Electrotransport and magnetic properies of Cr-GaSb spintronic materials synthesized under high pressure
M. V. Kondrin, V. R. Gizatullin, S. V. Popova, A. G. Lyapin, V. V., Brazhkin, V. Y. Ivanov, A. A. Pronin, Y. B. Lebed, R. A. Sadykov
TL;DR
This study investigates the electrotarnsport and magnetic properties of novel Cr-GaSb phases synthesized under high pressure, revealing a ferromagnetic semiconductor phase promising for spintronic applications.
Contribution
It reports the synthesis and characterization of new Cr-GaSb phases with unique magnetic and electronic properties, including a ferromagnetic semiconductor phase.
Findings
Identification of a ferromagnetic, semiconducting CrGa₂Sb₂ phase
Discovery of a paramagnetic tetragonal phase
Potential application in spintronic devices
Abstract
Electrotarnsport and magnetic properties of new phases in the system Cr-GaSb were studied. The samples were prepared by high-pressure (P=6-8 GPa) high-temperature treatment and identified by x-ray diffraction and scanning electron microscopy (SEM). One of the CrGaSb phases with an orthorhombic structure has a combination of ferromagnetic and semiconductor properties and is potentially promising for spintronic applications. Another high-temperature phase is paramagnetic and identified as tetragonal .
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