Theoretical investigations on the elastic wave propagation and phonon focusing in AlLi crystal
Theoretical investigations on the elastic wave propagation and phonon focusing in AlLi crystal
复制标题
AlLi晶体中弹性波传播和声子聚焦的理论研究
DOI:
10.1016/j.matchemphys.2014.12.006
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发表时间:
2015-02
期刊:
影响因子:
--
通讯作者:
Zhufeng Hou
中科院分区:
文献类型:
--
作者:
Hongzhi Fu1;Liping Yao1;Juan Fu2;Zhufeng Hou
The anisotropy and phonon focusing of AlLi are investigated using ultrasoft pseudopotentials within the generalized gradient approximation correction in the frame of density functional theory. Theoretical calculation of the three dimensional slowness surfaces gives insights into the mixing of longitudinal and transverse modes and shows the origin of the phonon caustics. The results are explained in terms of phonon focusing due to the fact that in elastically anisotropic crystals. The propagation of elastic waves in AlLi is affected by the elastic anisotropy of the lattice.
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影响因子:
3.7
作者:
A. Taga;L. Vitos;B. Johansson;G. Grimvall
通讯作者:
A. Taga;L. Vitos;B. Johansson;G. Grimvall
影响因子:
3.7
作者:
LU, ZW;WEI, SH;FERREIRA, LG
通讯作者:
FERREIRA, LG
影响因子:
2.4
作者:
H. Maris
通讯作者:
H. Maris
DOI:
--
发表时间:
2014-11
期刊:
--
影响因子:
--
作者:
A. Authier
通讯作者:
A. Authier
DOI:
10.1103/physrevb.40.2793
发表时间:
1989-08
期刊:
Physical review. B, Condensed matter
影响因子:
--
作者:
Guo;Podloucky;Freeman
通讯作者:
Guo;Podloucky;Freeman