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Accession Number
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DE2012-1045807
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Title
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Shubnikow-de Haas Oscillations in the Bulk Rashba Semiconductor BiTeI.
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Publication Date
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Jul 2012
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Media Count
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11p
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Personal Author
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C. Bell H. Murakawa H. Y. Hwang J. G. Checkelsky M. S. Bahramy N. Nagaosa R. Arita Y. Kaneko Y. Onose Y. Tokura
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Abstract
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Bulk magnetoresistance quantum oscillations are observed in high quality single crystal samples of BiTeI. This compound shows an extremely large internal spin-orbit coupling, associated with the polarity of the alternating Bi, Te, and I layers perpendicular to the c-axis. The corresponding areas of the inner and outer Fermi surfaces around the A-point show good agreement with theoretical calculations, demonstrating that the intrinsic bulk Rashba-type splitting is nearly 360 meV, comparable to the largest spin-orbit coupling generated in heterostructures and at surfaces.
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Keywords
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Coupling
Fermi level
Magnetoresistance
Monocrystals
Oscillations
Polarity
Spin
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Source Agency
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Technical Information Center Oak Ridge Tennessee
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NTIS Subject Category
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46 - Physics
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Corporate Author
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Stanford Linear Accelerator Center, CA.
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Document Type
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Technical report
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Title Note
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N/A
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NTIS Issue Number
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1226
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Contract Number
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DE-AC02-76SF00515
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