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Temperature dependences of (a) resistance (solid lines) and (b) power transmittance of terahertz wave (open circles and filled triangles) for thin film. Inset shows the Fourier transformed spectrum of the terahertz wave.
Time evolutions of changes of the terahertz power transmittance for (a) single crystal and (b) thin film induced by photoexcitation at .
Excitation density dependence of (a) the temporal evolutions of the terahertz power transmittance and (b) the magnitudes of the transmittance at , 5, and in (a) were plotted for thin films.
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