Journal
PHYSICAL REVIEW B
Volume 88, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.88.041302
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Funding
- Welch Foundation [TBF1473]
- National Science Foundation [DMR-1122603]
- US AFOSR [FA9950-10-1-0133]
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Using qualitative considerations based on a two-center approximation for tight-binding-model matrix elements, we demonstrate that Rashba interactions in complex-oxide two-dimensional electron gases are due primarily to changes in metal-oxygen-metal bond angles at surfaces and interfaces. We verify this conclusion by comparing our picture with illustrative ab initio electronic structure calculations.
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