ThuliumV1, Pascal, Corpus, bibRecord, 001225

Ferromagnetic Mixed-Valence and Kondo-Lattice State in TmTe at High Pressure

Identifieur interne : 001225 ( Pascal/Corpus ); précédent : 001224; suivant : 001226

Ferromagnetic Mixed-Valence and Kondo-Lattice State in TmTe at High Pressure

Auteurs : P. Link ; I. N. Goncharenko ; J. M. Mignot ; T. Matsumura ; T. Suzuki

Source :

Physical review letters [ 0031-9007 ] ; 1998-01-05.

RBID : Pascal:98-0179835

Descripteurs français

Pascal (Inist)
- 7530M, 7130, 7530E, 7550P, Etude expérimentale, Thulium tellurure, Effet Kondo, Valence, Diffraction neutron, Dépendance pression, Très haute pression, Transformation phase, Interaction échange, Moment magnétique, Point Curie.

English descriptors

KwdEn :
- Curie point, Exchange interactions, Experimental study, Kondo effect, Magnetic moments, Neutron diffraction, Phase transformations, Pressure dependence, Thulium tellurides, Valence, Very high pressure.

Abstract

Neutron diffraction experiments on TmTe at pressures up to 7 GPa are reported. The semiconductor-to-metal transition occurring above 2 GPa in this compound is accompanied by the appearance of strong ferromagnetic exchange interactions producing a Curie temperature as high as 14 K. This behavior is characteristic for the incipient mixed-valence regime just above the transition pressure and traced back to the release of a small concentration of free charge carriers in the material. The steep decrease of both the Curie temperature and the ordered magnetic moment occurring at higher pressures emphasizes the role of Kondo fluctuations, and raises the interesting possibility that a quantum transition to a nonmagnetic ground state of mixed-valence Tm might take place around 6 GPa.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0031-9007`
A02	`01`			`@0 PRLTAO`
A03		`1`		`@0 Phys. rev. lett.`
A05				`@2 80`
A06				`@2 1`
A08	`01`	`1`	`ENG`	`@1 Ferromagnetic Mixed-Valence and Kondo-Lattice State in TmTe at High Pressure`
A11	`01`	`1`		`@1 LINK (P.)`
A11	`02`	`1`		`@1 GONCHARENKO (I. N.)`
A11	`03`	`1`		`@1 MIGNOT (J. M.)`
A11	`04`	`1`		`@1 MATSUMURA (T.)`
A11	`05`	`1`		`@1 SUZUKI (T.)`
A14	`01`			`@1 Laboratoire Leon Brillouin, CEA-CNRS, CEA-Saclay, 91191 Gif sur Yvette, France @Z 0 aut.`
A14	`02`			`@1 Russian Research Center Kurchatov Institut, 123182 Moscow, Russia @Z 0 aut.`
A14	`03`			`@1 Department of Physics, Tohoku University, Sendai 980-77, Japan @Z 0 aut.`
A20				`@1 173-176`
A21				`@1 1998-01-05`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 8895`
A44				`@0 8100 @1 © 1998 American Institute of Physics. All rights reserved.`
A47	`01`	`1`		`@0 98-0179835`
A60				`@1 P`
A61				`@0 A`
A64		`1`		`@0 Physical review letters`
A66	`01`			`@0 USA`
C01	`01`		`ENG`	@0 Neutron diffraction experiments on TmTe at pressures up to 7 GPa are reported. The semiconductor-to-metal transition occurring above 2 GPa in this compound is accompanied by the appearance of strong ferromagnetic exchange interactions producing a Curie temperature as high as 14 K. This behavior is characteristic for the incipient mixed-valence regime just above the transition pressure and traced back to the release of a small concentration of free charge carriers in the material. The steep decrease of both the Curie temperature and the ordered magnetic moment occurring at higher pressures emphasizes the role of Kondo fluctuations, and raises the interesting possibility that a quantum transition to a nonmagnetic ground state of mixed-valence Tm might take place around 6 GPa.
C02	`01`	`3`		`@0 001B70E30M`
C02	`02`	`3`		`@0 001B70A30`
C02	`03`	`3`		`@0 001B70E30E`
C02	`04`	`3`		`@0 001B70E50P`
C03	`01`	`3`	`FRE`	`@0 7530M @2 PAC @4 INC`
C03	`02`	`3`	`FRE`	`@0 7130 @2 PAC @4 INC`
C03	`03`	`3`	`FRE`	`@0 7530E @2 PAC @4 INC`
C03	`04`	`3`	`FRE`	`@0 7550P @2 PAC @4 INC`
C03	`05`	`3`	`FRE`	`@0 Etude expérimentale`
C03	`05`	`3`	`ENG`	`@0 Experimental study`
C03	`06`	`3`	`FRE`	`@0 Thulium tellurure @2 NK`
C03	`06`	`3`	`ENG`	`@0 Thulium tellurides @2 NK`
C03	`07`	`3`	`FRE`	`@0 Effet Kondo`
C03	`07`	`3`	`ENG`	`@0 Kondo effect`
C03	`08`	`3`	`FRE`	`@0 Valence`
C03	`08`	`3`	`ENG`	`@0 Valence`
C03	`09`	`3`	`FRE`	`@0 Diffraction neutron`
C03	`09`	`3`	`ENG`	`@0 Neutron diffraction`
C03	`10`	`3`	`FRE`	`@0 Dépendance pression`
C03	`10`	`3`	`ENG`	`@0 Pressure dependence`
C03	`11`	`3`	`FRE`	`@0 Très haute pression`
C03	`11`	`3`	`ENG`	`@0 Very high pressure`
C03	`12`	`3`	`FRE`	`@0 Transformation phase`
C03	`12`	`3`	`ENG`	`@0 Phase transformations`
C03	`13`	`3`	`FRE`	`@0 Interaction échange`
C03	`13`	`3`	`ENG`	`@0 Exchange interactions`
C03	`14`	`3`	`FRE`	`@0 Moment magnétique`
C03	`14`	`3`	`ENG`	`@0 Magnetic moments`
C03	`15`	`3`	`FRE`	`@0 Point Curie`
C03	`15`	`3`	`ENG`	`@0 Curie point`
N21				`@1 117`
N47	`01`	`1`		`@0 9801M001758`

