Nanomechanical Probes of Sketched LaAlO<sub>3</sub>/SrTiO<sub>3</sub> Single-Electron Transistors

ORAL

Abstract

Nanoscale devices that manipulate single electrons present an exciting platform for the observation of electronic and mechanical effects. By utilizing the locally tunable metal-insulator transition at the interface of LaAlO3/SrTiO3, we create single-electron transistors using conducting atomic force microscope (c-AFM) lithography. The piezoelectric nature of LaAlO3/SrTiO3 gives way to an expected coupling between mechanical motion and electric charge within the device. We test this effect by applying pressure to the device using an insulating AFM tip while measuring changes in electron density. I describe our efforts to perform nanomechanical imaging of conductive structures on LaAlO3/SrTiO3. I describe our method of performing imaging in a cryogenic AFM system, as many interesting properties of single-electron devices are observed at low temperatures.

*JL acknowledges support from the Vannevar Bush Faculty Fellowship program sponsored by the Basic Research Office of the Assistant Secretary of Defense for Research and Engineering and funded by the Office of Naval Research through grant N00014-15-1-2847. The work at University of Wisconsin-Madison was su

Presenters

  • Jessica Montone

    • University of Pittsburgh

Authors

  • Jessica Montone

    • University of Pittsburgh
  • Feng Bi

    • University of Pittsburgh
  • Mengchen Huang

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh
  • Jung-Woo Lee

    • Univ of Wisconsin-Madison
    • University of Wisconsin-Madison
    • University of Wisconsin
    • University of Wisconsin–Madison
    • Physics, University of Wisconsin–Madison
    • Department of Materials Science and Engineering, University of Wisconsin-Madison
  • Hyungwoo Lee

    • University of Wisconsin-Madison
    • Univ of Wisconsin-Madison
    • University of Wisconsin
    • University of Wisconsin–Madison
    • Department of Materials Science and Engineering, University of Wisconsin-Madison
    • Physics, University of Wisconsin–Madison
    • Department of Materials Science and Engineering, University of Wisconsin - Madison
  • Chang-Beom Eom

    • University of Wisconsin-Madison
    • Univ of Wisconsin-Madison
    • Univ of Wisconsin, Madison
    • Department of Material Science and Engineering, University of Wisconsin-Madison
    • Matls Sci & Eng, University of Wisconsin-Madison
    • University of Wisconsin
    • Department of Materials Science and Engineering, University of Wisconsin-Madison
    • University of Wisconsin–Madison
    • MS&E, University of Wisconsin
    • Physics, University of Wisconsin–Madison
    • Department of Materials Science and Engineering, University of Wisconsin - Madison
  • Patrick Irvin

    • Univ of Pittsburgh
    • University of Pittsburgh
    • Physics and Astronomy, University of Pittsburgh
    • Department of Physics and Astronomy, Univ of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh
    • Physics, University of Pittsburgh
    • Physics and Astronomy, Univ of Pittsburgh
  • Jeremy Levy

    • Univ of Pittsburgh
    • Physics, Univ of Pittsburgh
    • University of Pittsburgh
    • Physics and Astronomy, University of Pittsburgh
    • Department of Physics and Astronomy, Univ of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh
    • Physics, University of Pittsburgh
    • Physics and Astronomy, Univ of Pittsburgh