Superconductivity Induced by Breaking Te 2 Dimers of AuTe 2

Kazutaka Kudo,Hiroyuki Ishii,Masaya Takasuga,Keita Iba,Seiya Nakano,Jungeun Kim,Akihiko Fujiwara,Minoru Nohara

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN（2013）

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摘要

Mineral calaverite AuTe2 is a layered compound with an incommensurately modulated structure. The modulation is characterized by the formation of molecular-like Te-2 dimers. We have found that the breaking of Te-2 dimers that occurs in Au1-xPtxTe2 results in the emergence of superconductivity at T-c = 4.0 K.

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关键词

superconductivity,dimer breaking,telluride,CdI2 type

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