OBSERVATION OF D-SPACING FLUCTUATIONS ABOVE THE MARTENSITIC PHASE-TRANSITION IN V3SI

被引:29
作者
HASTINGS, JB [1 ]
SHIRANE, G [1 ]
WILLIAMSON, SJ [1 ]
机构
[1] NYU,DEPT PHYS,NEW YORK,NY 10003
关键词
D O I
10.1103/PhysRevLett.43.1249
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
High-resolution x-ray-scattering studies of the Martensitic phase transition in V3Si show significant pretransition d-spacing fluctuations at temperatures as high as 40 K above TM (21 K). Neutron scattering measurements, with similar resolution, show no broadening of the same Bragg peak. These striking results are compared with existing theoretical and experimental evidence for precursive effects in V3Si. © 1979 The American Physical Society.
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页码:1249 / 1252
页数:4
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