(Color online) Sample assembling in experiment.
(Color online) Experimental setup for measuring the total thermal resistance and thermal conductivity of the VCNTA.
Microscopic pictures for the CNT/CNF samples. (a) SEM cross section view of the CNT sample. (b) SEM top view of the CNT sample shows the high density of the CNT generated.
(Color online) Calculated curves for the CNT material with a fixed interface thermal resistance and different total thermal resistances.
(Color online) Fitted results of the CNT array calibrated phase shift measured from the thermal radiation from the Ni film. Thermal grease is also measured for comparison.
(Color online) Relationship between the total thermal resistance of the CNTs and the applied pressure.
HRTEM picture indicates the detail structure of the CNT sample (a) the “bamboo” structure of the CNTs, (b) enlarged view of the detailed structure of CNTs’ Ni top.
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