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High frequency atomic tunneling yields ultralow and glass-like thermal conductivity in chalcogenide single crystals

Authors
  • Sun, Bo1, 2
  • Niu, Shanyuan3, 4
  • Hermann, Raphael P.5
  • Moon, Jaeyun1
  • Shulumba, Nina1
  • Page, Katharine5
  • Zhao, Boyang3
  • Thind, Arashdeep S.6
  • Mahalingam, Krishnamurthy7
  • Milam-Guerrero, JoAnna3
  • Haiges, Ralf3, 3
  • Mecklenburg, Matthew3
  • Melot, Brent C.3
  • Jho, Young-Dahl8
  • Howe, Brandon M.7
  • Mishra, Rohan6, 6
  • Alatas, Ahmet9
  • Winn, Barry5
  • Manley, Michael E.5
  • Ravichandran, Jayakanth3, 3
  • And 1 more
  • 1 California Institute of Technology, Pasadena, CA, 91125, USA , Pasadena (United States)
  • 2 Guangdong Provincial Key Laboratory of Thermal Management Engineering and Materials, Tsinghua University, Shenzhen, Guangdong, 518055, China , Shenzhen (China)
  • 3 University of Southern California, Los Angeles, CA, 90089, USA , Los Angeles (United States)
  • 4 Stanford University, Stanford, CA, 94305, USA , Stanford (United States)
  • 5 Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA , Oak Ridge (United States)
  • 6 Washington University in St. Louis, St. Louis, MO, 63130, USA , St. Louis (United States)
  • 7 Air Force Research Laboratory, Wright-Patterson AFB, Dayton, OH, USA , Dayton (United States)
  • 8 Gwangju Institute of Science and Technology, Gwangju, 61005, South Korea , Gwangju (South Korea)
  • 9 Argonne National Laboratory, Argonne, IL, 60439, USA , Argonne (United States)
Type
Published Article
Journal
Nature Communications
Publisher
Springer Nature
Publication Date
Nov 27, 2020
Volume
11
Issue
1
Identifiers
DOI: 10.1038/s41467-020-19872-w
Source
Springer Nature
License
Green

Abstract

Defect-free crystals showing the glassy trend of low thermal conductivity with a monotonic increase with temperature are desirable but rare. Here, the authors observe atomic tunneling associated with low and glass-like thermal conductivity in a hexagonal perovskite chalcogenide single-crystal BaTiS3.

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