CobaltMaghrebV1, PascalFrancis, Corpus, bibRecord, 000187

Nucleation, growth and structural properties of epitaxial Co-Ag alloy films

Identifieur interne : 000187 ( PascalFrancis/Corpus ); précédent : 000186; suivant : 000188

Nucleation, growth and structural properties of epitaxial Co-Ag alloy films

Auteurs : A. Azizi ; J. Arabski ; A. Dinia

Source :

Applied surface science [ 0169-4332 ] ; 2005.

RBID : Pascal:05-0311064

Descripteurs français

Pascal (Inist)
- Structure surface, Couche mince, Nucléation, Matériau granulaire, Croissance film, Epitaxie jet moléculaire, RHEED, Diffraction RX, In situ, Surface rugueuse, Paramètre cristallin, Cobalt alliage, Argent alliage, Ag Co, Alliage AgCo, 6855J, 8115H, 6114H.

English descriptors

KwdEn :
- Cobalt alloys, Film growth, Granular materials, In situ, Lattice parameters, Molecular beam epitaxy, Nucleation, RHEED, Rough surfaces, Silver alloys, Surface structure, Thin films, XRD.

Abstract

Granular Co-Ag alloy films elaborated by molecular-beam epitaxy at three temperatures: 20, 250 and 450 °C, have been investigated. The influence of substrate temperatures on the growth and the structural properties is studied, using reflection high-energy electron diffraction (RHEED) and X-ray diffraction (XRD) techniques. For all growth temperatures, the in situ RHEED patterns of the Co-Ag alloys exhibit an in-plane six-fold symmetry, which indicates that the Co and Ag deposits are in epitaxy with the Ru buffer surface. At 20 °C, the RHEED patterns show a unique lattice with diffuse lines, which is a feature of a rough surface. However, at 250 °C, the RHEED patterns show double lines, which indicate the existence of two lattices, associated with Ag and Co metals. RHEED analysis indicates that the Co lattice constant relaxes to its bulk value after a critical thickness of 20 Å, while the Ag has already relaxed at the growth beginning. XRD studies give evidence of a strongly textured alloy films, along the growth direction. It is found that, at 20 °C, Co impurities are embedded in the Ag matrix. However, in the range 250-450 °C, the system segregates and gives the formation of chemically pure entities of Co and Ag.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A08	`01`	`1`	`ENG`	`@1 Nucleation, growth and structural properties of epitaxial Co-Ag alloy films`
A11	`01`	`1`		`@1 AZIZI (A.)`
A11	`02`	`1`		`@1 ARABSKI (J.)`
A11	`03`	`1`		`@1 DINIA (A.)`
A14	`01`			`@1 Laboratoire d'Energétique et d'Electrochimie du Solide, Université de Sétif @2 Sétif 19000 @3 DZA @Z 1 aut.`
A14	`02`			`@1 Institut de Physique et Chimie des Matériaux de Strasbourg (UMR 7504 du CNRS), 23 Rue du Loess, BP 43 @2 67034 Strasbourg @3 FRA @Z 2 aut. @Z 3 aut.`
A20				`@1 132-138`
A21				`@1 2005`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 16002 @5 354000129876330200`
A44				`@0 0000 @1 © 2005 INIST-CNRS. All rights reserved.`
A45				`@0 29 ref.`
A47	`01`	`1`		`@0 05-0311064`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Applied surface science`
A66	`01`			`@0 NLD`
C01	`01`		`ENG`	@0 Granular Co-Ag alloy films elaborated by molecular-beam epitaxy at three temperatures: 20, 250 and 450 °C, have been investigated. The influence of substrate temperatures on the growth and the structural properties is studied, using reflection high-energy electron diffraction (RHEED) and X-ray diffraction (XRD) techniques. For all growth temperatures, the in situ RHEED patterns of the Co-Ag alloys exhibit an in-plane six-fold symmetry, which indicates that the Co and Ag deposits are in epitaxy with the Ru buffer surface. At 20 °C, the RHEED patterns show a unique lattice with diffuse lines, which is a feature of a rough surface. However, at 250 °C, the RHEED patterns show double lines, which indicate the existence of two lattices, associated with Ag and Co metals. RHEED analysis indicates that the Co lattice constant relaxes to its bulk value after a critical thickness of 20 Å, while the Ag has already relaxed at the growth beginning. XRD studies give evidence of a strongly textured alloy films, along the growth direction. It is found that, at 20 °C, Co impurities are embedded in the Ag matrix. However, in the range 250-450 °C, the system segregates and gives the formation of chemically pure entities of Co and Ag.
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C02	`02`	`3`		`@0 001B80A15H`
C02	`03`	`3`		`@0 001B60A14H`
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C03	`01`	`3`	`ENG`	`@0 Surface structure @5 01`
C03	`02`	`3`	`FRE`	`@0 Couche mince @5 02`
C03	`02`	`3`	`ENG`	`@0 Thin films @5 02`
C03	`03`	`3`	`FRE`	`@0 Nucléation @5 07`
C03	`03`	`3`	`ENG`	`@0 Nucleation @5 07`
C03	`04`	`3`	`FRE`	`@0 Matériau granulaire @5 08`
C03	`04`	`3`	`ENG`	`@0 Granular materials @5 08`
C03	`05`	`3`	`FRE`	`@0 Croissance film @5 09`
C03	`05`	`3`	`ENG`	`@0 Film growth @5 09`
C03	`06`	`3`	`FRE`	`@0 Epitaxie jet moléculaire @5 10`
C03	`06`	`3`	`ENG`	`@0 Molecular beam epitaxy @5 10`
C03	`07`	`3`	`FRE`	`@0 RHEED @5 11`
C03	`07`	`3`	`ENG`	`@0 RHEED @5 11`
C03	`08`	`3`	`FRE`	`@0 Diffraction RX @5 12`
C03	`08`	`3`	`ENG`	`@0 XRD @5 12`
C03	`09`	`X`	`FRE`	`@0 In situ @5 13`
C03	`09`	`X`	`ENG`	`@0 In situ @5 13`
C03	`09`	`X`	`SPA`	`@0 In situ @5 13`
C03	`10`	`3`	`FRE`	`@0 Surface rugueuse @5 14`
C03	`10`	`3`	`ENG`	`@0 Rough surfaces @5 14`
C03	`11`	`3`	`FRE`	`@0 Paramètre cristallin @5 15`
C03	`11`	`3`	`ENG`	`@0 Lattice parameters @5 15`
C03	`12`	`3`	`FRE`	`@0 Cobalt alliage @5 16`
C03	`12`	`3`	`ENG`	`@0 Cobalt alloys @5 16`
C03	`13`	`3`	`FRE`	`@0 Argent alliage @5 17`
C03	`13`	`3`	`ENG`	`@0 Silver alloys @5 17`
C03	`14`	`3`	`FRE`	`@0 Ag Co @4 INC @5 32`
C03	`15`	`3`	`FRE`	`@0 Alliage AgCo @4 INC @5 33`
C03	`16`	`3`	`FRE`	`@0 6855J @2 PAC @4 INC @5 45`
C03	`17`	`3`	`FRE`	`@0 8115H @2 PAC @4 INC @5 46`
C03	`18`	`3`	`FRE`	`@0 6114H @2 PAC @4 INC @5 47`
C07	`01`	`3`	`FRE`	`@0 Métal transition alliage @5 62`
C07	`01`	`3`	`ENG`	`@0 Transition element alloys @5 62`
N21				`@1 220`

