Cluster spin glass in off-stoichiometric Ni.sub.2.01./sub.Mn.sub.1.58./sub.Sn.sub.0.41./sub. alloy

0575202 - FZÚ 2024 RIV GB eng J - Článek v odborném periodiku
Kaštil, Jiří - Kamarád, Jiří - Friák, Martin - Míšek, Martin - Dutta, Utpal - Král, Petr - Kaman, Ondřej - Arnold, Zdeněk
Cluster spin glass in off-stoichiometric Ni_2.01Mn_1.58Sn_0.41 alloy.
Intermetallics. Roč. 161, Oct (2023), č. článku 107995. ISSN 0966-9795. E-ISSN 1879-0216
Grant CEP: GA ČR(CZ) GA20-16130S; GA MŠMT(CZ) EF16_019/0000760; GA MŠMT LM2023065
Grant ostatní: OP VVV - SOLID21(XE) CZ.02.1.01/0.0/0.0/16_019/0000760
Výzkumná infrastruktura: e-INFRA CZ - 90140
Institucionální podpora: RVO:68378271 ; RVO:68081723
Klíčová slova: spin-glass * magnetic AC susceptibility * electrical resistivity * Heusler alloy * quantum-mechanical calculation
Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.); Condensed matter physics (including formerly solid state physics, supercond.) (UFM-A)
Impakt faktor: 4.4, rok: 2022
Způsob publikování: Omezený přístup
https://doi.org/10.1016/j.intermet.2023.107995

The measurement of AC magnetic susceptibility of the Ni2.01Mn1.58Sn0.41 alloy confirmed spin-glass state below 155 K and a presence of clusters (11nm3 in size) with strong mutual interaction. The alloy shows anomalous Hall effect that changes it's sign at around 140 K. The electrical resistance of the alloy exhibits a flat maximum at spin-glass transition temperature. The results of the quantum-mechanical calculations of magnetization of the alloy well agree with experiments.
Trvalý link: https://hdl.handle.net/11104/0345041