Theoretical investigation of magnetic, electronic and optical properties of orthorhombic YFeO3: A first-principle study

Theoretical investigation of magnetic, electronic and optical properties of orthorhombic YFeO3: A first-principle study
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斜方晶系 YFeO3 磁、电子和光学性质的理论研究:第一性原理研究

DOI:
10.1016/j.mssp.2015.02.015
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发表时间:
2015-06
影响因子:
4.1
通讯作者:
Wei, X. L.
Wei, X. L.
中科院分区:
工程技术3区
文献类型:
--
作者:
Hu, C.;Yang, W. L.;Liu, H. C.;Wei, X. L.

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First-principle calculations have been performed to investigate the electronic structure, and magnetic and optical properties of thePnmaorthorhombic YFeO3. Also the optimal lattice constants ofPnmaorthorhombic YFeO3are determined using the generalized gradient approximation (GGA) and GGA+Uframeworks with the CASTEP-code. Several magnetic configurations are considered, and the G-type antiferromagnetic state is found to be the ground state with a reduced magnetic moment on Fe3+as observed in YFeO3. The reflectivity, absorption, dielectric function, refractive index, extinction coefficient and electron energy loss are calculated to gain a complete description of the optical properties of YFeO3. The calculated absorption of YFeO3is in agreement with the experimental values.
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