Home > Publications database > High temperature conductance characteristics of LaAlO3/SrTiO3-heterostructures under equilibrium oxygen atmospheres > print |
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024 | 7 | _ | |a 10.1063/1.3457386 |2 DOI |
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084 | _ | _ | |2 WoS |a Physics, Applied |
100 | 1 | _ | |a Gunkel, F. |b 0 |u FZJ |0 P:(DE-Juel1)130677 |
245 | _ | _ | |a High temperature conductance characteristics of LaAlO3/SrTiO3-heterostructures under equilibrium oxygen atmospheres |
260 | _ | _ | |a Melville, NY |b American Institute of Physics |c 2010 |
300 | _ | _ | |a 012103 |
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440 | _ | 0 | |a Applied Physics Letters |x 0003-6951 |0 562 |y 1 |v 97 |
500 | _ | _ | |a Record converted from VDB: 12.11.2012 |
520 | _ | _ | |a The interface conductance of LaAlO3/SrTiO3 heterostructures was investigated under high temperature oxygen equilibrium. The dependence of the heterostructure's conductance on oxygen partial pressure (from 10(-22) to 1 bar) and temperature (800 to 1100 K) was compared to the characteristic of SrTiO3 single crystals, which is described in terms of a defect chemistry model. Up to 950 K the equilibrated heterostructures reveal an additional influence of a metallic-like conduction path with a very slight dependence on the oxygen partial pressure. Donor-type interface states which may result from either lattice distortions or A-site cation intermixing during processing are discussed as a possible origin for the exceptional interface conduction of LaAlO3/SrTiO3 heterostructures. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3457386] |
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773 | _ | _ | |a 10.1063/1.3457386 |g Vol. 97, p. 012103 |p 012103 |q 97<012103 |0 PERI:(DE-600)1469436-0 |t Applied physics letters |v 97 |y 2010 |x 0003-6951 |
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