ThuliumV1, Pascal, Corpus, bibRecord, 001389

Structural phase transition of TmGa2 at high pressure

Identifieur interne : 001389 ( Pascal/Corpus ); précédent : 001388; suivant : 001390

Structural phase transition of TmGa2 at high pressure

Auteurs : U. Schwarz ; S. Brauninger ; Y. Grin ; K. Syassen

Source :

Journal of alloys and compounds [ 0925-8388 ] ; 1996.

RBID : Pascal:97-0284434

Descripteurs français

Pascal (Inist)
- Transition phase, Alliage base thulium, Gallium alliage, Alliage binaire, XRD, Structure cristalline, Composé intermétallique, Effet pression, Etude expérimentale, Alliage Tm55Ga45, Ga Tm, 6150K.

English descriptors

KwdEn :
- Binary alloys, Crystal structure, Experimental study, Gallium alloys, Intermetallic compounds, Phase transitions, Pressure effects, Thulium base alloys, XRD.

Abstract

Copyright (c) 1997 Elsevier Science S.A. All rights reserved. We have investigated the structural properties of the intermetallic compound TmGa₂ under hydrostatic pressures up to 45GPa by means of X-ray powder diffraction in diamond anvil cells. The orthorhombic low-pressure modification of the KHg₂ (CeCu₂) type undergoes a structural phase transition at 21(3)GPa into a high-pressure modification of the AlB₂ structure type. TB-LMTO-ASA calculations and use of the electron localization function confirm that the structural change from a three-dimensional gallium network to a layered structure is associated with a transition from a tetrahedral homonuclear gallium network to a trigonal planar one.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0925-8388`
A03		`1`		`@0 J. alloys compd.`
A05				`@2 245`
A06				`@2 1-2`
A08	`01`	`1`	`ENG`	`@1 Structural phase transition of TmGa₂ at high pressure`
A11	`01`	`1`		`@1 SCHWARZ (U.)`
A11	`02`	`1`		`@1 BRAUNINGER (S.)`
A11	`03`	`1`		`@1 GRIN (Y.)`
A11	`04`	`1`		`@1 SYASSEN (K.)`
A14	`01`			`@1 Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 @2 Stuttgart @3 DEU @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut.`
A20				`@1 23-29`
A21				`@1 1996`
A23	`01`			`@0 ENG`
A24	`01`			`@0 eng`
A43	`01`			`@1 INIST @2 1151 @5 354000061148710030`
A44				`@0 9000 @1 © 1997 Elsevier Science B.V. All rights reserved.`
A47	`01`	`1`		`@0 97-0284434`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Journal of alloys and compounds`
A66	`01`			`@0 CHE`
C01	`01`		`ENG`	@0 Copyright (c) 1997 Elsevier Science S.A. All rights reserved. We have investigated the structural properties of the intermetallic compound TmGa₂ under hydrostatic pressures up to 45GPa by means of X-ray powder diffraction in diamond anvil cells. The orthorhombic low-pressure modification of the KHg₂ (CeCu₂) type undergoes a structural phase transition at 21(3)GPa into a high-pressure modification of the AlB₂ structure type. TB-LMTO-ASA calculations and use of the electron localization function confirm that the structural change from a three-dimensional gallium network to a layered structure is associated with a transition from a tetrahedral homonuclear gallium network to a trigonal planar one.
C02	`01`	`3`		`@0 001B60A50K`
C02	`02`	`X`		`@0 240`
C03	`01`	`X`	`FRE`	`@0 Transition phase @5 01`
C03	`01`	`X`	`ENG`	`@0 Phase transitions @5 01`
C03	`01`	`X`	`SPA`	`@0 Transición fase @5 01`
C03	`02`	`3`	`FRE`	`@0 Alliage base thulium @2 NK @5 02`
C03	`02`	`3`	`ENG`	`@0 Thulium base alloys @2 NK @5 02`
C03	`03`	`3`	`FRE`	`@0 Gallium alliage @5 03`
C03	`03`	`3`	`ENG`	`@0 Gallium alloys @5 03`
C03	`04`	`3`	`FRE`	`@0 Alliage binaire @5 04`
C03	`04`	`3`	`ENG`	`@0 Binary alloys @5 04`
C03	`05`	`3`	`FRE`	`@0 XRD @5 05`
C03	`05`	`3`	`ENG`	`@0 XRD @5 05`
C03	`06`	`3`	`FRE`	`@0 Structure cristalline @5 06`
C03	`06`	`3`	`ENG`	`@0 Crystal structure @5 06`
C03	`07`	`3`	`FRE`	`@0 Composé intermétallique @5 07`
C03	`07`	`3`	`ENG`	`@0 Intermetallic compounds @5 07`
C03	`08`	`3`	`FRE`	`@0 Effet pression @5 08`
C03	`08`	`3`	`ENG`	`@0 Pressure effects @5 08`
C03	`09`	`3`	`FRE`	`@0 Etude expérimentale @5 09`
C03	`09`	`3`	`ENG`	`@0 Experimental study @5 09`
C03	`10`	`3`	`FRE`	`@0 Alliage Tm55Ga45 @2 NK @4 INC @5 32`
C03	`11`	`3`	`FRE`	`@0 Ga Tm @4 INC @5 33`
C03	`12`	`3`	`FRE`	`@0 6150K @2 PAC @4 INC @5 95`
N21				`@1 160`

