Raman scattering study of antimony‐based skutterudites
Raman scattering study of antimony‐based skutterudites
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DOI：
10.1063/1.361132
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发表时间：
1996-03
影响因子：
3.2
通讯作者：
G. Nolas;G. Slack;T. Caillat;G. Meisner
中科院分区：
文献类型：
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作者：
G. Nolas;G. Slack;T. Caillat;G. Meisner
研究了单晶CoSb3和RhSb3以及多晶IrSb3的拉曼光谱。我们还研究了四种不同的多晶填充的角闪石样品，Ir4LaGe3Sb9, Ir4NdGe3Sb9， Ir4SmGe3Sb9和Fe4CeSb12，其中稀土离子占据了角闪石结构中的空隙。这些填充空隙的离子与该结构中的晶格振动相互作用，产生观察到的谱线的位移和展宽。所有样品中最突出的谱线是Sb4环呼吸模式。研究了单晶CoSb3和RhSb3以及多晶IrSb3的拉曼光谱。我们还研究了四种不同的多晶填充的角闪石样品，Ir4LaGe3Sb9, Ir4NdGe3Sb9， Ir4SmGe3Sb9和Fe4CeSb12，其中稀土离子占据了角闪石结构中的空隙。这些填充空隙的离子与该结构中的晶格振动相互作用，产生观察到的谱线的位移和展宽。所有样品中最突出的谱线是Sb4环呼吸模式。
Raman spectra of single‐crystal CoSb3 and RhSb3 and of polycrystalline IrSb3 have been studied. We have also studied four different polycrystalline‐filled skutterudite samples, Ir4LaGe3Sb9, Ir4NdGe3Sb9, Ir4SmGe3Sb9, and Fe4CeSb12, where rare‐earth ions occupy the voids in the skutterudite structure. These void‐filling ions interact with some of the lattice vibrations in this structure and produce a shift and broadening of the observed lines. The most prominent lines in all of the samples are the Sb4 ring‐breathing modes.Raman spectra of single‐crystal CoSb3 and RhSb3 and of polycrystalline IrSb3 have been studied. We have also studied four different polycrystalline‐filled skutterudite samples, Ir4LaGe3Sb9, Ir4NdGe3Sb9, Ir4SmGe3Sb9, and Fe4CeSb12, where rare‐earth ions occupy the voids in the skutterudite structure. These void‐filling ions interact with some of the lattice vibrations in this structure and produce a shift and broadening of the observed lines. The most prominent lines in all of the samples are the Sb4 ring‐breathing modes.