Hydrogen-induced strain modulation in Nb-Ta superlattices

The first observation of a hydrogen-induced strian modulation in a metal superlattice due to interstitially dissolved atomic H is reported. The intensities of the X-ray satellites from this strained Nb--Ta superlattice depend on temp. This leads to a Curie--Weiss behavior for a H concentration modul...

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Bibliographic Details
Published in:Physical review letters 1985-03, Vol.54 (9), p.917-919
Main Authors: Miceli, PF, Zabel, H, Cunningham, JE
Format: Article
Language:English
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Summary:The first observation of a hydrogen-induced strian modulation in a metal superlattice due to interstitially dissolved atomic H is reported. The intensities of the X-ray satellites from this strained Nb--Ta superlattice depend on temp. This leads to a Curie--Weiss behavior for a H concentration modulation and can be explained in terms of a simple modulated lattice-gas model. In addition, the solubility of H in these thin Nb--Ta films, is found to be dramatically increased from what would be expected for bulk Nb or Ta. 10 ref.--AA
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.54.917