Format Inist (serveur)

NO :	PASCAL 97-0284434 Elsevier
ET :	Structural phase transition of TmGa₂ at high pressure
AU :	SCHWARZ (U.); BRAUNINGER (S.); GRIN (Y.); SYASSEN (K.)
AF :	Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569/Stuttgart/Allemagne (1 aut., 2 aut., 3 aut., 4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 1996; Vol. 245; No. 1-2; Pp. 23-29; Abs. anglais
LA :	Anglais
EA :	Copyright (c) 1997 Elsevier Science S.A. All rights reserved. We have investigated the structural properties of the intermetallic compound TmGa₂ under hydrostatic pressures up to 45GPa by means of X-ray powder diffraction in diamond anvil cells. The orthorhombic low-pressure modification of the KHg₂ (CeCu₂) type undergoes a structural phase transition at 21(3)GPa into a high-pressure modification of the AlB₂ structure type. TB-LMTO-ASA calculations and use of the electron localization function confirm that the structural change from a three-dimensional gallium network to a layered structure is associated with a transition from a tetrahedral homonuclear gallium network to a trigonal planar one.
CC :	001B60A50K; 240
FD :	Transition phase; Alliage base thulium; Gallium alliage; Alliage binaire; XRD; Structure cristalline; Composé intermétallique; Effet pression; Etude expérimentale; Alliage Tm55Ga45; Ga Tm; 6150K
ED :	Phase transitions; Thulium base alloys; Gallium alloys; Binary alloys; XRD; Crystal structure; Intermetallic compounds; Pressure effects; Experimental study
SD :	Transición fase
LO :	INIST-1151.354000061148710030
ID :	97-0284434

Links to Exploration step

Pascal:97-0284434

Le document en format XML

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<front><div type="abstract" xml:lang="en">Copyright (c) 1997  Elsevier Science S.A. All rights reserved. We have investigated the structural properties of the intermetallic compound TmGa<sub>2</sub>
 under hydrostatic pressures up to 45GPa by means of X-ray powder diffraction in diamond anvil cells. The orthorhombic low-pressure modification of the KHg<sub>2</sub>
 (CeCu<sub>2</sub>
) type undergoes a structural phase transition at 21(3)GPa into a high-pressure modification of the AlB<sub>2</sub>
 structure type. TB-LMTO-ASA calculations and use of the electron localization function confirm that the structural change from a three-dimensional gallium network to a layered structure is associated with a transition from a tetrahedral homonuclear gallium network to a trigonal planar one.</div>
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<server><NO>PASCAL 97-0284434 Elsevier</NO>
<ET>Structural phase transition of TmGa<sub>2</sub>
 at high pressure</ET>
<AU>SCHWARZ (U.); BRAUNINGER (S.); GRIN (Y.); SYASSEN (K.)</AU>
<AF>Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569/Stuttgart/Allemagne (1 aut., 2 aut., 3 aut., 4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 1996; Vol. 245; No. 1-2; Pp. 23-29; Abs. anglais</SO>
<LA>Anglais</LA>
<EA>Copyright (c) 1997  Elsevier Science S.A. All rights reserved. We have investigated the structural properties of the intermetallic compound TmGa<sub>2</sub>
 under hydrostatic pressures up to 45GPa by means of X-ray powder diffraction in diamond anvil cells. The orthorhombic low-pressure modification of the KHg<sub>2</sub>
 (CeCu<sub>2</sub>
) type undergoes a structural phase transition at 21(3)GPa into a high-pressure modification of the AlB<sub>2</sub>
 structure type. TB-LMTO-ASA calculations and use of the electron localization function confirm that the structural change from a three-dimensional gallium network to a layered structure is associated with a transition from a tetrahedral homonuclear gallium network to a trigonal planar one.</EA>
<CC>001B60A50K; 240</CC>
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<ED>Phase transitions; Thulium base alloys; Gallium alloys; Binary alloys; XRD; Crystal structure; Intermetallic compounds; Pressure effects; Experimental study</ED>
<SD>Transición fase</SD>
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Structural phase transition of TmGa2 at high pressure

Structural phase transition of TmGa2 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

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