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dc.contributor.authorÅsland, Anna Cecilie
dc.contributor.authorBakkelund, Johannes
dc.contributor.authorThingstad, Even
dc.contributor.authorRøst, Håkon
dc.contributor.authorCooil, Simon Phillip
dc.contributor.authorHu, Jinbang
dc.contributor.authorVobornik, Ivana
dc.contributor.authorFujii, Jun
dc.contributor.authorSudbø, Asle
dc.contributor.authorWells, Justin William
dc.contributor.authorMazzola, Federico
dc.description.abstractVicinal surfaces of bismuth are unique test beds for investigating one-dimensional (1D) spin-polarized surface states that may one day be used in spintronic devices. In this paper, such states have been observed for the (112) surface when measured using angle- and spin-resolved photoemission spectroscopy, and also when calculated using a tight-binding model and with density functional theory. The surface states appear as elongated Dirac-cones which are 1D and almost dispersionless in the k y direction, but disperse with energy in the orthogonal k x direction to form two × -like features centered at the k y line through ¯¯¯ Γ . Unlike many materials considered for spintronic applications, their 1D nature suggests that conductivity and spin-transport properties are highly dependent on direction. The spin polarization of the surface states is mainly in plane and parallel to the 1D states, but there are signs of a tilted out-of-plane spin-vector component for one of the features. The Bi(112) surface states resemble those found for other vicinal surfaces of bismuth, strongly indicating that their existence and general properties are robust properties of vicinal bismuth surfaces. Furthermore, differences in the details of the states, particularly related to their spin polarization, suggest that the electronic band structure may be engineered simply by precise cutting and polishing of the crystal.en_US
dc.description.abstractOne-dimensional spin-polarized surface states: A comparison of Bi(112) with other vicinal bismuth surfacesen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleOne-dimensional spin-polarized surface states: A comparison of Bi(112) with other vicinal bismuth surfacesen_US
dc.title.alternativeOne-dimensional spin-polarized surface states: A comparison of Bi(112) with other vicinal bismuth surfacesen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.source.journalPhysical review B (PRB)en_US
dc.relation.projectNorges forskningsråd: 323766en_US
dc.relation.projectNorges forskningsråd: 262633en_US

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Navngivelse 4.0 Internasjonal
Except where otherwise noted, this item's license is described as Navngivelse 4.0 Internasjonal