Experimental observation of localized interfacial phonon modes

Zhe Cheng; Ruiyang Li; Xingxu Yan; Glenn Jernigan; Jingjing Shi; Michael E. Liao; Nicholas J. Hines; Chaitanya A. Gadre; Juan Carlos Idrobo; Eungkyu Lee; Karl D. Hobart; Mark S. Goorsky; Xiaoqing Pan; Tengfei Luo; Samuel Graham

doi:10.1038/s41467-021-27250-3

Nature Communications (Nov 2021)

Experimental observation of localized interfacial phonon modes

Zhe Cheng,
Ruiyang Li,
Xingxu Yan,
Glenn Jernigan,
Jingjing Shi,
Michael E. Liao,
Nicholas J. Hines,
Chaitanya A. Gadre,
Juan Carlos Idrobo,
Eungkyu Lee,
Karl D. Hobart,
Mark S. Goorsky,
Xiaoqing Pan,
Tengfei Luo,
Samuel Graham

Affiliations

Zhe Cheng: George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology
Ruiyang Li: Department of Aerospace and Mechanical Engineering, University of Notre Dame
Xingxu Yan: Department of Materials Science and Engineering, University of California
Glenn Jernigan: U.S. Naval Research Laboratory
Jingjing Shi: George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology
Michael E. Liao: Materials Science and Engineering, University of California, Los Angeles
Nicholas J. Hines: George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology
Chaitanya A. Gadre: Department of Physics and Astronomy, University of California
Juan Carlos Idrobo: Center for Nanophase Materials Sciences, Oak Ridge National Laboratory
Eungkyu Lee: Department of Electronic Engineering, Kyung Hee University
Karl D. Hobart: U.S. Naval Research Laboratory
Mark S. Goorsky: Materials Science and Engineering, University of California, Los Angeles
Xiaoqing Pan: Department of Materials Science and Engineering, University of California
Tengfei Luo: Department of Aerospace and Mechanical Engineering, University of Notre Dame
Samuel Graham: George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology

DOI: https://doi.org/10.1038/s41467-021-27250-3
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 10

Abstract

Read online

Conventional theories for interfacial thermal transport are derived from bulk phonon properties. Here, the authors report experimental observation of interfacial phonon modes localized at interfaces, changing how interfacial thermal transport should be understood.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

About the journal