Ni2NbSn Heusler ferromagnetic superconductor: Magneto-structural and transport characterisation

被引：1
|
作者：
Nalevanko, Samuel [1 ,2 ]
Kacmarcik, Jozef [3 ]
Galdun, Ladislav [1 ]
Dzubinska, Andrea [1 ]
Varga, Michal [5 ]
Sucik, Gabriel [5 ]
Diko, Pavel [6 ]
Reiffers, Marian [4 ]
Varga, Rastislav [1 ]
机构：
[1] UPJS, CPM TIP, Trieda SNP 1, Kosice 04001, Slovakia
[2] UPJS, Fac Sci, Inst Phys, Pk Angelinum 9, Kosice, Slovakia
[3] Inst Expt Phys SAS, Ctr Low Temp Phys, Kosice, Slovakia
[4] Presov Univ, Hum & Nat Sci, Ul 17 Novembra 1, Presov 08156, Slovakia
[5] Fac Mat Met & Recycling, TUKE, Letna 9, Kosice 04200, Slovakia
[6] Inst Expt Phys SAS, Dept Mat Phys, Kosice, Slovakia
来源：
INTERMETALLICS | 2024年 / 167卷
关键词：
Superconductivity; Ferromagnetism; Heusler alloys; ALLOYS; GA;
D O I：
10.1016/j.intermet.2024.108231
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This work presents the preparation and characterisation of the multifunctional Ni2NbSn Heusler alloy. The alloy was prepared using arc melting in the form of an ingot showing an L21 Heusler structure. The resistance measurements confirmed the superconductive character of the Ni2NbSn alloy with the critical temperature of TSC = 3.00 K and the upper critical magnetic field of mu 0HSC = 0.69 T. Magnetic measurements confirmed strong diamagnetic contribution arising from the superconducting state and the additional ferromagnetic contribution observable below 13 K. The coexistence of superconductivity and ferromagnetism in Ni2NbSn Heusler alloy may give rise to new applications based on magnetic shielding or electromagnetic invisibility.
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页数：7
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