Disordered Materials I: Thermal Properties of Amorphous Materials

Presentations

• Bond-Network Entropy Governs Heat Transport in Coordination-Disordered Solids

  Invited-In-person · Invited

  March 16, 2026, 8:00 AM – March 16, 2026, 8:36 AM

  Publication: K. Iwanowski, G. Csányi, and M. Simoncelli, Phys. Rev. X (2025), DOI link: https://doi.org/10.1103/w4p6-b9mp, version on arXiv: https://arxiv.org/pdf/2412.12753

  Presenters

  • Kamil Iwanowski

    • Columbia University

  Authors

  • Kamil Iwanowski

    • Columbia University

  • Gabor Csanyi

    • University of Cambridge

  • Michele Simoncelli

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• Origins of low-temperature vibrational and thermal anomalies in glasses

  Oral-In-person

  March 16, 2026, 8:36 AM – March 16, 2026, 8:48 AM

  Presenters

  • Andrew Smith

    • Columbia University

  Authors

  • Andrew Smith

    • Columbia University

  • Nikita Shcheblanov

  • Balazs Pota

    • University of Cambridge

  • Chuck Witt

  • Sergei Tarashkin

  • Michele Simoncelli

    • Columbia University in the City of New York

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• Atomistic Thermal Transport in Disordered Materials

  Oral-In-person

  March 16, 2026, 8:48 AM – March 16, 2026, 9:00 AM

  Publication: A. Gautam, Y. Lee, C. Ugwumadu. K. Nepal, S. Nakhmanson and D. A. Drabold, Site-projected Thermal Conductivity: Application to Defects, Interfaces and Homogeneously Disordered Materials, Phys. Stat. Sol. RRL 2400306 (2024)
  C. Ugwumadu, A. Gautam, Y. Lee and D. A. Drabold, Mapping thermal conductivity at the atomic scale: a step toward the thermal design of materials, Physica Status Solidi b (2025)

  Presenters

  • Aashish Gautam

    • Ohio University

  Authors

  • Aashish Gautam

    • Ohio University

  • Chinonso Ugwumadu

    • Los Alamos National Laboratory (LANL)

  • David Drabold

    • Ohio University

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• Modeling Thermal Diffuse Scattering Using Joint Atomic Displacement Parameters in YELL

  Oral-In-person

  March 16, 2026, 9:00 AM – March 16, 2026, 9:12 AM

  Presenters

  • Benjamin Fahl

    • ETH Zurich

  Authors

  • Benjamin Fahl

    • ETH Zurich

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• Assessing Phonon Spectral Functions in Disordered Binary Alloys within the Dynamical Cluster Approximation

  Oral-In-person

  March 16, 2026, 9:12 AM – March 16, 2026, 9:24 AM

  Presenters

  • Ruining Zhang

    • Columbia University

  Authors

  • Ruining Zhang

    • Columbia University

  • Chris Marianetti

    • Columbia University

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• Thermal transport and disordered hyperuniformity in monolayer amorphous carbon

  Oral-In-person

  March 16, 2026, 9:24 AM – March 16, 2026, 9:36 AM

  Publication: 1. Y. Wang, N. Liang, X. Zhang, W. Yan, H. He, A. Fiorentino, X. Tao, A. Li, F. Yang, B. Li, T.-H. Liu, J. Zhu, W. Zhou, W. Wang, S. Baroni, L. Zhou and B. Song, Thermal Transport in a 2D Amorphous Material, Phys. Rev. X 15, 031077 (2025). https://doi.org/10.1103/fjww-9pm3.
  2. Y. Wang, X. Zhang, W. Yan, N. Liang, H. He, X. Tao, A. Li, F. Yang, B. Li, T.-H. Liu, J. Zhu, W. Zhou, W. Wang, L. Zhou and B. Song, Thermal transport in a 2D amorphous material, arXiv:2402.13471v2. https://doi.org/10.48550/arXiv.2402.13471.
  3. N. Liang, Y. Wang and B. Song, Disordered hyperuniformity and thermal transport in monolayer amorphous carbon, Sci. China-Phys. Mech. Astron. 68, 226111 (2025). https://doi.org/10.1007/s11433-024-2523-4.

  Presenters

  • Nianjie Liang

    • Peking University

  Authors

  • Nianjie Liang

    • Peking University

  • Yuxi Wang

  • Bai Song

    • Massachusetts Institute of Technology MIT

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• Nuclear Quantum Effects in Amorphous Carbon

  Oral-In-person

  March 16, 2026, 9:36 AM – March 16, 2026, 9:48 AM

  Presenters

  • Jackson Weaver

    • University of Chicago

  Authors

  • Jackson Weaver

    • University of Chicago

  • Giulia Galli

    • University of Chicago

  • Arpan Kundu

    • University of Chicago

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• An Accurate Machine-Learning Interatomic Potential for Disordered Hard Carbon Materials

  Oral-In-person · Withdrawn

  March 16, 2026, 9:48 AM – March 16, 2026, 10:00 AM

  Presenters

  • Jiezhen Xia

    • Xiamen University

  Authors

  • Jiezhen Xia

    • Xiamen University

  • Jun Cheng

  • Fujie Tang

    • Xiamen University

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