X-ray reflectivity study of the surface of liquid gallium.
X-ray reflectivity study of the surface of liquid gallium.
复制标题
液态镓表面的X射线反射率研究。
DOI:
10.1103/physrevb.47.6847
复制
发表时间:
1993
期刊:
影响因子:
--
通讯作者:
Ocko
中科院分区:
文献类型:
--
作者:
Kawamoto;Lee;Pershan;Deutsch;Maskil;Ocko
X-ray reflectivity from the surface of liquid gallium was measured under ultrahigh vacuum conditions using a novel technique for curved surfaces. The small deviations between the measured and theoretical Fresnel reflectivity for an ideally sharp flat interface for wave-vector transfer [approx lt]0.5 A[sup [minus]1] imply an interfacial width for the electron density profile of [approx lt]1.3[plus minus]0.2 A. This is consistent with a model of atomic close packing which lacks structure along the surface normal at length scales [gt]10 A.