期刊
APL MATERIALS
卷 2, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4863786
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资金
- InterPhase program of the Stichting Fundamenteel Onderzoek der Materie (FOM)
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)
- Marie Curie IIF grant
We have performed high field magnetotransport measurements to investigate the interface electron gas in a high mobility SrTiO3/SrCuO2/LaAlO3/SrTiO3 heterostructure. Shubnikov-de Haas oscillations reveal several 2D conduction subbands with carrier effective masses of 0.9m(e) and 2m(e), quantum mobilities of order 2000 cm(2)/V s, and band edges only a few millielectronvolts below the Fermi energy. Measurements in tilted magnetic fields confirm the 2D character of the electron gas, and show evidence of inter-subband scattering. (C) 2014 Author(s).
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