Lattice vibrations in La(Ce)Fe4Sb12 and CoSb3: Inelastic neutron scattering and theory
文献类型：期刊论文
| 作者 | Feldman, JL ; Dai, PC ; Enck, T ; Sales, BC ; Mandrus, D ; Singh, DJ |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2006 |
| 卷号 | 73期号:1 |
| 关键词 | THERMOELECTRIC-MATERIALS FILLED SKUTTERUDITES REFLECTION SPECTRA PHONON DENSITY DYNAMICS STATES COAS3 |
| ISSN号 | 1098-0121 |
| 通讯作者 | Feldman, JL (reprint author), USN, Res Lab, Ctr Computat Mat Sci, Washington, DC 20375 USA. |
| 中文摘要 | We present results of time-of-flight inelastic neutron scattering phonon density of states measurements on (La,Ce)(0.9)Fe4Sb12 and CoSb3 as well as of a detailed comparison with lattice dynamical models in the literature. The MARI experimental setup is replicated by a theory for scattering from a polycrystalline material. The model considered for the filled materials is a local density approximation (LDA) based short-range force constant model and those considered for CoSb3 are the LDA-based model with the La-related parameters removed and a semiempirical model. We show that the presence of La significantly affects the shape of the spectrum. We also conclude that upon filling the Sb intrasquare force constants are weakened and that the transition-metal Sb bonds are almost unchanged. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2014-02-20 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/57867]  |
| 专题 | 物理研究所_所内人员在其他单位发表论文题录信息_所内人员在其他单位发表论文题录信息_期刊论文 |
| 推荐引用方式 GB/T 7714 | Feldman, JL,Dai, PC,Enck, T,et al. Lattice vibrations in La(Ce)Fe4Sb12 and CoSb3: Inelastic neutron scattering and theory[J]. PHYSICAL REVIEW B,2006,73(1). |
| APA | Feldman, JL,Dai, PC,Enck, T,Sales, BC,Mandrus, D,&Singh, DJ.(2006).Lattice vibrations in La(Ce)Fe4Sb12 and CoSb3: Inelastic neutron scattering and theory.PHYSICAL REVIEW B,73(1). |
| MLA | Feldman, JL,et al."Lattice vibrations in La(Ce)Fe4Sb12 and CoSb3: Inelastic neutron scattering and theory".PHYSICAL REVIEW B 73.1(2006). |
入库方式： OAI收割
来源：物理研究所
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