High field magneto-transport in two-dimensional electron gas LaAlO<inf>3</inf>/SrTiO<inf>3</inf>
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2016Access:
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Yang M, Han K, Torresin O, Pierre M, Zeng S, Huang Z, Venkatesan T.V, Goiran M, Coey J.M.D, Ariand, Escoffier W, High field magneto-transport in two-dimensional electron gas LaAlO<inf>3</inf>/SrTiO<inf>3</inf>, Applied Physics Letters, 109, 12, 2016, 122106-Download Item:
Abstract:
The transport properties of the complex oxide LaAlO
3
/SrTiO
3
interface are investigated under a
high magnetic field (55 T). Small oscillations of the magnetoresistance with altered periodicity are
observed when plotted versus the inverse magnetic field. We attribute this effect to Rashba
spin-orbit coupling which remains consistent with large negative magnetoresistance when the field
is parallel to the sample plane. A large inconsistency between the carrier density extracted from
Shubnikov-de Haas analysis and from the Hall effect is explained by the contribution to transport
of at least two bands with different mobilities.
Author's Homepage:
http://people.tcd.ie/jcoeyhttp://people.tcd.ie/venkatem
Author: COEY, JOHN; VENKATESAN, MUNUSWAMY
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Applied Physics Letters109
12
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http://dx.doi.org/10.1063/1.4963234Metadata
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