Low-energy surface phonons on alpha-quartz (0001)

Steurer  W; Apfolter  A; Koch  MErnst  WEHolst  BSondergard  EParker  SC

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Low-energy surface phonons on alpha-quartz (0001)

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摘要

Calculated surface-phonon-dispersion curves for a dry, a partly hydroxylated, and a fully hydroxylated alpha-quartz (0001) surface are presented and compared with first low-energy inelastic helium-atom scattering measurements. Qualitative agreement between the calculations and the observed Rayleigh-wave dispersion curve is achieved for the dry quartz surface. A signature effect is seen in the calculated phonon-dispersion curves for the fully hydroxylated surface.

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《Physical review, B. Condensed matter and materials physics》 |2008年第3期|035402-1-035402-5-0|共5页
作者
Steurer W; Apfolter A; Koch MErnst WEHolst BSondergard EParker SC;
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作者单位

Graz Univ Technol, Inst Expt Phys, A-8010 Graz, Austria;

CNRS St Gobain, Lab Surface Verre & Interfaces, UMR 125, F-93303 Aubervilliers, France;

Univ Bath, Dept Chem, Bath BA2 7AY, Avon, England;

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正文语种英语
中图分类固体物理学;
关键词
ATOMIC-FORCE MICROSCOPY; MOLECULAR-DYNAMICS; INSTABILITIES; DISSOLUTION; SCATTERING; SIMULATION; STABILITY; CRYSTALS; LEED;

Low-energy surface phonons on alpha-quartz (0001)

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