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Ballistic Transport in Semiconductor Devices

ORAL · F52 · ID: 1114463

Presentations

  • Thermal-driven neuromorphic computing devices

    ORAL

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    Presenters

    • Hsin-Ju Chen

      Department of Physics, National Taiwan University, Taipei 10617, Taiwan

    Authors

    • Hsin-Ju Chen

      Department of Physics, National Taiwan University, Taipei 10617, Taiwan

    • Chih-Chieh Chiang

      Department of Physics, National Taiwan University, Taipei 10617, Taiwan

    • Chun-Yun Cheng

      Department of Physics, National Taiwan University, Taipei 10617, Taiwan

    • Danru Qu

      National Taiwan University, Center for Condensed Matter Sciences, National Taiwan University, Taipei 10617, Taiwan

    • Ssu-Yen Huang

      National Taiwan University, Department of Physics, National Taiwan University, Taipei 10617, Taiwan

    View abstract →

  • Nanoscale Field-Emission Frequency Mixer

    ORAL

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    Presenters

    • Lucia De Rose

      California Institute of Technology

    Authors

    • Lucia De Rose

      California Institute of Technology

    • Changsoon Choi

      California Institute of Technology

    • Axel Scherer

      California Institute of Technology

    View abstract →

  • Nonreciprocal charge current in a bulk Rashba semiconductor above the band crossing point

    ORAL

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    Publication: [1] Pan, A., & Marinescu, D. C. (in press). Nonreciprocal charge current in a bulk Rashba semiconductor above the band crossing point. Physical Review B.<br>[2] Pan, A., & Marinescu, D. C. (2019). Nonlinear spin-current generation in quantum wells with arbitrary Rashba-Dresselhaus spin-orbit interactions. Physical Review B, 99(24), 245204.

    Presenters

    • Aniruddha Pan

      Clemson University

    Authors

    • Aniruddha Pan

      Clemson University

    • D. C Marinescu

      Clemson University

    View abstract →

  • Quantum point contacts on a GeSn/Ge heterostructure

    ORAL

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    Presenters

    • Yu-Jui Wu

      Graduate Institute of Electronics Engineering, National Taiwan University, Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan

    Authors

    • Tsung-Ying Li

      Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan

    • Yu-Jui Wu

      Graduate Institute of Electronics Engineering, National Taiwan University, Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan

    • Hung-Yu Tsao

      Department of Electrical Engineering, National Taiwan University, Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan

    • Min-Jui Lin

      Graduate Institute of Electronics Engineering, National Taiwan University, Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan

    • Chia-You Liu

      Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan

    • Chia-Tse Tai

      Princeton University

    • Jiun-Yun Li

      National Taiwan University (NTU)

    View abstract →

  • Single-electron source with a quantum Hall edge state

    ORAL

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    Publication: One-Lead Single-Electron Source with Charging Energy

    Presenters

    • Myung-Ho Bae

      Korea Research Institute of Standards and Science

    Authors

    • Myung-Ho Bae

      Korea Research Institute of Standards and Science

    • Sung Un Cho

      Korea Advanced Institute of Science and Technology

    • Wanki Park

      Korea Advanced Institute of Science and Technology

    • Bum-Kyu Kim

      Korea Research Institute of Standards and Science

    • H.-S. Sim

      Korea Advanced Institute of Science and Technology

    View abstract →

  • An investigation of the disorder potential of quantum point contacts via scanning gate microscopy and machine learning

    ORAL

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    Publication: C. R. da Cunha, N. Aoki, D. K. Ferry and Y.-C. Lai, "A method for finding the background potential of quantum devices from scanning gate microscopy data using machine learning", Mach. Learn.: Sci. Technol. 3 (2022) 025013.<br>And a manuscript under preparation for the evolutionary search approach.<br><br>

    Presenters

    • Carlo R daCunha

      Northern Arizona University

    Authors

    • Carlo R daCunha

      Northern Arizona University

    • David K Ferry

      Arizona State University

    • Nobuyuki Aoki

      Chiba University

    View abstract →

  • Manipulating spin dynamics in one-dimension using transverse magnetic focusing.

    ORAL

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    Presenters

    • Harry Z Smith

      University College London

    Authors

    • Harry Z Smith

      University College London

    • Patrick See

      National Physical Laboratory

    • Ian Farrer

      University of Sheffield, University of Sheffield, United Kingdom, Sheffield University

    • David A Ritchie

      Univ of Cambridge, University of Cambridge

    • Sanjeev Kumar

      University College London

    View abstract →

  • Spatially confined fractional quantum states in one-dimension

    ORAL

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    Presenters

    • Sanjeev Kumar

      University College London

    Authors

    • Sanjeev Kumar

      University College London

    • Michael Pepper

      University College London

    • Ian Farrer

      University of Sheffield, University of Sheffield, United Kingdom, Sheffield University

