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Theoretical model for Rashba spin-orbit interaction in d electrons
dc.creator | Shanavas, K. V. | |
dc.creator | Popović, Zoran S. | |
dc.creator | Satpathy, Sashi | |
dc.date.accessioned | 2018-03-01T15:29:03Z | |
dc.date.available | 2018-03-01T15:29:03Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 1098-0121 | |
dc.identifier.issn | 1550-235X | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/146 | |
dc.description.abstract | We show that the Rashba spin-orbit interaction in d electron solids, which originates from the broken inversion symmetry at surfaces or interfaces, is strongly dependent on the orbital characters of the bands involved. This is studied by developing a tight-binding model in the presence of a uniform perpendicular electric field and spin-orbit coupling. We argue that for valence electrons, the spin-orbit coupling strength scales only as the square of the atomic number. The electric field distorts the d orbitals through the admixture of p and f states and also introduces intersite overlap parameters. Expressions for Rashba coefficients for the bands are obtained in both weak and strong spin-orbit interaction limits and are shown to be orbital dependent. The results are compared with first-principles calculations for model systems, showing good agreement. Our study demonstrates the orbital-dependent gate control of the Rashba effect for the purposes of oxide electronics. | en |
dc.relation | US Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-FG02-00ER45818] | |
dc.rights | restrictedAccess | en |
dc.source | Physical Review B: Condensed Matter and Materials Physics | en |
dc.title | Theoretical model for Rashba spin-orbit interaction in d electrons | en |
dc.type | article | en |
dcterms.abstract | Сатпатхy, С.; Поповиц, З. С.; Сханавас, К. В.; | |
dc.citation.volume | 90 | |
dc.citation.issue | 16 | |
dc.identifier.wos | 000342795100005 | |
dc.identifier.doi | 10.1103/PhysRevB.90.165108 | |
dc.citation.other | Article Number: 165108 | |
dc.citation.rank | M21 | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-84908032376 |