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Magnetic study of HfFe6Ge6-type solid solutions TbMn6Ge6-xGax (0.05≤x≤0.60) and TmMn6Ge6-xGax (0.2≤x≤1.0)

Identifieur interne : 000E93 ( Pascal/Corpus ); précédent : 000E92; suivant : 000E94

Magnetic study of HfFe6Ge6-type solid solutions TbMn6Ge6-xGax (0.05≤x≤0.60) and TmMn6Ge6-xGax (0.2≤x≤1.0)

Auteurs : G. Venturini

Source :

RBID : Pascal:01-0056184

Descripteurs français

English descriptors

Abstract

The TbMn6Ge6-xGax (0.05≤x≤0.60) and TmMn6Ge6-xGax (0.2≤x≤1.0) compounds have been studied by magnetization measurements in the temperature range 10-600 K. The TbMn6Ge6-xGax compounds order ferrimagnetically above room temperature (452≥Tc≥438 K). The low Ga content compounds (x≤0.2) display a ferri- to antiferromagnetic transition on cooling (363≥T1≥181 K) and a second Curie point at lower temperature (49≤Ty≤108 K). The high Ga content compounds display ferrimagnetic ordering in their whole ordered range and a spin reorientation transition at low temperature (112≤TSF≤162 K). The TmMn6Ge6-xGax compounds (x≤0.8) order antiferromagnetically above the room temperature (476≥TN≥372 K) and except TmMn6Ge5-8Ga0.2, display a ferrimagnetic ordering at lower temperature (32≤Tc≤250 K). TmMn6GF5Ga is ferrimagnetic in its whole ordered range. The Ga-rich compounds (x≥0.6) display a spin reorientation process around 50 K. All the ferrimagnetic compounds display large anisotropy effects at low temperature. The coercive fields measured for TbMn6Ge5.4Ga0.6 and TmMn6Ge5Ga1 are greater than 25 and 20 kOe, respectively. The evolutions of the magnetic properties and magnetocrystalline anisotropy are discussed.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 0925-8388
A03   1    @0 J. alloys compd.
A05       @2 313
A06       @2 1-2
A08 01  1  ENG  @1 Magnetic study of HfFe6Ge6-type solid solutions TbMn6Ge6-xGax (0.05≤x≤0.60) and TmMn6Ge6-xGax (0.2≤x≤1.0)
A11 01  1    @1 VENTURINI (G.)
A14 01      @1 Laboratoire de Chimie du Solide Minéral, Université Henri Poincaré-Nancy I, associé au CNRS (UMR 7555), B.P. 239 @2 54506 Vandoeuvre les Nancy @3 FRA @Z 1 aut.
A20       @1 26-33
A21       @1 2000
A23 01      @0 ENG
A43 01      @1 INIST @2 1151 @5 354000093754380100
A44       @0 0000 @1 © 2001 INIST-CNRS. All rights reserved.
A45       @0 21 ref.
A47 01  1    @0 01-0056184
A60       @1 P
A61       @0 A
A64 01  1    @0 Journal of alloys and compounds
A66 01      @0 CHE
C01 01    ENG  @0 The TbMn6Ge6-xGax (0.05≤x≤0.60) and TmMn6Ge6-xGax (0.2≤x≤1.0) compounds have been studied by magnetization measurements in the temperature range 10-600 K. The TbMn6Ge6-xGax compounds order ferrimagnetically above room temperature (452≥Tc≥438 K). The low Ga content compounds (x≤0.2) display a ferri- to antiferromagnetic transition on cooling (363≥T1≥181 K) and a second Curie point at lower temperature (49≤Ty≤108 K). The high Ga content compounds