Ferromagnetic origin of Na and Mn codoped CaZn2As2 diluted magnetic semiconductor: A first-principles study
- Авторы: Hua L.1, Zhu J.N.1, Lu Z.T.1
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Учреждения:
- Nanjing Normal University Taizhou College
- Выпуск: Том 103, № 10 (2016)
- Страницы: 631-635
- Раздел: Condensed Matter
- URL: https://ogarev-online.ru/0021-3640/article/view/159360
- DOI: https://doi.org/10.1134/S0021364016100076
- ID: 159360
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Аннотация
We have investigated the electronic structure and magnetic properties of Na and Mn codoped CaZn2As2 using density functional theory within the generalized gradient approximation (GGA)+U schemes. We have shown that the ground state magnetic structure of Mn-doped CaZn2As2 is antiferromagnetic while holemediated Zener’s p–d exchange is responsible for the origin of ferromagnetism of Na and Mn codoped CaZn2As2.
Об авторах
L. Hua
Nanjing Normal University Taizhou College
Автор, ответственный за переписку.
Email: pjsd@163.com
Китай, Taizhou, 225300
J. Zhu
Nanjing Normal University Taizhou College
Email: pjsd@163.com
Китай, Taizhou, 225300
Z. Lu
Nanjing Normal University Taizhou College
Email: pjsd@163.com
Китай, Taizhou, 225300
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