Magnetic field dependence of the low-temperature specific heat of MgCNi3

Jiunn-Yuan Lin; H. D. Yang; C. Q. Jin

doi:10.1016/S0921-4534(02)02739-9

Magnetic field dependence of the low-temperature specific heat of MgCNi₃

Jiunn-Yuan Lin^*, H. D. Yang, C. Q. Jin

^*此作品的通信作者

物理研究所

研究成果: Conference article › 同行評審

2 引文斯高帕斯（Scopus）

摘要

The specific heat of a superconductor carries crucial signatures of its order parameter. The newly discovered superconductor MgCNi₃ is predicted to be unstable to ferromagnetism, and the symmetry of its order parameter symmetry is of current interest. To shed light on this issue, we have measured the low-temperature specific heat of MgCNi₃ in H. Careful analysis of the data suggests that γ(H) ∝ H. Together with other physical properties, the results imply that MgCNi₃ is a moderate-coupling BCS superconductor.

原文	English
頁（從 - 到）	559-560
頁數	2
期刊	Physica C: Superconductivity and its applications
卷	388-389
DOIs	https://doi.org/10.1016/S0921-4534(02)02739-9
出版狀態	Published - 5月 2003
事件	proceedings of the 23rd international conference on low temper - Hiroshima, Japan 持續時間: 20 8月 2002 → 27 8月 2002

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10.1016/S0921-4534(02)02739-9

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abstract = "The specific heat of a superconductor carries crucial signatures of its order parameter. The newly discovered superconductor MgCNi3 is predicted to be unstable to ferromagnetism, and the symmetry of its order parameter symmetry is of current interest. To shed light on this issue, we have measured the low-temperature specific heat of MgCNi3 in H. Careful analysis of the data suggests that γ(H) ∝ H. Together with other physical properties, the results imply that MgCNi3 is a moderate-coupling BCS superconductor.",

keywords = "MgCNi, Order parameter, Specific heat, The mixed state",

author = "Jiunn-Yuan Lin and Yang, {H. D.} and Jin, {C. Q.}",

year = "2003",

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T1 - Magnetic field dependence of the low-temperature specific heat of MgCNi3

AU - Lin, Jiunn-Yuan

AU - Yang, H. D.

AU - Jin, C. Q.

PY - 2003/5

Y1 - 2003/5

N2 - The specific heat of a superconductor carries crucial signatures of its order parameter. The newly discovered superconductor MgCNi3 is predicted to be unstable to ferromagnetism, and the symmetry of its order parameter symmetry is of current interest. To shed light on this issue, we have measured the low-temperature specific heat of MgCNi3 in H. Careful analysis of the data suggests that γ(H) ∝ H. Together with other physical properties, the results imply that MgCNi3 is a moderate-coupling BCS superconductor.

AB - The specific heat of a superconductor carries crucial signatures of its order parameter. The newly discovered superconductor MgCNi3 is predicted to be unstable to ferromagnetism, and the symmetry of its order parameter symmetry is of current interest. To shed light on this issue, we have measured the low-temperature specific heat of MgCNi3 in H. Careful analysis of the data suggests that γ(H) ∝ H. Together with other physical properties, the results imply that MgCNi3 is a moderate-coupling BCS superconductor.

KW - MgCNi

KW - Order parameter

KW - Specific heat

KW - The mixed state

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U2 - 10.1016/S0921-4534(02)02739-9

DO - 10.1016/S0921-4534(02)02739-9

M3 - Conference article

AN - SCOPUS:0037799877

SN - 0921-4534

VL - 388-389

SP - 559

EP - 560

JO - Physica C: Superconductivity and its applications

JF - Physica C: Superconductivity and its applications

T2 - proceedings of the 23rd international conference on low temper

Y2 - 20 August 2002 through 27 August 2002

ER -

Magnetic field dependence of the low-temperature specific heat of MgCNi3

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Magnetic field dependence of the low-temperature specific heat of MgCNi₃