%0 Journal Article
%T First-principles study of the thermal transport property of Y3Al5O12<br>Y3Al5O12的热输运性质的第一性原理研究
%A Liu Cheng-Cheng
%A Cao Quan-Xi
%A <br>刘铖铖
%A 曹全喜
%J 物理学报
%D 2010
%I 
%X Based on density functional perturbation theory(DFPT) combined with the norm-conserving pseudopotential method,the lattice dynamic simulation is presented.The total phonon density of states,partial phonon density of states and phonon dispersion spectrum of YAG are obtained.By using the special point sampling method within the first Brillouin zone,the special heat capacity and the population averaged group speed of phonon of YAG are calculated.The anharmonic phonon mean free path is calculated theoretically ...
%K anharmonic phonon mean free path
%K density functional perturbation theory
%K Y3Al5O12 phonon structure
%K thermal conductivity<br>声子平均自由程，
%K 密度泛函微扰理论，
%K Y3Al5O12声子结构，
%K 热导率
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=CDB8135272AE95FEEBA19E38AB4D8C26&yid=140ECF96957D60B2&vid=6AC2A205FBB0EF23&iid=E158A972A605785F&sid=09846C42EDFC7B1E&eid=05FD3A2801CC52CD&journal_id=1000-3290&journal_name=物理学报&referenced_num=1&reference_num=20