Thermal conductivity of CoSb 3  nano‐composites grown via a novel solvothermal nano‐plating technique | Zendy

Ji X. | Zendy; He J. | Zendy; Alboni P. | Zendy; Su Z. | Zendy; Gothard N. | Zendy; Zhang B. | Zendy; Tritt Terry M. | Zendy; Kolis J. W. | Zendy

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Thermal conductivity of CoSb 3 nano‐composites grown via a novel solvothermal nano‐plating technique

Author(s) -

Ji X.,

He J.,

Alboni P.,

Su Z.,

Gothard N.,

Zhang B.,

Tritt Terry M.,

Kolis J. W.

Publication year - 2007

Publication title -

physica status solidi (rrl) – rapid research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.786

H-Index - 68

eISSN - 1862-6270

pISSN - 1862-6254

DOI - 10.1002/pssr.200701126

Subject(s) - skutterudite , nano , materials science , thermal conductivity , composite material , plating (geology) , composite number , nanoparticle , homogeneous , nanotechnology , thermoelectric materials , geophysics , geology , physics , thermodynamics

We have utilized a solvothermal nano‐plating technique to grow nano‐structured CoSb 3 directly onto the surface of micron‐sized CoSb 3 particles that were subsequently hot pressed and densified into a homogeneous skutterudite nano‐composite. We herein present results for three samples: a bulk sample to serve as a reference, and two samples with solvothermally grown nano‐structures of 5 wt% and 20 wt%, respectively. All three samples used the same bulk starting materials. The thermal conductivity was measured via two independent techniques (steady state and laser flash) and both show a systematic reduction in the thermal conductivity with an increasing amount of nano‐structures. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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