IndiumV3, Main, Repository, bibRecord, 019D91

Spin glass behavior of amorphous Fe5(InTe4)3

Identifieur interne : 019D91 ( Main/Repository ); précédent : 019D90; suivant : 019D92

Spin glass behavior of amorphous Fe5(InTe4)3

Auteurs : RBID : Pascal:97-0093984

Descripteurs français

Pascal (Inist)
- Indium tellurure, Fer tellurure, Etat amorphe, Conductivité électrique, Susceptibilité magnétique, Aimantation, Transformation phase magnétique, Etat verre spin, Dépendance température, Domaine température 0000-0013 K, Domaine température 0013-0065 K, Domaine température 0065-0273 K, Domaine température 0273-0400 K, 7550K, 7540C, 7560E, Etude expérimentale.

English descriptors

KwdEn :
- Amorphous state, Electric conductivity, Experimental study, Indium tellurides, Iron tellurides, Magnetic susceptibility, Magnetic-phase transformations, Magnetization, Spin glass state, Temperature dependence, Temperature range 0000-0013 K, Temperature range 0013-0065 K, Temperature range 0065-0273 K, Temperature range 0273-0400 K.

Abstract

The amorphous phases of Cr₅(InTe₄)₃ and Fe₅(InTe₄)₃ have been prepared via the precipitation reaction of the Zintl polyanion InTe^-5₄ with Cr³⁺ and Fe³⁺ in aqueous solution, respectively. Their magnetic and conducting properties have been examined as a function of temperature. The high-temperature susceptibility of Cr₅(InTe₄)₃ follows the Curie-Weiss law with θ=-30.2 K and C=1.65 emu/mole Cr atom. Cr₅(InTe₄)₃ has a conductivity of 1.07×10^-3 Ω^-1 cm^-1 at 300 K and is a semiconductor with Ea=0.20 eV. Fe₅(InTe₄)₃ exhibits relatively high conductivity due to partial delocalization of electrons. Its conductivity is 7.41 Ω^-1 cm^-1 at 300 K, and shows little temperature dependence. Fe₅(InTe₄)₃ obeys the Curie-Weiss law at high temperatures with θ=-26.3 K and C=1.60 emu/mole Fe atom, and undergoes a transition to a spin glass state at 6.0 K. The spin glass state has been characterized by an analysis of the field and temperature dependence of the thermal remanent magnetization and isothermal remanent magnetization. The hysteresis loops measured at 2.0 K under field-cooling and zero-field-cooling conditions reveal the presence of a small unidirectional exchange interaction. © 1996 American Institute of Physics.