Format Inist (serveur)

NO :	PASCAL 98-0179835 AIP
ET :	Ferromagnetic Mixed-Valence and Kondo-Lattice State in TmTe at High Pressure
AU :	LINK (P.); GONCHARENKO (I. N.); MIGNOT (J. M.); MATSUMURA (T.); SUZUKI (T.)
AF :	Laboratoire Leon Brillouin, CEA-CNRS, CEA-Saclay, 91191 Gif sur Yvette, France (0 aut.); Russian Research Center Kurchatov Institut, 123182 Moscow, Russia (0 aut.); Department of Physics, Tohoku University, Sendai 980-77, Japan (0 aut.)
DT :	Publication en série; Niveau analytique
SO :	Physical review letters; ISSN 0031-9007; Coden PRLTAO; Etats-Unis; Da. 1998-01-05; Vol. 80; No. 1; Pp. 173-176
LA :	Anglais
EA :	Neutron diffraction experiments on TmTe at pressures up to 7 GPa are reported. The semiconductor-to-metal transition occurring above 2 GPa in this compound is accompanied by the appearance of strong ferromagnetic exchange interactions producing a Curie temperature as high as 14 K. This behavior is characteristic for the incipient mixed-valence regime just above the transition pressure and traced back to the release of a small concentration of free charge carriers in the material. The steep decrease of both the Curie temperature and the ordered magnetic moment occurring at higher pressures emphasizes the role of Kondo fluctuations, and raises the interesting possibility that a quantum transition to a nonmagnetic ground state of mixed-valence Tm might take place around 6 GPa.
CC :	001B70E30M; 001B70A30; 001B70E30E; 001B70E50P
FD :	7530M; 7130; 7530E; 7550P; Etude expérimentale; Thulium tellurure; Effet Kondo; Valence; Diffraction neutron; Dépendance pression; Très haute pression; Transformation phase; Interaction échange; Moment magnétique; Point Curie
ED :	Experimental study; Thulium tellurides; Kondo effect; Valence; Neutron diffraction; Pressure dependence; Very high pressure; Phase transformations; Exchange interactions; Magnetic moments; Curie point
LO :	INIST-8895
ID :	98-0179835

Links to Exploration step

Pascal:98-0179835

Le document en format XML

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<front><div type="abstract" xml:lang="en">Neutron diffraction experiments on TmTe at pressures up to 7  GPa are reported. The semiconductor-to-metal transition occurring above 2  GPa in this compound is accompanied by the appearance of strong ferromagnetic exchange interactions producing a Curie temperature as high as 14  K. This behavior is characteristic for the incipient mixed-valence regime just above the transition pressure and traced back to the release of a small concentration of free charge carriers in the material. The steep decrease of both the Curie temperature and the ordered magnetic moment occurring at higher pressures emphasizes the role of Kondo fluctuations, and raises the interesting possibility that a quantum transition to a nonmagnetic ground state of mixed-valence Tm might take place around 6  GPa.</div>
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<ET>Ferromagnetic Mixed-Valence and Kondo-Lattice State in TmTe at High Pressure</ET>
<AU>LINK (P.); GONCHARENKO (I. N.); MIGNOT (J. M.); MATSUMURA (T.); SUZUKI (T.)</AU>
<AF>Laboratoire Leon Brillouin, CEA-CNRS, CEA-Saclay, 91191 Gif sur Yvette, France (0 aut.); Russian Research Center  Kurchatov Institut,  123182 Moscow, Russia (0 aut.); Department of Physics, Tohoku University, Sendai 980-77, Japan (0 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
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<LA>Anglais</LA>
<EA>Neutron diffraction experiments on TmTe at pressures up to 7  GPa are reported. The semiconductor-to-metal transition occurring above 2  GPa in this compound is accompanied by the appearance of strong ferromagnetic exchange interactions producing a Curie temperature as high as 14  K. This behavior is characteristic for the incipient mixed-valence regime just above the transition pressure and traced back to the release of a small concentration of free charge carriers in the material. The steep decrease of both the Curie temperature and the ordered magnetic moment occurring at higher pressures emphasizes the role of Kondo fluctuations, and raises the interesting possibility that a quantum transition to a nonmagnetic ground state of mixed-valence Tm might take place around 6  GPa.</EA>
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Ferromagnetic Mixed-Valence and Kondo-Lattice State in TmTe at High Pressure

Ferromagnetic Mixed-Valence and Kondo-Lattice State in TmTe at High Pressure

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Descripteurs français

English descriptors

Abstract

Notice en format standard (ISO 2709)

Format Inist (serveur)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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