Design of process diagnostics for excimer laser irradiation of oxide thin films

The authors have developed an in situ excimer laser irradiation system that can monitor the temperature field of oxide thin films through thermal radiation produced upon a pulsed ultraviolet laser irradiation. Thermal emission signals from a Si single crystal obtained using with this system agreed w...

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Veröffentlicht in:Japanese Journal of Applied Physics 2014-05, Vol.53 (5S1), p.5-1-05FB08-6
Hauptverfasser: Shinoda, Kentaro, Nakajima, Tomohiko, Hatano, Mutsuko, Tsuchiya, Tetsuo
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container_issue 5S1
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container_title Japanese Journal of Applied Physics
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creator Shinoda, Kentaro
Nakajima, Tomohiko
Hatano, Mutsuko
Tsuchiya, Tetsuo
description The authors have developed an in situ excimer laser irradiation system that can monitor the temperature field of oxide thin films through thermal radiation produced upon a pulsed ultraviolet laser irradiation. Thermal emission signals from a Si single crystal obtained using with this system agreed well with a numerical simulation result, validating the time constant of the measurement system. The time-dependent transient temperature profile of tin-doped indium oxide thin films, which was converted from thermal emission signals, clearly showed a recalescence behavior in its cooling curve. The transmittance data of the laser-irradiated indium oxide thin films suggested that the transmittance monitoring at near-infrared and ultraviolet-visible regions could be useful in monitoring the dopant levels and laser processing conditions, respectively.
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source IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link
subjects Excimer lasers
Indium oxides
Irradiation
Monitoring
Monitors
Oxides
Thermal emission
Thin films
Transmittance
title Design of process diagnostics for excimer laser irradiation of oxide thin films
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