Superconductivity in the narrow-gap semiconductor CsBi4Te 6

Christos D Malliakas; Duck Young Chung; Helmut Claus; Mercouri Kanatzidis

doi:10.1021/ja407530u

Superconductivity in the narrow-gap semiconductor CsBi₄Te ₆

Christos D Malliakas, Duck Young Chung, Helmut Claus, Mercouri Kanatzidis^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

Superconductivity was discovered in the narrow-gap semiconductor CsBi ₄Te₆. A superconducting transition around 4.4 K was observed for p-type samples in temperature-dependent resistivity and magnetic susceptibility data. Stoichiometric CsBi₄Te₆ is not a superconductor. A remarkably high critical field of ∼10 T was estimated from the field-dependent resistivity data. The strongly anisotropic CsBi ₄Te₆ system is monoclinic and the first member of a larger homologous series Cs₄[Bi_2n+4Te_3n+6] that exhibits unconventional superconductivity, suggesting that proper doping of the homologous series may create a novel class of superconductors from semiconductors.

Original language	English (US)
Pages (from-to)	14540-14543
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	135
Issue number	39
DOIs	https://doi.org/10.1021/ja407530u
State	Published - Oct 2 2013

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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title = "Superconductivity in the narrow-gap semiconductor CsBi4Te 6",

abstract = "Superconductivity was discovered in the narrow-gap semiconductor CsBi 4Te6. A superconducting transition around 4.4 K was observed for p-type samples in temperature-dependent resistivity and magnetic susceptibility data. Stoichiometric CsBi4Te6 is not a superconductor. A remarkably high critical field of ∼10 T was estimated from the field-dependent resistivity data. The strongly anisotropic CsBi 4Te6 system is monoclinic and the first member of a larger homologous series Cs4[Bi2n+4Te3n+6] that exhibits unconventional superconductivity, suggesting that proper doping of the homologous series may create a novel class of superconductors from semiconductors.",

author = "Malliakas, {Christos D} and Chung, {Duck Young} and Helmut Claus and Mercouri Kanatzidis",

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T1 - Superconductivity in the narrow-gap semiconductor CsBi4Te 6

AU - Malliakas, Christos D

AU - Chung, Duck Young

AU - Claus, Helmut

AU - Kanatzidis, Mercouri

PY - 2013/10/2

Y1 - 2013/10/2

N2 - Superconductivity was discovered in the narrow-gap semiconductor CsBi 4Te6. A superconducting transition around 4.4 K was observed for p-type samples in temperature-dependent resistivity and magnetic susceptibility data. Stoichiometric CsBi4Te6 is not a superconductor. A remarkably high critical field of ∼10 T was estimated from the field-dependent resistivity data. The strongly anisotropic CsBi 4Te6 system is monoclinic and the first member of a larger homologous series Cs4[Bi2n+4Te3n+6] that exhibits unconventional superconductivity, suggesting that proper doping of the homologous series may create a novel class of superconductors from semiconductors.

AB - Superconductivity was discovered in the narrow-gap semiconductor CsBi 4Te6. A superconducting transition around 4.4 K was observed for p-type samples in temperature-dependent resistivity and magnetic susceptibility data. Stoichiometric CsBi4Te6 is not a superconductor. A remarkably high critical field of ∼10 T was estimated from the field-dependent resistivity data. The strongly anisotropic CsBi 4Te6 system is monoclinic and the first member of a larger homologous series Cs4[Bi2n+4Te3n+6] that exhibits unconventional superconductivity, suggesting that proper doping of the homologous series may create a novel class of superconductors from semiconductors.

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Superconductivity in the narrow-gap semiconductor CsBi₄Te ₆

Abstract

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