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cond-mat.mtrl-sci2010★ 201 cited
Built-in and induced polarization across LaAlO/SrTiO heterojunctions
Guneeta Singh-Bhalla, Christopher Bell, Jayakanth Ravichandran +6
Ionic crystals terminated at oppositely charged polar surfaces are inherently unstable and expected to undergo surface reconstructions to maintain electrostatic stability. Essentia…
cond-mat.mtrl-sci2010★ 115 cited
Charge writing at the LaAlO3/SrTiO3 surface
Yanwu Xie, Christopher Bell, Takeaki Yajima +2
Biased conducting-tip atomic force microscopy (AFM) has been shown to write and erase nanoscale metallic lines at the LaAlO3/SrTiO3 interface. Using various AFM modes, we show the…