Please use this identifier to cite or link to this item: http://hdl.handle.net/10995/103133
Title: Electronic, magnetic and galvanomagnetic properties of Co-based Heusler alloys: Possible states of a half-metallic ferromagnet and spin gapless semiconductor
Authors: Semiannikova, A. A.
Perevozchikova, Y. A.
Irkhin, V. Y.
Marchenkova, E. B.
Korenistov, P. S.
Marchenkov, V. V.
Issue Date: 2021
Publisher: American Institute of Physics Inc.
Citation: Electronic, magnetic and galvanomagnetic properties of Co-based Heusler alloys: Possible states of a half-metallic ferromagnet and spin gapless semiconductor / A. A. Semiannikova, Y. A. Perevozchikova, V. Y. Irkhin, et al. — DOI 10.1063/9.0000118 // AIP Advances. — 2021. — Vol. 11. — Iss. 1. — 015139.
Abstract: Parameters of the energy gap and, consequently, electronic, magnetic and galvanomagnetic properties in different X2YZ Heusler alloys can vary quite strongly. In particular, half-metallic ferromagnets (HMFs) and spin gapless semiconductors (SGSs) with almost 100% spin polarization of charge carriers are promising materials for spintronics. The changes in the electrical, magnetic and galvanomagnetic properties of the Co2YSi (Y = Ti, V, Cr, Mn, Fe) and Co2MnZ Heusler alloys (Z = Al, Si, Ga, Ge) in possible HMF- and/or SGS-states were followed and their interconnection was established. Significant changes in the values of the magnetization and residual resistivity were found. At the same time, the correlations between the changes in these electronic and magnetic characteristics depending on the number of valence electrons and spin polarization are observed. © 2021 Author(s).
Keywords: CARRIER MOBILITY
FERROMAGNETIC MATERIALS
FERROMAGNETISM
MAGNETS
SEMICONDUCTING GERMANIUM
SILICON
SPIN POLARIZATION
CO BASED
GALVANOMAGNETIC PROPERTIES
HALF METALLIC FERROMAGNETS
HEUSLER ALLOYS
MAGNETIC CHARACTERISTIC
RESIDUAL RESISTIVITY
VALENCE ELECTRON
COBALT ALLOYS
URI: http://hdl.handle.net/10995/103133
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85099912633
PURE ID: 20902602
1f9e8a68-b8b2-4a38-b509-4b5f421baaf1
ISSN: 21583226
DOI: 10.1063/9.0000118
metadata.dc.description.sponsorship: The work was performed within the framework of the state assignment of the Ministry of Science and Higher Education of Russia (the themes “Spin,” No. AAAA-A18-118020290104-2-2 and “Quantum” No. AAAA-A18-118020190095-4) with partial support from the RFBR (projects No. 18-02-00739 and 20-32-90065) and the Government of the Russian Federation (Decree No. 211, Contract No. 02.A03.21.0006).
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