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Title: First-principles calculations of defects and electron–phonon interactions: Seminal contributions of Audrius Alkauskas to the understanding of recombination processes

Journal Article · · Journal of Applied Physics
DOI: https://doi.org/10.1063/5.0205525 · OSTI ID:2439662
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5]; ORCiD logo [6]; ORCiD logo [7]; ORCiD logo [8]; ORCiD logo [7]; ORCiD logo [9]; ORCiD logo [10]; ORCiD logo [2]
  1. Northwestern Polytechnical University, Xi’an (China); University of California Santa Barbara
  2. University of California, Santa Barbara, CA (United States)
  3. Center for Physical Sciences and Technology (FTMC) (Lithuania); University of Oslo (Norway)
  4. Center for Physical Sciences and Technology (FTMC) (Lithuania); Warsaw University of Technology (Poland)
  5. Uppsala University (Sweden)
  6. Northeastern University, Boston, MA (United States)
  7. US Naval Research Laboratory, Washington, DC (United States)
  8. Flatiron Institute, New York, NY (United States); Stony Brook University, NY (United States)
  9. HUN-REN Wigner Research Centre for Physics, Budapest (Hungary); Budapest University of Technology and Economics (Hungary); MTA-WFK Lendület “Momentum” Semiconductor Nanostructures Research Group, Budapest (Hungary)
  10. Ecole Polytechnique Federale Lausanne (EPFL) (Switzerland)

First-principles calculations of defects and electron–phonon interactions play a critical role in the design and optimization of materials for electronic and optoelectronic devices. The late Audrius Alkauskas made seminal contributions to developing rigorous first-principles methodologies for the computation of defects and electron–phonon interactions, especially in the context of understanding the fundamental mechanisms of carrier recombination in semiconductors. Alkauskas was also a pioneer in the field of quantum defects, helping to build a first-principles understanding of the prototype nitrogen-vacancy center in diamond, as well as identifying novel defects. Here, we describe the important contributions made by Alkauskas and his collaborators and outline fruitful research directions that Alkauskas would have been keen to pursue. Audrius Alkauskas’ scientific achievements and insights highlighted in this article will inspire and guide future developments and advances in the field.

Research Organization:
University of California, Santa Barbara, CA (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0010689; SC0012704
OSTI ID:
2439662
Journal Information:
Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 15 Vol. 135; ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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