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Thermal transport property of boron nitride nanosheets

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Version 2 2025-03-14, 04:38
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journal contribution
posted on 2025-03-14, 04:38 authored by Amrito Bhattacharjee, Hongbo Jiang, Lu Hua Li, Shaoming Huang, Ying (Ian) ChenYing (Ian) Chen, Qiran Cai
The rapid progress of high-performance microelectronic devices underscores the urgent necessity to develop materials possessing superior thermal conductivity for effectively dissipating heat in cutting-edge electronics. Boron nitride nanosheets (BNNSs) have garnered significant attention due to their exceptional thermal conductivity, combined with electrical insulation and low thermal expansion coefficient, offering a promising solution to heat-related challenges in electronic devices. While BNNSs share some common thermal behaviors with other two-dimensional (2D) materials, they also exhibit unique characteristics. For instance, BNNSs exhibit larger isotope disorders compared to graphene, yet their isotope enhancement in thermal conductivity is lower than that of their carbon counterpart. This review provides an overview of the thermal transport properties and mechanisms of BNNSs explored over the past decade, beginning with a brief introduction to the basic of thermal conductivity. It then delves into the thermal transport mechanisms in BNNSs, highlighting factors impacting the in-plane thermal conductivity of BNNSs, as well as the cross-plane thermal conductivity and the factors influencing it. Finally, the review discusses challenges associated with BNNS thermal conductivity measurement and outlines potential future research avenues.

History

Journal

Applied Physics Reviews

Volume

11

Article number

041322

Pagination

1-21

Location

Melville, N.Y.

Open access

  • Yes

ISSN

1931-9401

eISSN

1931-9401

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Issue

4

Publisher

American Institute of Physics

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