Cryogenic Piezoforce Microscopy of Sketched LaAlO<sub>3</sub>/SrTiO<sub>3</sub> Nanostructures
ORAL
Abstract
It is possible to reveal otherwise hidden electronic properties in 2D oxide interfaces, namely LaAlO3/SrTiO3, by using local probes instead of traditional bulk measurements. For example, scanning single electron transistor microscopy has shown enhanced transport along ferroelastic domain boundaries [1]. Furthermore, Frenkel et al. have demonstrated that the local application of pressure to the interface of LaAlO3/SrTiO3 can reveal ferroelastic domain boundaries [2]. Here we detail our efforts to reveal electron transport in “sketched” LaAlO3/SrTiO3 nanostructures [3] using a modified vacuum AFM at room and low (T < 25 K) temperatures.
[1] M. Honig et al., Nature Materials 12, 1112 (2013).
[2] Y. Frenkel et al., Nature Materials 16, 1203 (2017).
[3] C. Cen et al., Nature Materials 7, 298 (2008).
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Presenters
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Joseph Albro
Univ of Pittsburgh, Department of Physics and Astronomy, University of Pittsburgh
Authors
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Joseph Albro
Univ of Pittsburgh, Department of Physics and Astronomy, University of Pittsburgh
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Jessica Montone
Department of Physics and Astronomy, University of Pittsburgh, Physics, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign
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Feng Bi
Department of Physics and Astronomy, University of Pittsburgh
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Mengchen Huang
Department of Physics and Astronomy, University of Pittsburgh, Physics, University of California-Santa Barbara
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Jung-Woo Lee
Univ of Wisconsin-Madison, Materials Science and Engineering, University of Wisconsin-Madison, Department of Materials Science and Engineering, University of Wisconsin-Madison, University of Wisconsin–Madison, Department of Materials Science and Engineering, University of Wisconsin at Madison
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Hyungwoo Lee
Department of Materials Science and Engineering, University of Wisconsin-Madison, University of Wisconsin–Madison
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Chang-Beom Eom
Univ of Wisconsin-Madison, Materials Science and Engineering, University of Wisconsin-Madison, University of Wisconsin–Madison, Department of Materials Science and Engineering, University of Wisconsin-Madison, Materials Science & Engineering, University of Wisconsin-Madison, University of Wisconsin - Madison, Department of Materials Science and Engineering, University of Wisconsin - Madison, Department of Materials Science and Engineering, University of Wisconsin at Madison
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Patrick Irvin
Univ of Pittsburgh, Physics & Astronomy, University of Pittsburgh, Department of Physics and Astronomy, University of Pittsburgh, Physics and Astronomy, University of Pittsburgh
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Jeremy Levy
Univ of Pittsburgh, Physics & Astronomy, University of Pittsburgh, Department of Physics and Astronomy, University of Pittsburgh, Physics and Astronomy, University of Pittsburgh