4.4 Article

Sidewall depletion in nano-patterned LAO/STO heterostructures

Journal

AIP ADVANCES
Volume 6, Issue 3, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.4943401

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Funding

  1. European Commission [NMP3-LA-2010-246102]
  2. DFG [SFB 762]

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We have investigated the conductance of nanostructures fabricated from the quasitwo-dimensional electron gas (q2DEG) formed at the LaAlO3/SrTiO3 ( LAO/STO) interface. Measurements were done at room temperature and at T=4.2 K. Our findings show that the fully industry compatible nano- patterning process conserves the conductivity except for a small temperature dependent sidewall depletion which we attribute to etch damage induced by the dry etching process. (c) 2016 Author(s).

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