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Physical Review Letters
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Order-disorder transition in single-crystal silicon induced by pulsed uv laser irradiation

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Abstract

Single-crystal silicon samples have been made disordered by irradiation with pulses from a frequency-quadrupled neodynium-doped-yttrium-aluminum-garnet laser with 10-8-s pulse length. We have studied the resulting amorphous layer by transmission electron microscopy and He-ion backscattering. Irradiation with longer-wavelength pulses restored the disordered layer to its original crystalline state. This order-disorder laser-radiation-induced transition is repeatable. © 1979 The American Physical Society.

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Physical Review Letters

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