期刊
PHYSICAL REVIEW B
卷 91, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.91.075120
关键词
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资金
- Ministry of Science and Technology of China (973 Project) [2011CBA00110, 2011CB921701]
- National Natural Science Foundation of China [11274367, 11174339, 91122034]
- Chinese Academy of Sciences [XDB07010100, XDB07020200]
We report the crystal growth of a new compound, Yb3Os4Ge13, by using a Bi flux method. X-ray diffraction measurement reveals that it crystallizes in the quasiskutterudite-type caged structure with a cubic space group of Pm (3) over barn (No. 223). Magnetic measurements reveal almost fully localized Yb 4 f-moments above 120 K. The resistivity exhibits a logarithmic increase below similar to 40 K. The specific heat coefficient shows a rapid upturn below similar to 5K and exceeds 2 J mol(-1) K-2 at 2 K. Our experimental analysis and electronic band structure calculations demonstrate that Yb3Os4Ge13 exhibits the Kondo effect due to strong hybridization of the localized Yb f moments with the p electrons of the surrounding Ge cages.
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