Thermal transport in hard carbon prepared from C-60 fullerene (CROSBI ID 77208)
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Podaci o odgovornosti
Biljaković, Katica ; Smontara, Ana ; Starešinić, Damir ; Pajić, Damir ; Kozlov, M.E. ; Hirabayashi, M. ; Tokumoto, M. ; Ihara, H.
engleski
Thermal transport in hard carbon prepared from C-60 fullerene
We report measurements of thermal conductivity in the 30-350 K range of hard fullerene-based carbon. The material has been prepared by pressure-temperature treatment of C-60 fullerene. It shows an unusual combination of high hardness and relatively high electrical conductivity. Its thermal conductivity is about 5.7 W mK(-1) at room temperature and decreases almost linearly in the investigated temperature range. Excellent linearity in a wide temperature range may arise from some sort of crystalline order in the transformed substance. Obtained data are compared with thermal properties of C-60. glassy carbon and diamond. The applicability of recent theoretical models for explanation of recorded data is discussed.
phonon thermal conductivity; amorphous materials; fullerene; solids
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Podaci o izdanju
8 (3)
1996.
L27-L32
objavljeno
0953-8984
10.1088/0953-8984/8/3/001