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Pascal:97-0093984

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(InTe<sub>4</sub>
)<sub>3</sub>
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<author><name sortKey="Zhang, J H" uniqKey="Zhang J">J. H. Zhang</name>
<affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Chemistry, Xavier University of Louisiana, New Orleans, Louisiana 70125</s1>
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<wicri:cityArea>Department of Chemistry, Xavier University of Louisiana, New Orleans</wicri:cityArea>
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<author><name sortKey="Williams, D" uniqKey="Williams D">D. Williams</name>
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<wicri:cityArea>Department of Chemistry, Xavier University of Louisiana, New Orleans</wicri:cityArea>
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</author>
<author><name sortKey="Tao, C" uniqKey="Tao C">C. Tao</name>
<affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Department of Chemistry, Xavier University of Louisiana, New Orleans, Louisiana 70125</s1>
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<author><name sortKey="O Connor, C J" uniqKey="O Connor C">C. J. O Connor</name>
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<date when="1996-04-15">1996-04-15</date>
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<seriesStmt><idno type="ISSN">0021-8979</idno>
<title level="j" type="abbreviated">J. appl. phys.</title>
<title level="j" type="main">Journal of applied physics</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amorphous state</term>
<term>Electric conductivity</term>
<term>Experimental study</term>
<term>Indium tellurides</term>
<term>Iron tellurides</term>
<term>Magnetic susceptibility</term>
<term>Magnetic-phase transformations</term>
<term>Magnetization</term>
<term>Spin glass state</term>
<term>Temperature dependence</term>
<term>Temperature range 0000-0013 K</term>
<term>Temperature range 0013-0065 K</term>
<term>Temperature range 0065-0273 K</term>
<term>Temperature range 0273-0400 K</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Indium tellurure</term>
<term>Fer tellurure</term>
<term>Etat amorphe</term>
<term>Conductivité électrique</term>
<term>Susceptibilité magnétique</term>
<term>Aimantation</term>
<term>Transformation phase magnétique</term>
<term>Etat verre spin</term>
<term>Dépendance température</term>
<term>Domaine température 0000-0013 K</term>
<term>Domaine température 0013-0065 K</term>
<term>Domaine température 0065-0273 K</term>
<term>Domaine température 0273-0400 K</term>
<term>7550K</term>
<term>7540C</term>
<term>7560E</term>
<term>Etude expérimentale</term>
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<front><div type="abstract" xml:lang="en">The amorphous phases of Cr<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 and Fe<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 have been prepared via the precipitation reaction of the Zintl polyanion InTe<sup>-5</sup>
<sub>4</sub>
 with Cr<sup>3+</sup>
 and Fe<sup>3+</sup>
 in aqueous solution, respectively. Their magnetic and conducting properties have been examined as a function of temperature. The high-temperature susceptibility of Cr<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 follows the Curie-Weiss law with θ=-30.2 K and C=1.65 emu/mole Cr atom. Cr<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 has a conductivity of 1.07×10<sup>-3</sup>
 Ω<sup>-1</sup>
 cm<sup>-1</sup>
 at 300 K and is a semiconductor with Ea=0.20 eV. Fe<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 exhibits relatively high conductivity due to partial delocalization of electrons. Its conductivity is 7.41 Ω<sup>-1</sup>
 cm<sup>-1</sup>
 at 300 K, and shows little temperature dependence. Fe<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 obeys the Curie-Weiss law at high temperatures with θ=-26.3 K and C=1.60 emu/mole Fe atom, and undergoes a transition to a spin glass state at 6.0 K. The spin glass state has been characterized by an analysis of the field and temperature dependence of the thermal remanent magnetization and isothermal remanent magnetization. The hysteresis loops measured at 2.0 K under field-cooling and zero-field-cooling conditions reveal the presence of a small unidirectional exchange interaction. © 1996 American Institute of Physics.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Spin glass behavior of amorphous Fe<sub>5</sub>
(InTe<sub>4</sub>
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<fA11 i1="01" i2="1"><s1>ZHANG (J. H.)</s1>
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<fA11 i1="02" i2="1"><s1>WILLIAMS (D.)</s1>
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<fA11 i1="03" i2="1"><s1>TAO (C.)</s1>
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<fA11 i1="04" i2="1"><s1>O'CONNOR (C. J.)</s1>
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<fA14 i1="01"><s1>Department of Chemistry, Xavier University of Louisiana, New Orleans, Louisiana 70125</s1>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<fA14 i1="02"><s1>Department of Chemistry, University of New Orleans, New Orleans, Louisiana 70148</s1>
<sZ>4 aut.</sZ>
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<fA20><s1>6627-6629</s1>
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<fC01 i1="01" l="ENG"><s0>The amorphous phases of Cr<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 and Fe<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 have been prepared via the precipitation reaction of the Zintl polyanion InTe<sup>-5</sup>
<sub>4</sub>
 with Cr<sup>3+</sup>
 and Fe<sup>3+</sup>
 in aqueous solution, respectively. Their magnetic and conducting properties have been examined as a function of temperature. The high-temperature susceptibility of Cr<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 follows the Curie-Weiss law with θ=-30.2 K and C=1.65 emu/mole Cr atom. Cr<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 has a conductivity of 1.07×10<sup>-3</sup>
 Ω<sup>-1</sup>
 cm<sup>-1</sup>
 at 300 K and is a semiconductor with Ea=0.20 eV. Fe<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 exhibits relatively high conductivity due to partial delocalization of electrons. Its conductivity is 7.41 Ω<sup>-1</sup>
 cm<sup>-1</sup>
 at 300 K, and shows little temperature dependence. Fe<sub>5</sub>
(InTe<sub>4</sub>
)<sub>3</sub>
 obeys the Curie-Weiss law at high temperatures with θ=-26.3 K and C=1.60 emu/mole Fe atom, and undergoes a transition to a spin glass state at 6.0 K. The spin glass state has been characterized by an analysis of the field and temperature dependence of the thermal remanent magnetization and isothermal remanent magnetization. The hysteresis loops measured at 2.0 K under field-cooling and zero-field-cooling conditions reveal the presence of a small unidirectional exchange interaction. © 1996 American Institute of Physics.</s0>
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<fC03 i1="03" i2="3" l="FRE"><s0>Etat amorphe</s0>
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<fC03 i1="03" i2="3" l="ENG"><s0>Amorphous state</s0>
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<fC03 i1="04" i2="3" l="FRE"><s0>Conductivité électrique</s0>
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<fC03 i1="04" i2="3" l="ENG"><s0>Electric conductivity</s0>
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<fC03 i1="05" i2="3" l="FRE"><s0>Susceptibilité magnétique</s0>
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<fC03 i1="05" i2="3" l="ENG"><s0>Magnetic susceptibility</s0>
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<fC03 i1="06" i2="3" l="FRE"><s0>Aimantation</s0>
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<fC03 i1="06" i2="3" l="ENG"><s0>Magnetization</s0>
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<fC03 i1="07" i2="3" l="FRE"><s0>Transformation phase magnétique</s0>
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<fC03 i1="08" i2="3" l="FRE"><s0>Etat verre spin</s0>
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<fC03 i1="08" i2="3" l="ENG"><s0>Spin glass state</s0>
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<fC03 i1="09" i2="3" l="FRE"><s0>Dépendance température</s0>
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<fC03 i1="11" i2="3" l="FRE"><s0>Domaine température 0013-0065 K</s0>
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<fC03 i1="12" i2="3" l="FRE"><s0>Domaine température 0065-0273 K</s0>
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<fC03 i1="12" i2="3" l="ENG"><s0>Temperature range 0065-0273 K</s0>
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<fC03 i1="14" i2="3" l="FRE"><s0>7550K</s0>
<s2>PAC</s2>
<s4>INC</s4>
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<s2>PAC</s2>
<s4>INC</s4>
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<fC03 i1="16" i2="3" l="FRE"><s0>7560E</s0>
<s2>PAC</s2>
<s4>INC</s4>
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<fC03 i1="17" i2="3" l="FRE"><s0>Etude expérimentale</s0>
</fC03>
<fC03 i1="17" i2="3" l="ENG"><s0>Experimental study</s0>
</fC03>
<fN21><s1>229</s1>
</fN21>
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</fN47>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>The 40th annual conference on magnetism and magnetic materials</s1>
<s3>Philadelphia, Pennsylvania (USA)</s3>
<s4>1995-11-06/1995-11-09</s4>
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Spin glass behavior of amorphous Fe5(InTe4)3

Spin glass behavior of amorphous Fe5(InTe4)3

Descripteurs français

English descriptors

Abstract

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Links to Exploration step

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