display ferrimagnetic ordering in their whole ordered range and a spin reorientation transition at low temperature (112≤TSF≤162 K). The TmMn6Ge6-xGax compounds (x≤0.8) order antiferromagnetically above the room temperature (476≥TN≥372 K) and except TmMn6Ge5-8Ga0.2, display a ferrimagnetic ordering at lower temperature (32≤Tc≤250 K). TmMn6GF5Ga is ferrimagnetic in its whole ordered range. The Ga-rich compounds (x≥0.6) display a spin reorientation process around 50 K. All the ferrimagnetic compounds display large anisotropy effects at low temperature. The coercive fields measured for TbMn6Ge5.4Ga0.6 and TmMn6Ge5Ga1 are greater than 25 and 20 kOe, respectively. The evolutions of the magnetic properties and magnetocrystalline anisotropy are discussed.
C02 01  3    @0 001B70E25
C02 02  3    @0 001B70E60E
C02 03  X    @0 240
C03 01  3  FRE  @0 Aimantation @5 01
C03 01  3  ENG  @0 Magnetization @5 01
C03 02  3  FRE  @0 Ordre magnétique @5 02
C03 02  3  ENG  @0 Magnetic ordering @5 02
C03 03  3  FRE  @0 Ferrimagnétisme @5 03
C03 03  3  ENG  @0 Ferrimagnetism @5 03
C03 04  3  FRE  @0 Antiferromagnétisme @5 04
C03 04  3  ENG  @0 Antiferromagnetism @5 04
C03 05  3  FRE  @0 Dépendance température @5 05
C03 05  3  ENG  @0 Temperature dependence @5 05
C03 06  X  FRE  @0 Réorientation spin @5 06
C03 06  X  ENG  @0 Spin reorientation @5 06
C03 06  X  SPA  @0 Reorientación spin @5 06
C03 07  3  FRE  @0 Hystérésis magnétique @5 07
C03 07  3  ENG  @0 Magnetic hysteresis @5 07
C03 08  3  FRE  @0 Interaction échange @5 09
C03 08  3  ENG  @0 Exchange interactions @5 09
C03 09  X  FRE  @0 Effet composition @5 10
C03 09  X  ENG  @0 Composition effect @5 10
C03 09  X  GER  @0 Konzentrationseinfluss @5 10
C03 09  X  SPA  @0 Efecto composición @5 10
C03 10  3  FRE  @0 Solution solide @5 11
C03 10  3  ENG  @0 Solid solutions @5 11
C03 11  3  FRE  @0 Terbium alliage @5 12
C03 11  3  ENG  @0 Terbium alloys @5 12
C03 12  3  FRE  @0 Manganèse alliage @5 13
C03 12  3  ENG  @0 Manganese alloys @5 13
C03 13  3  FRE  @0 Germanium alliage @5 14
C03 13  3  ENG  @0 Germanium alloys @5 14
C03 14  3  FRE  @0 Gallium alliage @5 15
C03 14  3  ENG  @0 Gallium alloys @5 15
C03 15  3  FRE  @0 Thulium alliage @5 16
C03 15  3  ENG  @0 Thulium alloys @5 16
C03 16  3  FRE  @0 Alliage quaternaire @5 17
C03 16  3  ENG  @0 Quaternary alloys @5 17
C03 17  3  FRE  @0 Etude expérimentale @5 18
C03 17  3  ENG  @0 Experimental study @5 18
C03 18  3  FRE  @0 Alliage GaGeMnTb @2 NK @4 INC @5 52
C03 19  3  FRE  @0 Ga Ge Mn Tb @4 INC @5 53
C03 20  3  FRE  @0 Alliage GaGeMnTm @2 NK @4 INC @5 54
C03 21  3  FRE  @0 Ga Ge Mn Tm @4 INC @5 55
C03 22  3  FRE  @0 7525 @2 PAC @4 INC @5 56
C03 23  3  FRE  @0 7560E @2 PAC @4 INC @5 57
C07 01  3  FRE  @0 Lanthanide alliage @5 48
C07 01  3  ENG  @0 Rare earth alloys @5 48
C07 02  3  FRE  @0 Métal transition alliage @5 49
C07 02  3  ENG  @0 Transition element alloys @5 49
N21       @1 036

