Measuring velocity of sound with nuclear resonant inelastic x-ray scattering

被引：89

作者：

Hu, MY ^{[1
]}

Sturhahn, W

Toellner, TS

Mannheim, PD

Brown, DE

Zhao, JY

Alp, EE

机构：

[1] HP CAT, Argonne, IL 60439 USA

[2] Carnegie Inst Sci, Adv Photon Source, Argonne, IL 60439 USA

[3] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

[4] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA

[5] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA

来源：

PHYSICAL REVIEW B | 2003年 / 67卷 / 09期

关键词：

D O I：

10.1103/PhysRevB.67.094304

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nuclear resonant inelastic x-ray scattering is used to measure the projected partial phonon density of states of materials. A relationship is derived between the low-energy part of this frequency distribution function and the sound velocity of materials. Our derivation is valid for harmonic solids with Debye-like low-frequency dynamics. This method of sound velocity determination is applied to elemental, composite, and impurity samples which are representative of a wide variety of both crystalline and noncrystalline materials. Advantages and limitations of this method are elucidated.

引用

页数：5

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