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Temperature Dependent Elasticity of a Ni2MnGa Film as Measured by Impulsive Stimulated Scattering
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SYSNO ASEP 0435678 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Temperature Dependent Elasticity of a Ni2MnGa Film as Measured by Impulsive Stimulated Scattering Author(s) Sermeus, J. (BE)
Verstraeten, B. (BE)
Stoklasová, Pavla (UT-L) RID, ORCID
Landa, Michal (UT-L) RID
Glorieux, C. (BE)Source Title Journal of Physics: Conference Series, 520. - Bristol : Institute of Physics Publishing, 2014 - ISSN 1742-6588 Pages 012013_1-012013_4 Number of pages 4 s. Publication form Print - P Action International Symposium on Laser Ultrasonics and Advanced Sensing /3./ Event date 25.06.2014-28.06.2014 VEvent location Yokohama Country JP - Japan Event type WRD Language eng - English Country GB - United Kingdom Keywords impulsive stimulated scattering ; elasticity ; surface acoustic waves ; magnetic shape memory alloy Subject RIV BI - Acoustics R&D Projects GPP101/12/P428 GA ČR - Czech Science Foundation (CSF) Institutional support UT-L - RVO:61388998 UT WOS 000339494500013 EID SCOPUS 84903648261 DOI 10.1088/1742-6596/520/1/012013 Annotation We report the results of an impulsive stimulated scattering measurement conducted on a 550 nm film Ni2MnGa on a MgO substrate, aiming at the direct experimental observation of the highly temperature dependent elasticity. The phase velocity of the surface acoustic waves excited on the surface of the coating-substrate shows an anomaly around the phase transition temperature of Ni2MnGa, showing that it is possible to use impulsive stimulated scattering as a characterization tool to determine temperature dependent elasticity of a thin film. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2015
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