Raman Scattering of Trigonal Se and Te at Very High Pressure
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概要
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The first-order Raman spectra of trigonal Se and Te have been measured underpressure up to the semiconductor-metal transition points at room temperature.In both materials, a promiutent pressure effect is found as an anomalous shiftof the A. mode to low frequency. This softening indicates interference of theinterchain bo?tding with the intrachain covaleuat bond. Frequency shifts withpressure show deviations from the lattice dynamical homology of Se and Te.The results are interpreted as aspects of the transition to the puckered layerstructure of the high??pressure monoclinic phase of Te.
- 社団法人日本物理学会の論文
- 1980-03-15
著者
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TSUSHIMA Tachiro
Electrotechnical Laboratory
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MINOMURA Shigeru
The Institute for Solid State Physics, The University of Tokyo
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Koshizuka Naoki
Electrotechnical Laboratory
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Shimomura Osamu
The Institute For Solid State Physics The University Of Tokyo:nationa Institute For Researches In In
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Aoki Katsutoshi
The Institute For Solid State Physics The University Of Tokyo:national Chemical Laboratory For Indus
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Minomura Shigeru
The Institute For Solid State Physics The University Of Tokyo
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Minomura Shigeru
The Institute for Solid State Physics,The University of Tokyo
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