期刊
APPLIED PHYSICS LETTERS
卷 103, 期 19, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4827818
关键词
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资金
- NSFNRI supplement as part of NSF MRSEC [DMR-0213985, NSF CHE-1012850]
We present a theoretical investigation of the electronic and magnetic structure of spinel CdCr2Te4 using density functional theory, its extensions via onsite Hubbard U interactions, and a screened-hybrid-functional exchange potential. We find that the ground state is semiconducting within the latter approach, and within this magnetic-semiconducting system, we compute the complex band structure, finding a slowly decaying evanescent (Delta) over tilde1 state possibly suitable for realizing a spin-dependent symmetry filter effect. (C) 2013 AIP Publishing LLC.
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