期刊
SOLID STATE COMMUNICATIONS
卷 152, 期 24, 页码 2147-2150出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2012.09.013
关键词
Ti2CoSn; Density of states theory; Electronic structure; Magnetic properties
资金
- Romanian Ministry of Education Research, Youth and Sport [PNII IDEI 75/2011, PN09-450103]
The half-metallic properties of Ti2CoSn full-Heusler compound is studied within the framework of the density of states theory with the Perdew Burke Ernzerhof generalized gradient approximation (GGA). Structural optimization was performed and the calculated equilibrium lattice constant is 6.340 angstrom. The spin up band of compound has metallic character and spin down band is semiconducting with an indirect gap of 0.598 eV at equilibrium lattice constant. For the lattice parameter, ranging from 6.193 to 6.884 angstrom the compound presents 100% spin polarization and a total magnetic moment of 3 mu(B). (C) 2012 Elsevier Ltd. All rights reserved.
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