R. Ballou [France] ; A. S. Markosyan ; I. S. Dubenko ; R. Z. LevitinSource :
- Journal of magnetism and magnetic materials [ 0304-8853 ] ; 1992.
Descripteurs français
- Pascal (Inist)
- Etude expérimentale, Phase Laves, Point Curie, Gadolinium Cobalt Manganèse Alliage, Terbium Cobalt Manganèse Alliage, Dysprosium Cobalt Manganèse Alliage, Holmium Cobalt Manganèse Alliage, Erbium Cobalt Manganèse Alliage, Thulium Cobalt Manganèse Alliage, Ferrimagnétisme, Composition chimique, Aimantation, Basse température, Lanthanide Alliage, Susceptibilité magnétique, Interaction échange.
English descriptors
- KwdEn :
- Chemical composition, Curie temperature, Dysprosium Cobalt Manganese Alloys, Erbium Cobalt Manganese Alloys, Exchange interaction, Experimental study, Ferrimagnetism, Gadolinium Cobalt Manganese Alloys, Holmium Cobalt Manganese Alloys, Lanthanide Alloys, Laves phase, Low temperature, Magnetic susceptibility, Magnetization, Terbium Cobalt Manganese Alloys, Thulium Cobalt Manganese Alloys.
Abstract
Magnetic measurements on the R(Co1-xMnx)2 Laves phase systems with R=Gd, Tb, Dy, Ho, Er, Tm have been performed. A strengthening of the RCo2 ferrimagnetism shows up through a rapid increase at small Mn concentration x of the Curie temperature which reaches a maximum for x around 0.25. The results are interpreted by invoking the sole peculiarities of the d-magnetism keeping the R-R and R-d exchange integrals invariable on x.
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Mn<sub>x</sub>
)<sub>2</sub>
(R: heavy rare earths) systems at small Mn concentrations</title>
<author><name sortKey="Ballou, R" sort="Ballou, R" uniqKey="Ballou R" first="R." last="Ballou">R. Ballou</name>
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<sZ>1 aut., 2 aut.</sZ>
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<author><name sortKey="Markosyan, A S" sort="Markosyan, A S" uniqKey="Markosyan A" first="A. S." last="Markosyan">A. S. Markosyan</name>
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<author><name sortKey="Dubenko, I S" sort="Dubenko, I S" uniqKey="Dubenko I" first="I. S." last="Dubenko">I. S. Dubenko</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Gigantic increase in the Curie temperature of the R(Co<sub>1-x</sub>
Mn<sub>x</sub>
)<sub>2</sub>
(R: heavy rare earths) systems at small Mn concentrations</title>
<author><name sortKey="Ballou, R" sort="Ballou, R" uniqKey="Ballou R" first="R." last="Ballou">R. Ballou</name>
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<author><name sortKey="Markosyan, A S" sort="Markosyan, A S" uniqKey="Markosyan A" first="A. S." last="Markosyan">A. S. Markosyan</name>
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<author><name sortKey="Dubenko, I S" sort="Dubenko, I S" uniqKey="Dubenko I" first="I. S." last="Dubenko">I. S. Dubenko</name>
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<series><title level="j" type="main">Journal of magnetism and magnetic materials</title>
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<term>Exchange interaction</term>
<term>Experimental study</term>
<term>Ferrimagnetism</term>
<term>Gadolinium Cobalt Manganese Alloys</term>
<term>Holmium Cobalt Manganese Alloys</term>
<term>Lanthanide Alloys</term>
<term>Laves phase</term>
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<term>Gadolinium Cobalt Manganèse Alliage</term>
<term>Terbium Cobalt Manganèse Alliage</term>
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<front><div type="abstract" xml:lang="en">Magnetic measurements on the R(Co<sub>1-x</sub>
Mn<sub>x</sub>
)<sub>2</sub>
Laves phase systems with R=Gd, Tb, Dy, Ho, Er, Tm have been performed. A strengthening of the RCo<sub>2</sub>
ferrimagnetism shows up through a rapid increase at small Mn concentration x of the Curie temperature which reaches a maximum for x around 0.25. The results are interpreted by invoking the sole peculiarities of the d-magnetism keeping the R-R and R-d exchange integrals invariable on x.</div>
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Mn<sub>x</sub>
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(R: heavy rare earths) systems at small Mn concentrations</s1>
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<fC01 i1="01" l="ENG"><s0>Magnetic measurements on the R(Co<sub>1-x</sub>
Mn<sub>x</sub>
)<sub>2</sub>
Laves phase systems with R=Gd, Tb, Dy, Ho, Er, Tm have been performed. A strengthening of the RCo<sub>2</sub>
ferrimagnetism shows up through a rapid increase at small Mn concentration x of the Curie temperature which reaches a maximum for x around 0.25. The results are interpreted by invoking the sole peculiarities of the d-magnetism keeping the R-R and R-d exchange integrals invariable on x.</s0>
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<s2>NA</s2>
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<fC03 i1="04" i2="X" l="ENG"><s0>Gadolinium Cobalt Manganese Alloys</s0>
<s2>NC</s2>
<s2>NA</s2>
</fC03>
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<s2>NC</s2>
<s2>NA</s2>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Terbium Cobalt Manganèse Alliage</s0>
<s2>NC</s2>
<s2>NA</s2>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Terbium Cobalt Manganese Alloys</s0>
<s2>NC</s2>
<s2>NA</s2>
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<s2>NC</s2>
<s2>NA</s2>
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<s2>NA</s2>
</fC03>
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<s2>NC</s2>
<s2>NA</s2>
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<s2>NC</s2>
<s2>NA</s2>
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<s2>NA</s2>
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<s2>NC</s2>
<s2>NA</s2>
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<fC03 i1="07" i2="X" l="SPA"><s0>Holmio Cobalto Manganeso Aleación</s0>
<s2>NC</s2>
<s2>NA</s2>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Erbium Cobalt Manganèse Alliage</s0>
<s2>NC</s2>
<s2>NA</s2>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Erbium Cobalt Manganese Alloys</s0>
<s2>NC</s2>
<s2>NA</s2>
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<fC03 i1="08" i2="X" l="SPA"><s0>Erbio Cobalto Manganeso Aleación</s0>
<s2>NC</s2>
<s2>NA</s2>
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<fC03 i1="09" i2="X" l="FRE"><s0>Thulium Cobalt Manganèse Alliage</s0>
<s2>NC</s2>
<s2>NA</s2>
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<s2>NC</s2>
<s2>NA</s2>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Tulio Cobalto Manganeso Aleación</s0>
<s2>NC</s2>
<s2>NA</s2>
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<fC03 i1="10" i2="X" l="SPA"><s0>Ferrimagnetismo</s0>
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<fC03 i1="14" i2="X" l="FRE"><s0>Lanthanide Alliage</s0>
<s2>NC</s2>
<s2>NA</s2>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Lanthanide Alloys</s0>
<s2>NC</s2>
<s2>NA</s2>
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<fC03 i1="14" i2="X" l="SPA"><s0>Lantánido Aleación</s0>
<s2>NC</s2>
<s2>NA</s2>
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<fC03 i1="15" i2="X" l="ENG"><s0>Magnetic susceptibility</s0>
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<fN21><s1>232</s1>
</fN21>
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