Glass-like thermal conductivity and phonon transport mechanism in disordered crystals

Author:

Ren Guoliang1ORCID,Che Junwei2,Zhang Hanchao3,Yu Yali4,Hao Wei5,Shi Yinchun1ORCID,Yang Fan3ORCID,Zhao Xiaofeng1ORCID

Affiliation:

1. Shanghai Key Laboratory of High Temperature Materials and Precision Forming, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China

2. School of Science, Xi'an University of Science and Technology, Xi’an, 710054, China

3. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China

4. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China

5. College of Engineering, Zhejiang Normal University, Jinhua, 321004, China

Abstract

Glass-like thermal conductivity (κ) in disordered crystals was characterized successfully by multimodal phonon transport. Reducing κ via high-entropy engineering may be limited due to the differences in interatomic bonding.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

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