Journal of the Physical Society of Japan, volume 85, issue 2, pages 24715
Type II/1 Superconductivity with Extremely HighHc3in Noncentrosymmetric LaRhSi3
Noriaki Kimura
1, 2
,
Noriyuki Kabeya
1, 2
,
Kohsuke Saitoh
1
,
Kazunori Satoh
1
,
Hajime Ogi
1
,
Kohki Ohsaki
1
,
Haruyoshi Aoki
1, 2
Publication type: Journal Article
Publication date: 2016-02-02
scimago Q2
SJR: 0.612
CiteScore: 3.4
Impact factor: 1.5
ISSN: 00319015, 13474073
General Physics and Astronomy
Abstract
We report the specific heat and ac magnetic susceptibility of noncentrosymmetric superconductor LaRhSi3. A first-order superconducting transition is observed in specific heat C under different magnetic field values. The C(T) values in zero-field-cooling and field-cooling processes become different at a magnetic field between 20 and 130 Oe. These results suggest that conversion from type-I to type-II/1 superconductivity is realized in LaRhSi3. The ac susceptibility indicates that surface superconductivity with an extremely high limiting field occurs probably due to the conversion temperature.
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