SUPERLATTICE STRUCTURE OF NB3TE4 AT LOW-TEMPERATURES

被引:41
作者
SUZUKI, K [1 ]
NAKADA, I [1 ]
ISHIHARA, Y [1 ]
机构
[1] KANAZAWA UNIV,FAC SCI,KANAZAWA,ISHIKAWA 920,JAPAN
关键词
D O I
10.1016/0038-1098(84)90402-2
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A quasi-one-dimensional metal Nb//3Te//4 exhibits a superlattice structure below about 100 K. The phenomenon is revealed by electron diffraction. A clear domain pattern is observed by electron microscope images by both host lattice diffraction and superlattice diffraction beams. The wavevectors for the superlattice are described q// plus or minus * equals 1/1. 5a* plus or minus 3/7c* with reciprocal lattice vectors. The cause of the superlattice generation is attributed to the charge density wave which couples strongly with lattice waves so that a deformation of the crystal lattice resulted.
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页码:743 / 746
页数:4
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