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pro vyhledávání: '"K. P. H. Lui"'
Autor:
K. P. H. Lui, Frank A. Hegmann
Publikováno v:
Journal of Applied Physics. 93:9012-9018
We study the effects of lattice damage level, pump fluence, and temperature on carrier dynamics in thin silicon films. Two samples of radiation-damaged silicon-on-sapphire (RD-SOS) and one amorphous silicon thin film on sapphire were investigated. Th
Autor:
Frank A. Hegmann, K. P. H. Lui
Publikováno v:
Applied Physics Letters. 78:3478-3480
We investigate the relaxation of photogenerated carriers in radiation-damaged silicon on sapphire using a collinear optical-pump–terahertz-probe arrangement. Carrier densities greater than 1020 cm−3 are injected using 400 nm, 100 fs pump pulses,
Publikováno v:
Physical Review Letters. 89
We have measured transient photoconductivity in functionalized pentacene molecular crystals using ultrafast optical pump--terahertz probe techniques. The single crystal samples were excited using 800 nm, 100 fs pulses, and the change in transmission