Format Inist (serveur)

NO : PASCAL 01-0056184 INIST
ET : Magnetic study of HfFe6Ge6-type solid solutions TbMn6Ge6-xGax (0.05≤x≤0.60) and TmMn6Ge6-xGax (0.2≤x≤1.0)
AU : VENTURINI (G.)
AF : Laboratoire de Chimie du Solide Minéral, Université Henri Poincaré-Nancy I, associé au CNRS (UMR 7555), B.P. 239/54506 Vandoeuvre les Nancy/France (1 aut.)
DT : Publication en série; Niveau analytique
SO : Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2000; Vol. 313; No. 1-2; Pp. 26-33; Bibl. 21 ref.
LA : Anglais
EA : The TbMn6Ge6-xGax (0.05≤x≤0.60) and TmMn6Ge6-xGax (0.2≤x≤1.0) compounds have been studied by magnetization measurements in the temperature range 10-600 K. The TbMn6Ge6-xGa x compounds order ferrimagnetically above room temperature (452≥Tc≥438 K). The low Ga content compounds (x≤0.2) display a ferri- to antiferromagnetic transition on cooling (363≥T1≥181 K) and a second Curie point at lower temperature (49≤Ty≤108 K). The high Ga content compounds display ferrimagnetic ordering in their whole ordered range and a spin reorientation transition at low temperature (112≤TSF≤162 K). The TmMn6Ge6-xGax compounds (x≤0.8) order antiferromagnetically above the room temperature (476≥TN≥372 K) and except TmMn6Ge5-8Ga 0.2, display a ferrimagnetic ordering at lower temperature (32≤Tc≤250 K). TmMn6GF5Ga is ferrimagnetic in its whole ordered range. The Ga-rich compounds (x≥0.6) display a spin reorientation process around 50 K. All the ferrimagnetic compounds display large anisotropy effects at low temperature. The coercive fields measured for TbMn6Ge5.4Ga0.6 and TmMn6Ge5Ga1 are greater than 25 and 20 kOe, respectively. The evolutions of the magnetic properties and magnetocrystalline anisotropy are discussed.
CC : 001B70E25; 001B70E60E; 240
FD : Aimantation; Ordre magnétique; Ferrimagnétisme; Antiferromagnétisme; Dépendance température; Réorientation spin; Hystérésis magnétique; Interaction échange; Effet composition; Solution solide; Terbium alliage; Manganèse alliage; Germanium alliage; Gallium alliage; Thulium alliage; Alliage quaternaire; Etude expérimentale; Alliage GaGeMnTb; Ga Ge Mn Tb; Alliage GaGeMnTm; Ga Ge Mn Tm; 7525; 7560E
FG : Lanthanide alliage; Métal transition alliage
ED : Magnetization; Magnetic ordering; Ferrimagnetism; Antiferromagnetism; Temperature dependence; Spin reorientation; Magnetic hysteresis; Exchange interactions; Composition effect; Solid solutions; Terbium alloys; Manganese alloys; Germanium alloys; Gallium alloys; Thulium alloys; Quaternary alloys; Experimental study
EG : Rare earth alloys; Transition element alloys
GD : Konzentrationseinfluss
SD : Reorientación spin; Efecto composición
LO : INIST-1151.354000093754380100
ID : 01-0056184

