التفاصيل البيبلوغرافية
| العنوان: |
Magnetic, Optoelectronic, and Thermodynamic Properties of Sr2CrXO6 (X = La and Y): Half-Metallic and Ferromagnetic Behavior. |
| المؤلفون: |
Haid, Slimane, Bouadjemi, Bouabdellah, Bentata, Samir, Lantri, Tayeb, Zitouni, Ali, Aziz, Zoubir, Çoruh, Ali, Bouhafs, Bachir |
| المصدر: |
Journal of Superconductivity & Novel Magnetism; Dec2018, Vol. 31 Issue 12, p3965-3979, 15p |
| مصطلحات موضوعية: |
STRONTIUM compounds, THERMODYNAMICS, OPTOELECTRONICS, MAGNETIC properties, FERROMAGNETISM, SPINTRONICS |
| مستخلص: |
The effects of spin polarization on the structure, magnetic, and optoelectronic properties of Cr-based series of double perovskites Sr2CrXO6 (X = La and Y) have been studied by using the full-potential linearized augmented plane-wave method (FP-LAPW), based on the density functional theory (DFT) as implemented in the Wien2k code, within the generalized gradient approximation (GGA), GGA + U, and GGA plus Trans-Blaha-modified Becke-Johnson (TB-mBJ) as the exchange correlation. Our results show a similar half-metallic ferromagnetic ground state for both materials. From the electronic properties, it is found that Sr2CrYO6 has a direct band gap at (Γ-Γ) direction and Sr2CrLaO6 has an indirect band gap at (Γ-W) direction. Furthermore, we have computed the optic and thermodynamic properties which are investigated for the first time. Consequently, the magnetic, optoelectronic, and thermodynamic properties show these compounds are promising for high technological applications, namely spintronic materials. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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