Energy Surfaces and Domain Structure of Pb_<1-x>Ge_xTe in the Rhombohedral Phase

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概要

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• The band edge structures of 7>-Pbz-.Ge.Te are studied by measuring thequantum oscillations of the sound velocity and the RF-surface impedance forfive different values of x at 1.4 K. The angular dependences of the periods be-come more complicated as x increased. This could be related to the valley-splittingsdue to the phase transition. For the large value of x (,v:0.028), the extra branchesof the periods appear clearly which could be explained by taking account of thedomain structure in the rhombohedral phase. The order parameter of the phasetransition is determined as a function of the transition temperature. The valuesof the optical and shear deformation potential constants are determined to beEz (16.S -H 1.0) eV and D', :: (11.74- 1 -0) eV- resnecfivelv-

• 社団法人日本物理学会の論文
• 1984-04-15

著者

• Tsuji K

  Department Of Physics Faculty Of Science And Technology Keio University

• Kumashiro Y

  Central Research Laboratory Ishihara Sangyo Kaisha Ltd.

• Kumashiro Yoshimasa

  Department Of Physics Faculty Of Science Kyushu University

• Tamura Kozaburo

  Department Of Physics Kyoto University

• Tamura Kozaburo

  Department Of Physics Faculty Of Science Kyoto University:faculty Of Integrated Arts And Sciences Hi

• Takano S

  University Of Tsukuba

• TAKANO Shuzo

  Department of Physics,Kyushu University

• TSUJI Kazutaka

  Department of Physics,Faculty of Science,Kyushu University 33

• Takano Shuzo

  Department Of Computer And Electronics Kyushu Institute Of Techonology

• Tsuji Kazutaka

  Department Of Physics Faculty Of Science Kyusyu University 33

• Takano Shuzo

  University of Tsukuba

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• Electrical Properties and Energy Spectrum of In-Doped Pb_Ge_xTe
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