Structures and physical properties of R sub(2)TX sub(3) compounds

Rare-earth compounds have been an attractive subject based on the unique electronic structures of the rare-earth elements. Novel ternary intermetallic compounds R sub(2)TX sub(3) (R = rare-earth element or U, T = transition-metal element, X = Si, Ge, Ga, In) are a significant branch of this research...

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Bibliographic Details
Published in:Chinese physics B 2013-05, Vol.22 (5), p.056102-1-056102-10
Main Authors: Pan, Zhi-Yan, Cao, Chong-De, Bai, Xiao-Jun, Song, Rui-Bo, Zheng, Jian-Bang, Duan, Li-Bing
Format: Article
Language:English
Subjects:
Electronic structure
Fermions
Gallium
Magnetic permeability
Magnetic properties
Physical properties
Rare earth compounds
Rare earth metals
Spin glass
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Summary:Rare-earth compounds have been an attractive subject based on the unique electronic structures of the rare-earth elements. Novel ternary intermetallic compounds R sub(2)TX sub(3) (R = rare-earth element or U, T = transition-metal element, X = Si, Ge, Ga, In) are a significant branch of this research field due to their complex and intriguing physical properties, such as magnetic order at low temperature, spin-glass behavior, Kondo effect, heavy fermion behavior, and so on. The unique physical properties of R sub(2)TX sub(3) compounds are related to distinctive electronic structures, crystal structures, microinteraction, and external environment. Most R sub(2)TX sub(3) compounds crystallize in AlB sub(2)-type or derived AlB sub(2)-type structures and exhibit many similar properties. This paper gives a concise review of the structures and physical properties of these compounds. Spin glass, magnetic susceptibility, resistivity, and specific heat of R sub(2)TX sub(3) compounds are discussed.
ISSN:1674-1056
1741-4199
DOI:10.1088/1674-1056/22/5/056102