Temperature and Thickness Dependences of the Anisotropic In‐Plane Thermal Conductivity of Black Phosphorus

The anisotropic basal‐plane thermal conductivities of thin black phosphorus obtained from a new four‐probe measurement exhibit much higher peak values at low temperatures than previous reports. First principles calculations reveal the important role of crystal defects and weak thickness dependence t...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2017-02, Vol.29 (5), p.np-n/a
Main Authors: Smith, Brandon, Vermeersch, Bjorn, Carrete, Jesús, Ou, Eric, Kim, Jaehyun, Mingo, Natalio, Akinwande, Deji, Shi, Li
Format: Article
Language:English
Subjects:
2D materials
Anisotropy
black phosphorus
Crystal defects
Graphene
Graphite
Heat transfer
Materials science
Mathematical analysis
phonon transport
Phosphorene
Phosphorus
Thermal conductivity
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Summary:The anisotropic basal‐plane thermal conductivities of thin black phosphorus obtained from a new four‐probe measurement exhibit much higher peak values at low temperatures than previous reports. First principles calculations reveal the important role of crystal defects and weak thickness dependence that is opposite to the case of graphene and graphite due to the absence of reflection symmetry in puckered phosphorene.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201603756