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Pascal:01-0056184

Le document en format XML

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<title xml:lang="en" level="a">Magnetic study of HfFe
<sub>6</sub>
Ge
<sub>6</sub>
-type solid solutions TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.05≤x≤0.60) and TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.2≤x≤1.0)</title>
<author>
<name sortKey="Venturini, G" sort="Venturini, G" uniqKey="Venturini G" first="G." last="Venturini">G. Venturini</name>
<affiliation>
<inist:fA14 i1="01">
<s1>Laboratoire de Chimie du Solide Minéral, Université Henri Poincaré-Nancy I, associé au CNRS (UMR 7555), B.P. 239</s1>
<s2>54506 Vandoeuvre les Nancy</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
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</affiliation>
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<idno type="stanalyst">PASCAL 01-0056184 INIST</idno>
<idno type="RBID">Pascal:01-0056184</idno>
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<title xml:lang="en" level="a">Magnetic study of HfFe
<sub>6</sub>
Ge
<sub>6</sub>
-type solid solutions TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.05≤x≤0.60) and TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.2≤x≤1.0)</title>
<author>
<name sortKey="Venturini, G" sort="Venturini, G" uniqKey="Venturini G" first="G." last="Venturini">G. Venturini</name>
<affiliation>
<inist:fA14 i1="01">
<s1>Laboratoire de Chimie du Solide Minéral, Université Henri Poincaré-Nancy I, associé au CNRS (UMR 7555), B.P. 239</s1>
<s2>54506 Vandoeuvre les Nancy</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
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<title level="j" type="main">Journal of alloys and compounds</title>
<title level="j" type="abbreviated">J. alloys compd.</title>
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<title level="j" type="main">Journal of alloys and compounds</title>
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<idno type="ISSN">0925-8388</idno>
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<term>Antiferromagnetism</term>
<term>Composition effect</term>
<term>Exchange interactions</term>
<term>Experimental study</term>
<term>Ferrimagnetism</term>
<term>Gallium alloys</term>
<term>Germanium alloys</term>
<term>Magnetic hysteresis</term>
<term>Magnetic ordering</term>
<term>Magnetization</term>
<term>Manganese alloys</term>
<term>Quaternary alloys</term>
<term>Solid solutions</term>
<term>Spin reorientation</term>
<term>Temperature dependence</term>
<term>Terbium alloys</term>
<term>Thulium alloys</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Aimantation</term>
<term>Ordre magnétique</term>
<term>Ferrimagnétisme</term>
<term>Antiferromagnétisme</term>
<term>Dépendance température</term>
<term>Réorientation spin</term>
<term>Hystérésis magnétique</term>
<term>Interaction échange</term>
<term>Effet composition</term>
<term>Solution solide</term>
<term>Terbium alliage</term>
<term>Manganèse alliage</term>
<term>Germanium alliage</term>
<term>Gallium alliage</term>
<term>Thulium alliage</term>
<term>Alliage quaternaire</term>
<term>Etude expérimentale</term>
<term>Alliage GaGeMnTb</term>
<term>Ga Ge Mn Tb</term>
<term>Alliage GaGeMnTm</term>
<term>Ga Ge Mn Tm</term>
<term>7525</term>
<term>7560E</term>
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<front>
<div type="abstract" xml:lang="en">The TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.05≤x≤0.60) and TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.2≤x≤1.0) compounds have been studied by magnetization measurements in the temperature range 10-600 K. The TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
compounds order ferrimagnetically above room temperature (452≥T
<sub>c</sub>
≥438 K). The low Ga content compounds (x≤0.2) display a ferri- to antiferromagnetic transition on cooling (363≥T
<sub>1</sub>
≥181 K) and a second Curie point at lower temperature (49≤T
<sub>y</sub>
≤108 K). The high Ga content compounds display ferrimagnetic ordering in their whole ordered range and a spin reorientation transition at low temperature (112≤T
<sub>SF</sub>
≤162 K). The TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
compounds (x≤0.8) order antiferromagnetically above the room temperature (476≥TN≥372 K) and except TmMn
<sub>6</sub>
Ge
<sub>5-8</sub>
Ga
<sub>0.2</sub>
, display a ferrimagnetic ordering at lower temperature (32≤T
<sub>c</sub>
≤250 K). TmMn
<sub>6</sub>
GF
<sub>5</sub>
Ga is ferrimagnetic in its whole ordered range. The Ga-rich compounds (x≥0.6) display a spin reorientation process around 50 K. All the ferrimagnetic compounds display large anisotropy effects at low temperature. The coercive fields measured for TbMn
<sub>6</sub>
Ge
<sub>5.</sub>
4Ga
<sub>0.6</sub>
and TmMn
<sub>6</sub>
Ge
<sub>5</sub>
Ga
<sub>1</sub>
