Volume 142, Number 2, April 2023
|Number of page(s)||7|
|Section||Condensed matter and materials physics|
|Published online||19 April 2023|
Two-fold anisotropic superconducting state in topological superconductor Sn4Au
1 Academy of Scientific Innovative Research (AcSIR) - Ghaziabad-201002, India
2 CSIR- National Physical Laboratory - New Delhi-110012, India
3 School of Physical Sciences, Jawaharlal Nehru University - New Delhi-110067, India
4 Ramjas College - New Delhi-110007, India
(a) E-mail: firstname.lastname@example.org (corresponding author)
(b) E-mail: email@example.com
Received: 16 January 2023
Accepted: 30 March 2023
Here we report the anisotropic magnetotransport properties in the superconducting state of a Sn4Au single crystal. The Sn4Au single crystal is synthesized through an easy melt growth method. Superconducting properties are evidenced from resistivity vs. temperature (ρ-T) and DC magnetization measurements. Isothermal magnetization measurements (M-H) hint toward type-II superconductivity in Sn4Au. In-plane and out-of-plane ρ-H measurements show anisotropic behavior of the upper critical field at temperatures below superconducting transition (Tc = 2.3 K). The observed anisotropy is more elucidated in ρ-H measurements performed below at different tilt angles. The anisotropy parameter is found to be 1.26. The observed results show the presence of a two-fold anisotropic superconducting state in the Sn4Au single crystal, which may be induced due to the layered structure of the synthesized Sn4Au single crystal.
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