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Yanwu Xie, Christopher Bell, Yasuyuki Hikita, Satoshi Harashima and Harold Y. Hwang Enhancing Electron Mobility at the LaAlO3/SrTiO3 Interface by Surface Control Advanced Materials 25

Version of Record online: 15 JUL 2013 | DOI: 10.1002/adma.201301798

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Mobility of electrons confined at the LaAlO3/SrTiO3 interface is significantly enhanced by surface control using surface charges and adsorbates, reaching a low temperature value more than 20 000 cm2 V−1s−1. A uniform trend that mobility increases with decreasing sheet carrier density is observed.

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