Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 897, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2021.163211
Keywords
Nanowires; Electrodeposition; Ferromagnetic shape memory effect; FORC; TFORC
Categories
Funding
- Slovak Grant Agency [APVV-17-0008, APVV-16-0079, APVV-19-0369, APVV-20-0205, APVV-20-0068, APVV-20-0138, VEGA 1/0053/19, VEGA 2/0171/19, VEGA 2/0013/19, PP-COVID-20-0025, VVGS-PF-2020-1420]
- Universidad Autonoma de Nuevo Leon (Mexico) [PAICYT2020-CE11337-20]
- Spanish MCINN [MCI-20-PID2019-108075RB-C32-MAT]
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This study presents the magnetic characterization of ferromagnetic Ni-Fe-Ga shape memory nanowires using temperature-dependent FORC analysis. The FORC analysis confirms the uniform and homogeneous nature of the nanowires array and supports the ferromagnetic shape memory behavior and structural transformation.
Magnetic characterization of ferromagnetic Ni-Fe-Ga shape memory nanowires using a temperature-dependent FORC analysis is shown. The hysteresis loops' shape indicates a magnetic anisotropy that is governed by the magnetostatic interaction among neighboring nanowires. FORC measurement proved that the Ni-Fe-Ga nanowires' array is a multi-domain and highly interacting system. The FORC analysis shows a minimal coercivity distribution that points to a uniform and homogeneous nanowires' array. The change of the vertical spread of the FORC distribution divergence at about 395 K supports the ferromagnetic shape memory behavior and the structural transformation of the presented nanowires. The previous results are also supported by a unique TFORC analysis, showing structural changes within the transformation temperature region. (C) 2021 Elsevier B.V. All rights reserved.
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