Phonon density of states probed by inelastic x-ray scattering

被引:66
作者
Bosak, A [1 ]
Krisch, M [1 ]
机构
[1] European Synchrotron Radiat Facil, F-38043 Grenoble, France
关键词
D O I
10.1103/PhysRevB.72.224305
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The formalism and the experimental conditions under which coherent inelastic x-ray scattering from phonons can be utilized to determine the vibrational density of states are presented. The validity of the approach is checked by comparison of results for diamond and MgO with ab initio lattice dynamics calculations and thermodynamic measurements. For diamond the agreement between experiment and theory is remarkable, while for MgO slight differences can be observed, indicating the need for further refinement of the lattice dynamics calculations. The generalization of the formalism is discussed, and potential applications in various research fields are laid out.
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页数:9
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