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Thermal conductivity of amorphous carbon thin films (2000)

Bullen, Andrew J. ; O'Hara, Keith E. ; Cahill, David G.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 88 (2000), S. 6317-6320

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Thermal conductivities Λ of amorphous carbon thin films are measured in the temperatures range 80–400 K using the 3ω method. Sample films range from soft a-C:H prepared by remote-plasma deposition (Λ=0.20 W m−1 K−1 at room temperature) to amorphous diamond with a large fraction of sp3 bonded carbon deposited from a filtered-arc source (Λ=2.2 W m−1 K−1). Effective-medium theory provides a phenomenological description of the variation of conductivity with mass density. The thermal conductivities are in good agreement with the minimum thermal conductivity calculated from the measured atomic density and longitudinal speed of sound. © 2000 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1314301

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