期刊
PHYSICAL REVIEW B
卷 87, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.87.195116
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资金
- 973 Projects of China [2011CB922101]
- NSFC [11004027, 11274060]
- NCET
- RFDP
- National Science Foundation [DMR-1104386]
- US DOE, Office of Basic Energy Sciences, Materials Sciences and Engineering Division
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1104386] Funding Source: National Science Foundation
The emergence of magnetic reconstructions at the interfaces of oxide heterostructures are often explained via subtle modifications in the electronic densities, exchange couplings, or strain. Here, an additional possible route for induced magnetism is studied in the context of the (LaNiO3)(n) /(LaMnO3)(n) superlattices using a hybrid tightbinding model. In the LaNiO3 region, the induced magnetizations decouple from the intensity of charge leakage from Mn to Ni, but originate from the spin-filtered quantum confinement present in these nanostructures. In general, the induced magnetization is the largest for the (111)-stacking and the weakest for the (001)-stacking superlattices; results compatible with the exchange bias effects reported byGibert et al.
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