Defects in Semiconducting and Dielectric Oxides

Presentations

• Insight into Facile Ion Diffusion in Resistive Switching Medium toward Low Operating Voltage Memory

  ORAL

  March 18, 2025, 11:30 AM – March 18, 2025, 11:42 AM

  Publication: https://pubs.acs.org/doi/10.1021/acs.nanolett.4c01629

  Presenters

  • Dinh Phuc Do

    • University of Nevada Las Vegas

  Authors

  • Dinh Phuc Do

    • University of Nevada Las Vegas

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• Geometrical Anatomy for Oxygen Vacancies in Epitaxial Hf_0.5Zr_0.5O₂ Films Grown via Atomic Layer Deposition

  ORAL

  March 18, 2025, 11:42 AM – March 18, 2025, 11:54 AM

  Publication: Geometrical Anatomy for Oxygen Vacancies in Epitaxial Hf0.5Zr0.5O2 Films Grown via Atomic Layer Deposition (under review)

  Presenters

  • Chihwan An

    • Seoul Natl Univ

  Authors

  • Chihwan An

    • Seoul Natl Univ

  • Jung Woo Cho

    • Seoul Natl Univ

  • Tae Yoon Lee

    • Seoul Natl Univ

  • Myeong Seop Song

    • Seoul Natl Univ

  • Baekjune Kang

    • Ulsan Natl Inst of Sci & Tech
    • Ulsan National Institute of Science and Technology

  • Hongju Kim

    • Ulsan Natl Inst of Sci & Tech

  • Jun Hee Lee

    • Ulsan Natl Inst of Sci & Tech

  • Changhee Sohn

    • Ulsan Natl Inst of Sci & Tech
    • Ulsan National Institute of Science and Technology

  • Seung Chul Chae

    • Seoul Natl Univ

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• The unusual interplay between dopants, surfaces, and interfacial structure in driving charge transfer across hybrid semiconductor-crystalline oxide heterojunctions

  ORAL · Invited

  March 18, 2025, 11:54 AM – March 18, 2025, 12:30 PM

  Publication: 1. S. A. Chambers, Z. H. Lim, J. H. Ngai, D. Biswas, T.-L. Lee, "Probing the electronic properties of gap states near the surface of n-SrTiO3 / i-Si(001) heterojunctions with high sensitivity," Phys. Rev. Mater. 8, 014602 (2024).
  2. M. Chrysler J. Gabel, T.-L. Lee, Z. Zhu, T. C. Kaspar, P. V. Sushko, S. A. Chambers, and J. H. Ngai, "Surface termination control of charge transfer across a semiconductor-crystalline oxide interface," Phys. Rev. Mater. 7, 084604 (2023).
  3. M. Chrysler, J. Gabel, T.-L. Lee, A. N. Penn, B. E. Matthews, D. M. Kepaptsoglou, Q. M. Ramasse, J. R. Paudel, R. K. Sah, J. D. Grassi, Z. Zhu, A. X. Gray, J. M. LeBeau, S. R. Spurgeon, S. A. Chambers, P. V. Sushko, and J. H. Ngai, "Tuning band alignment at a semiconductor-crystalline oxide heterojunction via electrostatic modulation of the interfacial dipole," Phys. Rev. Mater. 5, 104603 (2021).
  4. Z. H. Lim, N. F. Quackenbush, A. Penn, M. Chrysler, M. Bowden, Z. Zhu, J. M. Ablett, T. -L. Lee, J. M. LeBeau, J. C. Woicik, P. V. Sushko, S. A. Chambers and J. H. Ngai, "Charge Transfer and Built-in Electric Fields Between a Crystalline Oxide and Silicon," Phys. Rev. Lett. 123, 026805 (2019).

  Presenters

  • Joseph Ngai

    • The University of Texas at Arlington
    • Department of Physics, University of Texas-Arlington, Arlington, TX 76019, USA
    • University of Texas at Arlington

  Authors

  • Joseph Ngai

    • The University of Texas at Arlington
    • Department of Physics, University of Texas-Arlington, Arlington, TX 76019, USA
    • University of Texas at Arlington

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• Strong Charge Retention via Surface Oxygen Vacancies of LaAlO₃ Thin Films

  ORAL

  March 18, 2025, 12:30 PM – March 18, 2025, 12:42 PM

  Presenters

  • SungJun Choi

    • University of Ajou

  Authors

  • SungJun Choi

    • University of Ajou

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• Room Temperature Persistent Photoconductivity of KTaO3

  ORAL

  March 18, 2025, 12:42 PM – March 18, 2025, 12:54 PM

  Publication: Room Temperature Persistent Photoconductivity of KTaO3

  Presenters

  • Macarena Maria Santillan

    • Washington State University

  Authors

  • Macarena Maria Santillan

    • Washington State University

  • Matthew Douglas McCluskey

    • Washington State University

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• Near-Infrared Photodetection Enable by Atomic-scale Interface Modification in Complex Oxide Heterostructures

  ORAL

  March 18, 2025, 12:54 PM – March 18, 2025, 1:06 PM

  Presenters

  • sanghyeok RYOU

    • Ajou University

  Authors

  • sanghyeok RYOU

    • Ajou University

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• Engineering the Defect Chemistry of Oxide Electrolytes for Hydrogen Production

  ORAL · Invited

  March 18, 2025, 1:06 PM – March 18, 2025, 1:42 PM

  Publication: A. J. E. Rowberg et al., Phys. Rev. Mater. 7 (1), 015402 (2023).
  A. J. E. Rowberg et al., Mater. Adv. 4 (23), 6233 (2023).
  A. J. E. Rowberg et al., Chem. Mater. 36 (13), 6464 (2024).

  Presenters

  • Andrew Rowberg

    • Lawrence Livermore National Laboratory

  Authors

  • Andrew Rowberg

    • Lawrence Livermore National Laboratory

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• Defects and dopants in cerium oxide (CeO₂)

  ORAL

  March 18, 2025, 1:42 PM – March 18, 2025, 1:54 PM

  Presenters

  • Khang Hoang

    • North Dakota State University

  Authors

  • Khang Hoang

    • North Dakota State University

  • Michelle D Johannes

    • U.S. Naval Research Laboratory
    • United States Naval Research Laboratory

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• Abstract Withdrawn

  Withdrawn

  March 18, 2025, 1:54 PM – March 18, 2025, 2:06 PM

  View abstract →