Anomalous thermal relaxation in carbon nanoclusters | Zendy

A. V. Savin | Zendy; Yuri S. Kivshar | Zendy

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Anomalous thermal relaxation in carbon nanoclusters

Author(s) -

A. V. Savin,

Yuri S. Kivshar

Publication year - 2011

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3590256

Subject(s) - nanoclusters , fullerene , relaxation (psychology) , thermal conductivity , carbon nanotube , stack (abstract data type) , materials science , chemical physics , carbon fibers , excitation , thermal , molecular dynamics , condensed matter physics , nanotechnology , chemistry , computational chemistry , thermodynamics , composite material , physics , psychology , social psychology , organic chemistry , quantum mechanics , composite number , computer science , programming language

By employing molecular dynamics simulations, we study thermal relaxation in two types of nanoclusters, a cubelike stack of identical carbon nanotubes and a nanocube of fullerene C60 molecules. We calculate relaxation time and coefficient of thermal conductivity and reveal that the C60 nanocluster demonstrates anomalously slow thermal relaxation due to the excitation of long-lived internal localized oscillatory modes. This suggests that such nanoclusters would be the most efficient for photophoretic manipulation of fullerenes.

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