Superconductivity in M7 Re13 X ( M = W, Mo, X = B, C ) compounds

K. Kawashima; A. Kawano; T. Muranaka; J. Akimitsu

doi:10.1016/j.physb.2006.01.489

Superconductivity in M₇ Re₁₃ X ( M = W, Mo, X = B, C ) compounds

K. Kawashima, A. Kawano, T. Muranaka, J. Akimitsu

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

12 Citations (Scopus)

Abstract

We discovered a series of new superconductors, M₇ Re₁₃ X ( M = W, Mo, X = B, C ), and discussed their superconducting properties. M₇ Re₁₃ X ( M = W, Mo, X = B, C ) has a β-Mn-type (Cubic, P₄ 132) structure. The T_c values are 7.1 K for W₇ Re₁₃ B, 7.3 K for W₇ Re₁₃ C, 8.3 K for Mo₇ Re₁₃ B and 8.1 K for Mo₇ Re₁₃ C. The magnetization vs. magnetic field curve showed type-II superconducting behavior. These superconductors can be described as strong coupling regime and Re orbital is mainly responsible for the superconductivity of these compounds.

Original language	English
Pages (from-to)	1118-1119
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	378-380
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.physb.2006.01.489
Publication status	Published - May 1 2006
Externally published	Yes

Keywords

Mo Re B
Mo Re C
Superconductivity
W Re B
W Re C
β-Mn-type

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1016/j.physb.2006.01.489

Cite this

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title = "Superconductivity in M7 Re13 X ( M = W, Mo, X = B, C ) compounds",

abstract = "We discovered a series of new superconductors, M7 Re13 X ( M = W, Mo, X = B, C ), and discussed their superconducting properties. M7 Re13 X ( M = W, Mo, X = B, C ) has a β-Mn-type (Cubic, P4 132) structure. The Tc values are 7.1 K for W7 Re13 B, 7.3 K for W7 Re13 C, 8.3 K for Mo7 Re13 B and 8.1 K for Mo7 Re13 C. The magnetization vs. magnetic field curve showed type-II superconducting behavior. These superconductors can be described as strong coupling regime and Re orbital is mainly responsible for the superconductivity of these compounds.",

keywords = "Mo Re B, Mo Re C, Superconductivity, W Re B, W Re C, β-Mn-type",

author = "K. Kawashima and A. Kawano and T. Muranaka and J. Akimitsu",

note = "Funding Information: This work was partially supported by a Grant-in-Aid for Science Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan, and the 21st COE Program.",

year = "2006",

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doi = "10.1016/j.physb.2006.01.489",

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T1 - Superconductivity in M7 Re13 X ( M = W, Mo, X = B, C ) compounds

AU - Kawashima, K.

AU - Kawano, A.

AU - Muranaka, T.

AU - Akimitsu, J.

N1 - Funding Information: This work was partially supported by a Grant-in-Aid for Science Research from the Ministry of Education, Culture, Sports, Science and Technology, Japan, and the 21st COE Program.

PY - 2006/5/1

Y1 - 2006/5/1

N2 - We discovered a series of new superconductors, M7 Re13 X ( M = W, Mo, X = B, C ), and discussed their superconducting properties. M7 Re13 X ( M = W, Mo, X = B, C ) has a β-Mn-type (Cubic, P4 132) structure. The Tc values are 7.1 K for W7 Re13 B, 7.3 K for W7 Re13 C, 8.3 K for Mo7 Re13 B and 8.1 K for Mo7 Re13 C. The magnetization vs. magnetic field curve showed type-II superconducting behavior. These superconductors can be described as strong coupling regime and Re orbital is mainly responsible for the superconductivity of these compounds.

AB - We discovered a series of new superconductors, M7 Re13 X ( M = W, Mo, X = B, C ), and discussed their superconducting properties. M7 Re13 X ( M = W, Mo, X = B, C ) has a β-Mn-type (Cubic, P4 132) structure. The Tc values are 7.1 K for W7 Re13 B, 7.3 K for W7 Re13 C, 8.3 K for Mo7 Re13 B and 8.1 K for Mo7 Re13 C. The magnetization vs. magnetic field curve showed type-II superconducting behavior. These superconductors can be described as strong coupling regime and Re orbital is mainly responsible for the superconductivity of these compounds.

KW - Mo Re B

KW - Mo Re C

KW - Superconductivity

KW - W Re B

KW - W Re C

KW - β-Mn-type

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