    • David A Ritchie

      Univ of Cambridge, University of Cambridge

    • H Montagu

      University College London

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  • Length estimation of a finite length quantum wire from finite size effects

    ORAL

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    Presenters

    • Henok Weldeyesus

      University of Basel

    Authors

    • Henok Weldeyesus

      University of Basel

    • Taras Patlatiuk

      University of Basel

    • Christian P Scheller

      University of Basel

    • Gilad Barak

      Harvard University

    • Amir Yacoby

      Harvard University

    • Loren N Pfeiffer

      Princeton University

    • Ken W West

      Princeton University

    • Dominik M Zumbuhl

      University of Basel

    View abstract →

  • Engineering long ballistic single mode electrostatically defined quantum wires for future detection of Majorana zero modes

    ORAL

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    Publication: -

    Presenters

    • Krittika Kumar

      University of New South Wales

    Authors

    • Krittika Kumar

      University of New South Wales

    • Karina L Hudson

      University of New South Wales

    • Leah Tom

      University of Wisconsin - Madison, University of Wisconsin

    • Benjamin Ramsay

      University of Cambridge

    • Yonatan Ashlea Alava

      University of New South Wales

    • Qingwen Wang

      UNSW Sydney, University of New South Wales

    • Yik Kheng Lee

      RMIT University

    • Jackson S Smith

      RMIT University

    • Jared Cole

      RMIT University

    • Ian Farrer

      University of Sheffield, University of Sheffield, United Kingdom, Sheffield University

    • David A Ritchie

      Univ of Cambridge, University of Cambridge

    • Mark Friesen

      University of Wisconsin - Madison, University of Wisconsin-Madison, University of Wisconsin

    • Susan N Coppersmith

      The University of New South Wales, University of New South Wales

    • Alexander R Hamilton

      University of New South Wales

    View abstract →

  • In situ epitaxial aluminium gates in ultra-shallow GaAs/Al<sub>x</sub>Ga<sub>1-x</sub>As heterostructures for low noise quantum point contacts

    ORAL

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    Publication: Ashlea Alava, Y., Wang, D.Q., Chen, C., Ritchie, D.A., Klochan, O. and Hamilton, A.R., 2021. High electron mobility and low noise quantum point contacts in an ultra-shallow all-epitaxial metal gate GaAs/AlxGa1-xAs heterostructure. Applied Physics Letters, 119(6), p.063105. doi.org/10.1063/5.0053816<br><br>Ashlea Alava, Y., Wang, D.Q., Chen, C., Ritchie, D.A., Ludwig, A., Ritzmann, J., Wieck, A.D., Klochan, O. and Hamilton, A.R., 2021. Ultra- Shallow All-Epitaxial Aluminum Gate GaAs/AlxGa1-xAs Transistors with High Electron Mobility. Advanced Functional Materials, p.2104213. doi.org/10.1002/adfm.202104213

    Presenters

    • Yonatan Ashlea Alava

      University of New South Wales

    Authors

    • Yonatan Ashlea Alava

      University of New South Wales

    • Daisy Q Wang

      University of New South Wales

    • Chong Chen

      University of Cambridge

    • David A Ritchie

      Univ of Cambridge, University of Cambridge

    • Arne Ludwig

      Ruhr-Universität Bochum, Ruhr Universität Bochum, Lehrstuhl fül Angewandte Festkörperphysik, Rhur-Universität Bochum, Bochum, Germany

    • Julian Ritzmann

      Ruhr Universität Bochum

    • Andreas D Wieck

      Ruhr-Universität Bochum, Ruhr Universität Bochum, Lehrstuhl fül Angewandte Festkörperphysik, Rhur-Universität Bochum, Bochum, Germany

    • Oleh Klochan

      UNSW Sydney, University of New South Wales

    • Alexander R Hamilton

      University of New South Wales

    View abstract →

  • Observation of oscillating g-factor anisotropy arising from strong crystal lattice anisotropy in GaAs spin-3/2 hole quantum point contacts

    ORAL

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    Publication: A. Srinivasan, K.L. Hudson et al., Observation of oscillating g-factor anisotropy arising from strong crystal lattice anisotropy in GaAs spin-3/2 hole quantum point contacts, in preparation for submission to Physical Review Letters.

    Presenters

    • Karina L Hudson

      University of New South Wales

    Authors

    • Karina L Hudson

      University of New South Wales

    • Ashwin Srinivasan

      UNSW Sydney

    • Dmitry Miserev

      University of Basel, Swizerland

    • Qingwen Wang

      UNSW Sydney, University of New South Wales

    • Oleh Klochan

      UNSW Sydney, University of New South Wales

    • Oleg P Sushkov

      University of New South Wales, UNSW Sydney

    • Ian Farrer

      University of Sheffield, University of Sheffield, United Kingdom, Sheffield University

    • David A Ritchie

      Univ of Cambridge, University of Cambridge

    • Alexander R Hamilton

      University of New South Wales

    View abstract →