Strategies for manipulating phonon transport in solids

Woochul Kim, Hoon Kim, Gimin Park, Sungjin Park

Research output: Contribution to journalReview articlepeer-review

13 Citations (Scopus)


In this review, we summarize the recent efforts on manipulating phonon transport in solids by using specific techniques that modify their phonon thermal conductivity (i.e., specific heat, phonon group velocity, and mean free path) and phonon thermal conductance (i.e., transmission probability and density of states). The strategies discussed for tuning thermal conductivity are as follows: Large unit cell approach and liquidlike conduction for maneuvering specific heat; rattler, minibandgap, and phonon confinement for manipulating phonon group velocity; nanoparticles, nanosized grains, coated grains, alloy (isotope) scattering, selection rules in phonon dispersion, Gruneisen parameter, lone-pair electronics, dynamic disorder, and local static distortion for restricting mean free path. We have also included the discussion on tuning phonon thermal conductance, as thermal conduction can be viewed as a transmission process. Additionally, phonon filtering, ballistic transport, and waveguiding are discussed to alter density of states and transmission probability. We hope this review can bring meaningful insights to the researchers in the field of phonon transport in solids.

Original languageEnglish
Pages (from-to)2182-2196
Number of pages15
JournalACS Nano
Issue number2
Publication statusPublished - 2021 Feb 23

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (nos. 2019R1A2C1087180 and 2018K1A3A1A20026439) and supported by the Technology Innovation Program (or Industrial Strategic Technology Development Program) (20007031, 3D all solidstate battery and the related systems for electrical vehicle with 600 km mileage by 1mins charging) funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea).

Publisher Copyright:
© 2021 American Chemical Society.

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)
  • Physics and Astronomy(all)


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