are greater than 25 and 20 kOe, respectively. The evolutions of the magnetic properties and magnetocrystalline anisotropy are discussed.</div>
</front>
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<s1>Magnetic study of HfFe
<sub>6</sub>
Ge
<sub>6</sub>
-type solid solutions TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.05≤x≤0.60) and TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.2≤x≤1.0)</s1>
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<s1>VENTURINI (G.)</s1>
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<s1>Laboratoire de Chimie du Solide Minéral, Université Henri Poincaré-Nancy I, associé au CNRS (UMR 7555), B.P. 239</s1>
<s2>54506 Vandoeuvre les Nancy</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
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<fC01 i1="01" l="ENG">
<s0>The TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.05≤x≤0.60) and TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.2≤x≤1.0) compounds have been studied by magnetization measurements in the temperature range 10-600 K. The TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
compounds order ferrimagnetically above room temperature (452≥T
<sub>c</sub>
≥438 K). The low Ga content compounds (x≤0.2) display a ferri- to antiferromagnetic transition on cooling (363≥T
<sub>1</sub>
≥181 K) and a second Curie point at lower temperature (49≤T
<sub>y</sub>
≤108 K). The high Ga content compounds display ferrimagnetic ordering in their whole ordered range and a spin reorientation transition at low temperature (112≤T
<sub>SF</sub>
≤162 K). The TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
compounds (x≤0.8) order antiferromagnetically above the room temperature (476≥TN≥372 K) and except TmMn
<sub>6</sub>
Ge
<sub>5-8</sub>
Ga
<sub>0.2</sub>
, display a ferrimagnetic ordering at lower temperature (32≤T
<sub>c</sub>
≤250 K). TmMn
<sub>6</sub>
GF
<sub>5</sub>
Ga is ferrimagnetic in its whole ordered range. The Ga-rich compounds (x≥0.6) display a spin reorientation process around 50 K. All the ferrimagnetic compounds display large anisotropy effects at low temperature. The coercive fields measured for TbMn
<sub>6</sub>
Ge
<sub>5.</sub>
4Ga
<sub>0.6</sub>
and TmMn
<sub>6</sub>
Ge
<sub>5</sub>
Ga
<sub>1</sub>
are greater than 25 and 20 kOe, respectively. The evolutions of the magnetic properties and magnetocrystalline anisotropy are discussed.</s0>
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<fC03 i1="01" i2="3" l="FRE">
<s0>Aimantation</s0>
<s5>01</s5>
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<fC03 i1="01" i2="3" l="ENG">
<s0>Magnetization</s0>
<s5>01</s5>
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<s0>Ordre magnétique</s0>
<s5>02</s5>
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<s0>Magnetic ordering</s0>
<s5>02</s5>
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<fC03 i1="03" i2="3" l="FRE">
<s0>Ferrimagnétisme</s0>
<s5>03</s5>
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<fC03 i1="03" i2="3" l="ENG">
<s0>Ferrimagnetism</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE">
<s0>Antiferromagnétisme</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG">
<s0>Antiferromagnetism</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE">
<s0>Dépendance température</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG">
<s0>Temperature dependence</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE">
<s0>Réorientation spin</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG">
<s0>Spin reorientation</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA">
<s0>Reorientación spin</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE">
<s0>Hystérésis magnétique</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG">
<s0>Magnetic hysteresis</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE">
<s0>Interaction échange</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG">
<s0>Exchange interactions</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE">
<s0>Effet composition</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG">
<s0>Composition effect</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="GER">
<s0>Konzentrationseinfluss</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA">
<s0>Efecto composición</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE">
<s0>Solution solide</s0>
<s5>11</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG">
<s0>Solid solutions</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE">
<s0>Terbium alliage</s0>
<s5>12</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG">
<s0>Terbium alloys</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="3" l="FRE">
<s0>Manganèse alliage</s0>
<s5>13</s5>
</fC03>
<fC03 i1="12" i2="3" l="ENG">
<s0>Manganese alloys</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="3" l="FRE">
<s0>Germanium alliage</s0>
<s5>14</s5>
</fC03>
<fC03 i1="13" i2="3" l="ENG">
