...
首页> 外文期刊>Physica, B. Condensed Matter >Half-metallic ferromagnetic property of FeTiS2 based on first principles
【24h】

Half-metallic ferromagnetic property of FeTiS2 based on first principles

机译:基于第一原理的FeTiS2的半金属铁磁性能

获取原文
获取原文并翻译 | 示例
           

摘要

Based on density function theory and by using the full-potential linearized augmented plane-wave method within a generalized gradient approximation, the electronic properties of FexTiS2 (x = 1/4, 1/3, 1) have been calculated. The results show that FeTiS2 exhibits nearly half-metallic ferromagnetic character with about 100% carrier spin polarization around the E-F at the equilibrium lattice constant. When we change a and c with equal ratio, the half-metallic ferromagnetic property of FeTiS2 is maintained up in the range of 99-101% and 109-112% of its equilibrium lattice parameters. The half-metallic ferromagnetic property can also be found in Fe1/4TiS2 and Fe1/3TiS2 when their lattice parameters expand to 110-111% and 108-111% of equilibrium lattice constants, respectively. The spin up and spin down bands of the Fe-3d components show large splitting in FeTiS2. The magnetic moment of FeTiS2 per formula unit is 2.0 mu(B), most of which comes from the Fe atom.
机译:基于密度函数理论,并在广义梯度逼近内使用全电势线性化增强平面波方法,已计算出FexTiS2(x = 1 / 4、1 / 3、1)的电子性质。结果表明,在平衡晶格常数下,FeTiS2表现出接近半金属的铁磁特性,在E-F周围具有约100%的载流子自旋极化。当我们以相等的比例改变a和c时,FeTiS2的半金属铁磁性能保持在其平衡晶格参数的99-101%和109-112%的范围内。当Fe1 / 4TiS2和Fe1 / 3TiS2的晶格参数分别扩展到平衡晶格常数的110-111%和108-111%时,也可以在Fe1 / 4TiS2和Fe1 / 3TiS2中发现半金属铁磁特性。 Fe-3d组分的自旋向上和向下旋转带在FeTiS2中显示出大的分裂。每个配方单位的FeTiS2的磁矩为2.0μ(B),其中大部分来自Fe原子。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号