SYNCHROTRON X-RAY OPTICAL-PROPERTIES OF NATURAL DIAMOND

被引：8

作者：

NITHIANANDAM, J ^{[1
]}

RIFE, JC ^{[1
]}

机构：

[1] USN,RES LAB,DYNAM SOLIDS BRANCH,WASHINGTON,DC 20375

来源：

PHYSICAL REVIEW B | 1993年 / 47卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.47.3517

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Reflectance spectrum of a diamond crystal measured between 200.0 and 610.0 eV is presented. The x-ray reflectance spectrum was combined with an earlier ultraviolet optical spectrum of diamond. Extrapolations to these reflectance spectra were calculated using a set of Lorentz oscillators. These reflectance values were used in obtaining the spectral dependence of the optical dielectric function of diamond via a Kramers-Kronig transform. The accuracy of these optical constants and the reflectance extrapolations were verified using optical sum rules. The refractive index of the diamond is found to be greater than unity near 287.0 eV.

引用

页码：3517 / 3521

页数：5

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