Ultrawide Bandgap Semiconductors I

Presentations

• Heterostructural rocksalt-wurtzite TaC/AlGaN interfaces from first principles

  ORAL

  March 20, 2025, 11:00 AM – March 20, 2025, 11:12 AM

  Publication: Sharad Mahatara and Stephan Lany, "Heterostructural interface engineering for ultrawide gap nitrides from first principles: TaC/AlN and TaC/GaN rocksalt-wurtzite interfaces", Phys. Rev. Appl. (accepted, 2024)

  Presenters

  • Stephan Lany

    National Renewable Energy Laboratory (NREL)

  Authors

  • Stephan Lany

    National Renewable Energy Laboratory (NREL)

  • Sharad Mahatara

    National Renewable Energy Laboratory

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• Band alignment of h-BN/Diamond Heterostructures

  ORAL

  March 20, 2025, 11:12 AM – March 20, 2025, 11:24 AM

  Presenters

  • Kelotchi Sebastian Figueroa Nieves

    University of Michigan

  Authors

  • Kelotchi Sebastian Figueroa Nieves

    University of Michigan

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• Band Alignments at Polar Nitride Heterojunctions

  ORAL

  March 20, 2025, 11:24 AM – March 20, 2025, 11:36 AM

  Presenters

  • Akash Ram

    University of California Santa Barbara

  Authors

  • Akash Ram

    University of California Santa Barbara

  • Chris G Van de Walle

    University of California, Santa Barbara, Materials Department, University of California, Santa Barbara, CA 93106-5050, U.S.A.

  • Su-Hyun Yoo

    Korea Research Institute of Chemical Technology

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• Abstract Withdrawn

  ORAL · Invited · Withdrawn

  March 20, 2025, 11:36 AM – March 20, 2025, 12:12 PM

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• Jun Suda

  ORAL · Invited

  March 20, 2025, 12:12 PM – March 20, 2025, 12:48 PM

  Presenters

  • Jun Suda

    Nagoya University

  Authors

  • Jun Suda

    Nagoya University

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• Oral: Enhanced Near-Infrared Absorption in Lattice-Matched Sc_0.14Al_0.86N/GaN Multi-Quantum Wells: Growth Optimization and Insights into Polarization Parameters

  ORAL

  March 20, 2025, 12:48 PM – March 20, 2025, 1:00 PM

  Presenters

  • Zain Ul Abdin

    Purdue University

  Authors

  • Zain Ul Abdin

    Purdue University

  • Govardan Gopakumar

    Purdue University

  • Rajendra Kumar

    Purdue University

  • Michael James Manfra

    Purdue University

  • Oana Malis

    Purdue University

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• Achieving p-type conductivity in ultrawide-bandgap oxides by overcoming hole polarons

  ORAL

  March 20, 2025, 1:00 PM – March 20, 2025, 1:12 PM

  Presenters

  • John L Lyons

    United States Naval Research Laboratory

  Authors

  • John L Lyons

    United States Naval Research Laboratory

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• Experimental Analysis of Possible Origin of p-type Conductivity in Ultrawide Bandgap LiGa₅O₈Thin Films

  ORAL

  March 20, 2025, 1:12 PM – March 20, 2025, 1:24 PM

  Publication: Experimental Analysis of the Possible Origin for p-type Conductivity of Mist-CVD Grown LiGa5O8 (planned)

  Presenters

  • Kaitian Zhang

    the Ohio State University

  Authors

  • Kaitian Zhang

    the Ohio State University

  • Vijay Gopal Thirupakuzi Vangipuram

    Ohio State University, the Ohio State University

  • Hongping Zhao

    The Ohio State University

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• MOCVD growth and properties of ultrawide bandgap MgSiN₂

  ORAL

  March 20, 2025, 1:24 PM – March 20, 2025, 1:36 PM

  Presenters

  • Vijay Gopal Thirupakuzi Vangipuram

    Ohio State University, the Ohio State University

  Authors

  • Vijay Gopal Thirupakuzi Vangipuram

    Ohio State University, the Ohio State University

  • Chenxi Hu

    Case Western Reserve University

  • Chris Chae

    Ohio State University, The Ohio State University

  • Abdul Mukit Majumder

    Ohio State University

  • Kaitian Zhang

    the Ohio State University

  • Jinwoo Hwang

    Ohio State University

  • Kathleen Kash

    Case Western Reserve University

  • Hongping Zhao

    The Ohio State University

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• More than your average semiconductor: Exciton-Franz-Keldysh effect and the anisotropic Beer-Lambert law in β-Ga₂O₃

  ORAL

  March 20, 2025, 1:36 PM – March 20, 2025, 1:48 PM

  Publication: [1] Md. M. R. Adnan, D. Verma, Z. Xia, N. K. Kalarickal, S. Rajan, and R. C. Myers, "Spectral Measurement of the Breakdown Limit of β-Ga₂O₃ and Tunnel Ionization of Self-Trapped Excitons and Holes," Phys. Rev. Applied, vol. 16, no. 3, p. 034011, Sep. 2021, doi: 10.1103/physrevapplied.16.034011.
  [2] D. Verma, M. M. R. Adnan, S. Dhara, C. Sturm, S. Rajan, and R. C. Myers, "Anisotropic excitonic photocurrent in β-Ga₂O₃," Phys. Rev. Mater., vol. 7, no. 6, p. L061601, Jun. 2023, doi: 10.1103/PhysRevMaterials.7.L061601.
  [3] M. M. R. Adnan, M. Schubert, and R. C. Myers, "Origin of the anisotropic Beer–Lambert law from dichroism and birefringence in β-Ga2O3," Applied Physics Letters, vol. 125, no. 8, p. 081103, Aug. 2024, doi: 10.1063/5.0226902.
  [4] Md. M. R. Adnan, D. Verma, C. Sturm, M. Schubert, and R. C. Myers, "Anisotropic Beer-Lambert law in β - Ga 2 O 3 : Polarization-dependent absorption and photoresponsivity spectra," Phys. Rev. Applied, vol. 21, no. 5, p. 054059, May 2024, doi: 10.1103/PhysRevApplied.21.054059.

  Presenters

  • Roberto C Myers

    Ohio State University

  Authors

  • Roberto C Myers

    Ohio State University

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