Brillouin Scattering Study of Elastic Properties of Transition-Metal Nitride Superlattices
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概要
- 論文の詳細を見る
Surface acoustic waves of transition-metal nitride TiN/CrN superlattices prepared on Mg_O (001) and glass substrates have been examined by Brillouin scattering. The superlattices were capped by a 15-nm-thick Al layer to enhance the Brillouin scattering efficiency. Scattering from the Raleigh wave and the longitudinal guided wave have been observed. The Raleigh wave velocity is independent of the superlattice period in a range of 30 to 0.6 nm. On the other hand, the longitudinal guided mode velocities exhibit a softening of about 10% and show a minimum at around 5 nm and 3 nm of the superlattice periods for the glass and MgO substrate superlattices, respectively.
- 社団法人応用物理学会の論文
- 1999-05-30
著者
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YAMAMOTO Ryoichi
Institute of Industrial Science, University of Tokyo
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Yoshihara Akira
Department Of Basic Sciences Faculty Of Science And Engineering Ishinomaki-senshu University
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SOE We-Hyo
Institute of Industrial Science, University of Tokyo
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Soe We-hyo
Institute Of Industrial Science University Of Tokyo
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Yamamoto Ryoichi
Institute Of Industrial Science University Of Tokyo
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Yamamoto Ryoichi
Institute For Chemical Research Kyoto University:fuji Photo Film Co. Ltd.
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Yoshihara Akira
Department Of Basic Sciences Faculty Of Science And Engineering Ishinomaki Senshu University
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