Format Inist (serveur)

NO :	PASCAL 05-0311064 INIST
ET :	Nucleation, growth and structural properties of epitaxial Co-Ag alloy films
AU :	AZIZI (A.); ARABSKI (J.); DINIA (A.)
AF :	Laboratoire d'Energétique et d'Electrochimie du Solide, Université de Sétif/Sétif 19000/Algérie (1 aut.); Institut de Physique et Chimie des Matériaux de Strasbourg (UMR 7504 du CNRS), 23 Rue du Loess, BP 43/67034 Strasbourg/France (2 aut., 3 aut.)
DT :	Publication en série; Niveau analytique
SO :	Applied surface science; ISSN 0169-4332; Pays-Bas; Da. 2005; Vol. 246; No. 1-3; Pp. 132-138; Bibl. 29 ref.
LA :	Anglais
EA :	Granular Co-Ag alloy films elaborated by molecular-beam epitaxy at three temperatures: 20, 250 and 450 °C, have been investigated. The influence of substrate temperatures on the growth and the structural properties is studied, using reflection high-energy electron diffraction (RHEED) and X-ray diffraction (XRD) techniques. For all growth temperatures, the in situ RHEED patterns of the Co-Ag alloys exhibit an in-plane six-fold symmetry, which indicates that the Co and Ag deposits are in epitaxy with the Ru buffer surface. At 20 °C, the RHEED patterns show a unique lattice with diffuse lines, which is a feature of a rough surface. However, at 250 °C, the RHEED patterns show double lines, which indicate the existence of two lattices, associated with Ag and Co metals. RHEED analysis indicates that the Co lattice constant relaxes to its bulk value after a critical thickness of 20 Å, while the Ag has already relaxed at the growth beginning. XRD studies give evidence of a strongly textured alloy films, along the growth direction. It is found that, at 20 °C, Co impurities are embedded in the Ag matrix. However, in the range 250-450 °C, the system segregates and gives the formation of chemically pure entities of Co and Ag.
CC :	001B60H55J; 001B80A15H; 001B60A14H
FD :	Structure surface; Couche mince; Nucléation; Matériau granulaire; Croissance film; Epitaxie jet moléculaire; RHEED; Diffraction RX; In situ; Surface rugueuse; Paramètre cristallin; Cobalt alliage; Argent alliage; Ag Co; Alliage AgCo; 6855J; 8115H; 6114H
FG :	Métal transition alliage
ED :	Surface structure; Thin films; Nucleation; Granular materials; Film growth; Molecular beam epitaxy; RHEED; XRD; In situ; Rough surfaces; Lattice parameters; Cobalt alloys; Silver alloys
EG :	Transition element alloys
SD :	In situ
LO :	INIST-16002.354000129876330200
ID :	05-0311064

