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Raman Spectral Analysis of Metal-Insulator Transitions in Skutterudite Compound PrRu4P12

並列摘要


Raman scattering spectra of PrRu4P12 have been measured to clarify the mechanism underlying the metal-insulator transition occurring in this compound at T(subscript MI)=63 K. From the crystal electric field (CEF) excitation energies observed in the Raman spectra, the CEF level scheme is determined. A low-lying singlet-triplet CEF state is formed because of the competition between the field from the slightly transformed regular icosahedrons formed by the 12 P atoms and the cubic field from 8 coordination of Ru. The anomalous temperature dependence of the CEF excitation and phonon peak widths is strongly related to charge density wave (CDW) formation, which in turn is associated with the hybridization between the f and conduction electrons.

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被引用紀錄


Hui, L. C. (2008). Synthesis of Pt/Ni Bimetallic Nanoparticles and Its Application in Dye-Sensitized Solar Cells [master's thesis, National Tsing Hua University]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0016-2002201314243101
林正一(2012)。離子液體對材料的腐蝕性以及對鎂金屬表面處理的應用〔碩士論文,國立中央大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0031-1903201314455720
林柏融(2014)。以有機金屬化學蒸氣沉積法成長氮化鋁薄膜及其材料特性研究〔碩士論文,國立中央大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0031-0412201512024841

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