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Coexistence of size-dependent and size-independent thermal conductivities in phosphorene

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Zhu, Liyan, Zhang, Gang, Li, Baowen·2014·Physical Review B

Abstract

Thermal conductivity of single layer phosphorene is investigated by combining density functional calculations and the Peierls-Boltzmann transport equation. Differing from isotropic and divergent thermal conductivities in two-dimensional graphene and ${\mathrm{MoS}}_{2}$, a compelling coexistence of size-dependent and size-independent thermal conductivities is discovered for single layer black phosphorus (BP) along zigzag (ZZ) and armchair (AM) directions, respectively. Additionally, thermal conductivities in single layer phosphorene are found to be highly anisotropic because of orientation dependent group velocities and phonon relaxation times; e.g., thermal conductivities at 300 K are 83.5 and 24.3 W/m K along ZZ and AM directions, respectively, for single layer BP with a size of $10\phantom{\rule{0.28em}{0ex}}\ensuremath{\mu}\text{m}$.

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Metadata

Authors
Zhu, L., Zhang, G., & Li, B.
Venue
Physical Review B
Published
2014-12-12
Volume
90
Issue
21
ISSN
  • 1098-0121 (ISSN-L)
  • 1550-235X
OpenAlex
W2117310412
Cited by
232
References
2
FWCI
10.72
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Coexistence of size-dependent and size-independent thermal conductivities in phosphorene. https://app.cochat.ai/papers/10.1103/physrevb.90.214302
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Zhu, L., Zhang, G., & Li, B. (2014). Coexistence of size-dependent and size-independent thermal conductivities in phosphorene. Physical Review B. https://doi.org/10.1103/physrevb.90.214302

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