Links to Exploration step

Pascal:05-0311064

Le document en format XML

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<term>In situ</term>
<term>Surface rugueuse</term>
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<term>Argent alliage</term>
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<front><div type="abstract" xml:lang="en">Granular Co-Ag alloy films elaborated by molecular-beam epitaxy at three temperatures: 20, 250 and 450 °C, have been investigated. The influence of substrate temperatures on the growth and the structural properties is studied, using reflection high-energy electron diffraction (RHEED) and X-ray diffraction (XRD) techniques. For all growth temperatures, the in situ RHEED patterns of the Co-Ag alloys exhibit an in-plane six-fold symmetry, which indicates that the Co and Ag deposits are in epitaxy with the Ru buffer surface. At 20 °C, the RHEED patterns show a unique lattice with diffuse lines, which is a feature of a rough surface. However, at 250 °C, the RHEED patterns show double lines, which indicate the existence of two lattices, associated with Ag and Co metals. RHEED analysis indicates that the Co lattice constant relaxes to its bulk value after a critical thickness of 20 Å, while the Ag has already relaxed at the growth beginning. XRD studies give evidence of a strongly textured alloy films, along the growth direction. It is found that, at 20 °C, Co impurities are embedded in the Ag matrix. However, in the range 250-450 °C, the system segregates and gives the formation of chemically pure entities of Co and Ag.</div>
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<s5>09</s5>
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<s5>09</s5>
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<fC03 i1="17" i2="3" l="FRE"><s0>8115H</s0>
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<server><NO>PASCAL 05-0311064 INIST</NO>
<ET>Nucleation, growth and structural properties of epitaxial Co-Ag alloy films</ET>
<AU>AZIZI (A.); ARABSKI (J.); DINIA (A.)</AU>
<AF>Laboratoire d'Energétique et d'Electrochimie du Solide, Université de Sétif/Sétif 19000/Algérie (1 aut.); Institut de Physique et Chimie des Matériaux de Strasbourg (UMR 7504 du CNRS), 23 Rue du Loess, BP 43/67034 Strasbourg/France (2 aut., 3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Applied surface science; ISSN 0169-4332; Pays-Bas; Da. 2005; Vol. 246; No. 1-3; Pp. 132-138; Bibl. 29 ref.</SO>
<LA>Anglais</LA>
<EA>Granular Co-Ag alloy films elaborated by molecular-beam epitaxy at three temperatures: 20, 250 and 450 °C, have been investigated. The influence of substrate temperatures on the growth and the structural properties is studied, using reflection high-energy electron diffraction (RHEED) and X-ray diffraction (XRD) techniques. For all growth temperatures, the in situ RHEED patterns of the Co-Ag alloys exhibit an in-plane six-fold symmetry, which indicates that the Co and Ag deposits are in epitaxy with the Ru buffer surface. At 20 °C, the RHEED patterns show a unique lattice with diffuse lines, which is a feature of a rough surface. However, at 250 °C, the RHEED patterns show double lines, which indicate the existence of two lattices, associated with Ag and Co metals. RHEED analysis indicates that the Co lattice constant relaxes to its bulk value after a critical thickness of 20 Å, while the Ag has already relaxed at the growth beginning. XRD studies give evidence of a strongly textured alloy films, along the growth direction. It is found that, at 20 °C, Co impurities are embedded in the Ag matrix. However, in the range 250-450 °C, the system segregates and gives the formation of chemically pure entities of Co and Ag.</EA>
<CC>001B60H55J; 001B80A15H; 001B60A14H</CC>
<FD>Structure surface; Couche mince; Nucléation; Matériau granulaire; Croissance film; Epitaxie jet moléculaire; RHEED; Diffraction RX; In situ; Surface rugueuse; Paramètre cristallin; Cobalt alliage; Argent alliage; Ag Co; Alliage AgCo; 6855J; 8115H; 6114H</FD>
<FG>Métal transition alliage</FG>
<ED>Surface structure; Thin films; Nucleation; Granular materials; Film growth; Molecular beam epitaxy; RHEED; XRD; In situ; Rough surfaces; Lattice parameters; Cobalt alloys; Silver alloys</ED>
<EG>Transition element alloys</EG>
<SD>In situ</SD>
<LO>INIST-16002.354000129876330200</LO>
<ID>05-0311064</ID>
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Nucleation, growth and structural properties of epitaxial Co-Ag alloy films

Nucleation, growth and structural properties of epitaxial Co-Ag alloy films

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