期刊
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
卷 31, 期 9, 页码 2789-2795出版社
SPRINGER
DOI: 10.1007/s10948-017-4532-4
关键词
Half-metal; Silicane; Spintronics; Doping; Ferromagnetism; First-principles calculation
资金
- National Science Foundation for Young Scientists of China [11704165]
- Science Foundation of Guizhou Science and Technology Department [QKHJZ[2015]2150]
- Science Foundation of Guizhou Provincial Education Department [QJHKYZ[2016]092]
- Science Foundation of Jinling Institute of Technology [40620064]
We perform a first-principle computation on the magnetic properties of 3d transition metal (TM)-doped silicane. All the substituted systems are energetically stable. Robust half-metallic properties are found in Ti-, V- and Mn-substituted silicane. At the dopant concentration of 12.5%, we evaluate that the Curie temperature of Ti- and Mn-substituted silicane is at 340 and 666 K respectively in the mean-field approximation. Consequently, room-temperature ferromagnetism is easily achievable in Ti- and Mn-substituted silicane. Our work demonstrates potential application of Ti and Mn-substituted silicane for room-temperature spintronic devices.
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