AC Microcalorimetry of Superconducting MgCNi_3 Single Crystals

• Authors: J. Kačmarčík , Z. Pribulová , P. Samuely , C. Marcenat , T. Klein , D. Jang , H. Lee , H. Lee , S. Lee
• Languages of publication: EN

Abstracts

EN

The low-temperature specific heat of single-crystal samples of superconducting MgCNi_3 with typical dimensions 200 μm were measured for the first time. A computer controlled ac microcalorimeter using an optical fiber and an infrared light-emitting diode as the heat source was used down to 2 K at magnetic fields up to 8 T. The specific heat data suggest a moderate coupling in MgCNi_3.

Keywords

EN

74.70.Ad; 74.25.Bt

Discipline

• 74.25.Bt: Thermodynamic properties
• 74.70.Ad: Metals; alloys and binary compounds (including A15, MgB2, etc.)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2008
• Volume: 113
• Issue: 1
• Pages: 363-366

Dates

published

2008-01

received

2007-07-09

Contributors

author

J. Kačmarčík

• Centre of Low Temperature Physics IEP SAS &FS UPJŠ, Watsonova 47, 040 01 Košice, Slovakia

author

Z. Pribulová

• Centre of Low Temperature Physics IEP SAS &FS UPJŠ, Watsonova 47, 040 01 Košice, Slovakia

author

P. Samuely

• Centre of Low Temperature Physics IEP SAS &FS UPJŠ, Watsonova 47, 040 01 Košice, Slovakia

author

C. Marcenat

• CEA-Grenoble, Département de Recherche Fondamental, sur la Matière Condensée, 38054 Grenoble Cedex 9, France

author

T. Klein

• Institut Néel, CNRS, BP166 38042 Grenoble Cedex 9, France

author

D. Jang

• NCRICS and Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea

author

H. Lee

• NCRICS and Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea

author

H. Lee

• NCRICS and Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea

author

S. Lee

• NCRICS and Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea

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Identifiers

DOI

10.12693/APhysPolA.113.363