Influence of layer microstructure on the double nucleation process in Cu/Mg multilayers

9 páginas, 9 figuras, 3 tablas.-- et al.

Bibliographic Details
Authors: González-Silveira, M., Ager, F. J.
Format: article
Publication Date:2006
Country:España
Institution:Consejo Superior de Investigaciones Científicas (CSIC)
Repository:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/39263
Online Access:http://hdl.handle.net/10261/39263
Access Level:Open access
Keyword:Cu/Mg multilayers
Microstructure
Calorimetric
Higher temperature
Nucleation
Differential scanning calorimetry (DSC)
Transmission electron microscopy (TEM)
Rutherford backscattering spectrometry (RBS)
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spelling Influence of layer microstructure on the double nucleation process in Cu/Mg multilayersGonzález-Silveira, M.Ager, F. J.Cu/Mg multilayersMicrostructureCalorimetricHigher temperatureNucleationDifferential scanning calorimetry (DSC)Transmission electron microscopy (TEM)Rutherford backscattering spectrometry (RBS)9 páginas, 9 figuras, 3 tablas.-- et al.We have investigated by differential scanning calorimetry the thermal evolution of Cu/Mg multilayers with different modulation lengths, ranging from 7/28 to 30/120 nm. The Cu and Mg layers were grown by sequential evaporation in an electron beam deposition system. The phase identification and layer microstructure were determined by cross-section transmission electron microscopy, Rutherford backscattering, and scanning electron microscopy with focused ion beam for sample preparation. Upon heating, the intermetallic CuMg2 forms at the interfaces until coalescence is reached and thickens through a diffusion-limited process. Cross-section transmission electron microscopy observations show a distinct microstructure at the top and bottom of the as-prepared Mg layers, while no significant differences were seen in the Cu layers. We show that this effect is responsible for the observed asymmetry in the nucleation process between the Cu on Mg and the Mg on Cu interfaces. By modeling the calorimetric data we determine the role of both interfaces in the nucleation and lateral growth stages. We also show that vertical growth proceeds by grain development of the product phase, increasing significantly the roughness of the interfaces.The financial support by Project No. MAT2004-04761 granted by the Spanish Ministry of Education and 2005SGR00201 granted by the Direcció General de Recerca of the Generalitat of Catalonia is acknowledged. One of the authors (J.L.L.) acknowledges the financial support from the Hungarian National Science Fund (OTKA043437).Peer reviewedAmerican Institute of Physics201120112006info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/39263reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1063/1.2398001info:eu-repo/semantics/openAccessoai:digital.csic.es:10261/392632026-05-22T06:33:51Z
dc.title.none.fl_str_mv Influence of layer microstructure on the double nucleation process in Cu/Mg multilayers
title Influence of layer microstructure on the double nucleation process in Cu/Mg multilayers
spellingShingle Influence of layer microstructure on the double nucleation process in Cu/Mg multilayers
González-Silveira, M.
Cu/Mg multilayers
Microstructure
Calorimetric
Higher temperature
Nucleation
Differential scanning calorimetry (DSC)
Transmission electron microscopy (TEM)
Rutherford backscattering spectrometry (RBS)
title_short Influence of layer microstructure on the double nucleation process in Cu/Mg multilayers
title_full Influence of layer microstructure on the double nucleation process in Cu/Mg multilayers
title_fullStr Influence of layer microstructure on the double nucleation process in Cu/Mg multilayers
title_full_unstemmed Influence of layer microstructure on the double nucleation process in Cu/Mg multilayers
title_sort Influence of layer microstructure on the double nucleation process in Cu/Mg multilayers
dc.creator.none.fl_str_mv González-Silveira, M.
Ager, F. J.
author González-Silveira, M.
author_facet González-Silveira, M.
Ager, F. J.
author_role author
author2 Ager, F. J.
author2_role author
dc.subject.none.fl_str_mv Cu/Mg multilayers
Microstructure
Calorimetric
Higher temperature
Nucleation
Differential scanning calorimetry (DSC)
Transmission electron microscopy (TEM)
Rutherford backscattering spectrometry (RBS)
topic Cu/Mg multilayers
Microstructure
Calorimetric
Higher temperature
Nucleation
Differential scanning calorimetry (DSC)
Transmission electron microscopy (TEM)
Rutherford backscattering spectrometry (RBS)
description 9 páginas, 9 figuras, 3 tablas.-- et al.
publishDate 2006
dc.date.none.fl_str_mv 2006
2011
2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/39263
url http://hdl.handle.net/10261/39263
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://dx.doi.org/10.1063/1.2398001
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv American Institute of Physics
publisher.none.fl_str_mv American Institute of Physics
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.812455

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