Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
54 (1989), S. 2470-2472
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Infrared pulses (1.06 μm wavelength, ≈150 ps long) from a Nd:YAG laser illuminated a superconducting YBa2Cu3O7 granular film, 0.7 μm thick. This caused the film to switch from the superconducting to the normal (resistive) state in less than 2 ns, followed by a much slower recovery ∼1 μs. The initial fast switching may be explained by nonequilibrium hot-electron energy transfer from the top absorbing layer (≈100 nm thick) through the film, followed by an essentially bolometric response and cooldown via equilibrium thermal conduction out of the film.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.101538
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