New insights into the lattice dynamics of α-quartz

被引：22

作者：

Bosak, Alexei ^{[1
]}

Krisch, Michael ^{[1
]}

Chernyshov, Dmitry ^{[2
]}

Winkler, Bjoern ^{[3
]}

Milman, Victor ^{[4
]}

Refson, Keith ^{[5
]}

Schulze-Briese, Clemens ^{[6
]}

机构：

[1] European Synchrotron Radiat Facil, F-38043 Grenoble, France

[2] Swiss Norwegian Beam Lines, F-38043 Grenoble, France

[3] Goethe Univ Frankfurt, D-60438 Frankfurt, Germany

[4] Accelrys, Cambridge CB4 0WN, England

[5] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[6] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

来源：

ZEITSCHRIFT FUR KRISTALLOGRAPHIE-CRYSTALLINE MATERIALS | 2012年 / 227卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

alpha-Quartz; Diffuse scattering; Lattice dynamics; Inelastic scattering; Phonons; Debye-Waller factors; INELASTIC NEUTRON-SCATTERING; INCOMMENSURATE PHASE; ORIGIN;

D O I：

10.1524/zkri.2012.1432

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The lattice dynamics of alpha-quartz has been studied in great details by combining inelastic X-ray scattering (IXS) from single- and polycrystalline samples, 3D mapping of thermal diffuse scattering (TDS) and ab initio calculations. Pronounced features in TDS patterns have been identified and the origin of first peak in vibrational density of states is unambiguously revealed.

引用

页码：84 / 91

页数：8

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