<s0>Germanium alloys</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="3" l="FRE">
<s0>Gallium alliage</s0>
<s5>15</s5>
</fC03>
<fC03 i1="14" i2="3" l="ENG">
<s0>Gallium alloys</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="3" l="FRE">
<s0>Thulium alliage</s0>
<s5>16</s5>
</fC03>
<fC03 i1="15" i2="3" l="ENG">
<s0>Thulium alloys</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="3" l="FRE">
<s0>Alliage quaternaire</s0>
<s5>17</s5>
</fC03>
<fC03 i1="16" i2="3" l="ENG">
<s0>Quaternary alloys</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE">
<s0>Etude expérimentale</s0>
<s5>18</s5>
</fC03>
<fC03 i1="17" i2="3" l="ENG">
<s0>Experimental study</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE">
<s0>Alliage GaGeMnTb</s0>
<s2>NK</s2>
<s4>INC</s4>
<s5>52</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE">
<s0>Ga Ge Mn Tb</s0>
<s4>INC</s4>
<s5>53</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE">
<s0>Alliage GaGeMnTm</s0>
<s2>NK</s2>
<s4>INC</s4>
<s5>54</s5>
</fC03>
<fC03 i1="21" i2="3" l="FRE">
<s0>Ga Ge Mn Tm</s0>
<s4>INC</s4>
<s5>55</s5>
</fC03>
<fC03 i1="22" i2="3" l="FRE">
<s0>7525</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="23" i2="3" l="FRE">
<s0>7560E</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>57</s5>
</fC03>
<fC07 i1="01" i2="3" l="FRE">
<s0>Lanthanide alliage</s0>
<s5>48</s5>
</fC07>
<fC07 i1="01" i2="3" l="ENG">
<s0>Rare earth alloys</s0>
<s5>48</s5>
</fC07>
<fC07 i1="02" i2="3" l="FRE">
<s0>Métal transition alliage</s0>
<s5>49</s5>
</fC07>
<fC07 i1="02" i2="3" l="ENG">
<s0>Transition element alloys</s0>
<s5>49</s5>
</fC07>
<fN21>
<s1>036</s1>
</fN21>
</pA>
</standard>
<server>
<NO>PASCAL 01-0056184 INIST</NO>
<ET>Magnetic study of HfFe
<sub>6</sub>
Ge
<sub>6</sub>
-type solid solutions TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.05≤x≤0.60) and TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.2≤x≤1.0)</ET>
<AU>VENTURINI (G.)</AU>
<AF>Laboratoire de Chimie du Solide Minéral, Université Henri Poincaré-Nancy I, associé au CNRS (UMR 7555), B.P. 239/54506 Vandoeuvre les Nancy/France (1 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2000; Vol. 313; No. 1-2; Pp. 26-33; Bibl. 21 ref.</SO>
<LA>Anglais</LA>
<EA>The TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.05≤x≤0.60) and TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
(0.2≤x≤1.0) compounds have been studied by magnetization measurements in the temperature range 10-600 K. The TbMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub> x</sub>
compounds order ferrimagnetically above room temperature (452≥T
<sub>c</sub>
≥438 K). The low Ga content compounds (x≤0.2) display a ferri- to antiferromagnetic transition on cooling (363≥T
<sub>1</sub>
≥181 K) and a second Curie point at lower temperature (49≤T
<sub>y</sub>
≤108 K). The high Ga content compounds display ferrimagnetic ordering in their whole ordered range and a spin reorientation transition at low temperature (112≤T
<sub>SF</sub>
≤162 K). The TmMn
<sub>6</sub>
Ge
<sub>6-x</sub>
Ga
<sub>x</sub>
compounds (x≤0.8) order antiferromagnetically above the room temperature (476≥TN≥372 K) and except TmMn
<sub>6</sub>
Ge
<sub>5-8</sub>
Ga
<sub> 0.2</sub>
, display a ferrimagnetic ordering at lower temperature (32≤T
<sub>c</sub>
≤250 K). TmMn
<sub>6</sub>
GF
<sub>5</sub>
Ga is ferrimagnetic in its whole ordered range. The Ga-rich compounds (x≥0.6) display a spin reorientation process around 50 K. All the ferrimagnetic compounds display large anisotropy effects at low temperature. The coercive fields measured for TbMn
<sub>6</sub>
Ge
<sub>5.</sub>
4Ga
<sub>0.6</sub>
and TmMn
<sub>6</sub>
Ge
<sub>5</sub>
Ga
<sub>1</sub>
are greater than 25 and 20 kOe, respectively. The evolutions of the magnetic properties and magnetocrystalline anisotropy are discussed.</EA>
<CC>001B70E25; 001B70E60E; 240</CC>
<FD>Aimantation; Ordre magnétique; Ferrimagnétisme; Antiferromagnétisme; Dépendance température; Réorientation spin; Hystérésis magnétique; Interaction échange; Effet composition; Solution solide; Terbium alliage; Manganèse alliage; Germanium alliage; Gallium alliage; Thulium alliage; Alliage quaternaire; Etude expérimentale; Alliage GaGeMnTb; Ga Ge Mn Tb; Alliage GaGeMnTm; Ga Ge Mn Tm; 7525; 7560E</FD>
<FG>Lanthanide alliage; Métal transition alliage</FG>
<ED>Magnetization; Magnetic ordering; Ferrimagnetism; Antiferromagnetism; Temperature dependence; Spin reorientation; Magnetic hysteresis; Exchange interactions; Composition effect; Solid solutions; Terbium alloys; Manganese alloys; Germanium alloys; Gallium alloys; Thulium alloys; Quaternary alloys; Experimental study</ED>
<EG>Rare earth alloys; Transition element alloys</EG>
<GD>Konzentrationseinfluss</GD>
<SD>Reorientación spin; Efecto composición</SD>
<LO>INIST-1151.354000093754380100</LO>
<ID>01-0056184</ID>
</server>
</inist>
</record>

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