A DEEP-INELASTIC NEUTRON-SCATTERING STUDY OF SODIUM

被引：14
|
作者：
FULTON, S [1 ]
COWLEY, RA [1 ]
EVANS, AC [1 ]
机构：
[1] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1994年 / 6卷 / 16期
关键词：
D O I：
10.1088/0953-8984/6/16/003
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Using the high-energy neutrons available at the ISIS facility, a deep inelastic neutron scattering study of polycrystalline sodium has been made. In this experiment the scattering function, S(Q, omega), has been measured at four different temperatures (30 K, 100 K, 200 K, 300 K) in order to study the changes in the neutron Compton profiles. The data were analysed using the impulse approximation and the known density of states. Within the 4% accuracy of the experiment, the results are consistent with sodium behaving as a harmonic solid.
引用
收藏
页码：2977 / 2984
页数：8
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