High Curie temperature in halfmetallic ferromagnets (Zn, Cr, Ti)Se and (Zn, Cr, 
Ti)Te for spintronic devices: Ab initio and Monte Carlo treatments

Bouziani, I; Benhouria, Y.; Essaoudi, I; Ainane, Abdelmajid; Ahuja, R.

doi:10.1016/j.mseb.2019.114484

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High Curie temperature in halfmetallic ferromagnets (Zn, Cr, Ti)Se and (Zn, Cr, Ti)Te for spintronic devices: Ab initio and Monte Carlo treatments

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Ainane, Abdelmajid
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Bouziani, I., Benhouria, Y., Essaoudi, I., Ainane, A., & Ahuja, R. (2020). High Curie temperature in halfmetallic ferromagnets (Zn, Cr, Ti)Se and (Zn, Cr, Ti)Te for spintronic devices: Ab initio and Monte Carlo treatments. Materials Science and Engineering B, 253: 114484. doi:10.1016/j.mseb.2019.114484.

Cite as: https://hdl.handle.net/21.11116/0000-0006-3F06-E

Abstract

The current study is purposed to investigate the magnetic- and electronic-properties of Zn1-2xCrxTixSe and Zn1-2xCrxTixTe systems by means of Ab initio and Monte Carlo calculations. We have predicted that the two systems show ferromagnetic halfmetallic behavior with 100% spin polarization at the Fermi level and their ferromagnetic stability is attributed to the double exchange coupling. Our calculations suggest further that these compounds exhibit a 2nd order ferromagnetic transition with high Curie temperature. Thus, (Zn, Cr, Ti)Se and (Zn, Cr, Ti)Te compounds are strong candidates for spintronic devices, especially for magnetic random access memories (MRAM) based on the spin transfer torque.