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Start Over Author "Shyjumon Ibrahimkutty" Journal thin solid films
2 results on '"Shyjumon Ibrahimkutty"'

2. Determination of nanoscale heat conductivity by time-resolved X-ray scattering

Author

Nadine Wehmeier, Hartmut Bracht, Gernot Buth, Anton Plech, S. Eon, Shyjumon Ibrahimkutty, and Daniel Issenmann

Subjects
Materials science, Scattering, Metals and Alloys, Analytical chemistry, Surfaces and Interfaces, Substrate (electronics), Thermal conduction, Molecular physics, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, Thermal conductivity, Thermal, Heat transfer, Materials Chemistry, Thin film, Excitation
Abstract

Heat transfer in thin films on a substrate is determined by time-resolved X-ray scattering following pulsed laser excitation. The temperature of the top layer of gold can be resolved via the shift of the powder reflections following the heating pulse on a 100 picosecond time scale. The decay of transient heating is compared to models of heat transfer across the hetero-interface and heat conduction in bulk in order to determine surface-near thermal parameters.

Published
2013
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