Paper
3 June 1998 Application of KrCI excilamp for cleaning GaAs surfaces using atomic hydrogen
Victor F. Tarasenko, Valerii A. Kagadei, Mikhail I. Lomaev, Alexei N. Panchenko, Dmitrii I. Proskurovsky
Author Affiliations +
Abstract
Novel single block process facility including UV excilamp and sources of atomic hydrogen is described. Circular sealed-off KrCl* excilamp emitting two intensive bands at 195 and 222 nm was used. The source of atomic hydrogen on the base of reflecting Penning arc discharge was placed in line with the lamp. Semiconducting structures were treated in an expanding effusion jet of atomic hydrogen. The possibility to realize the process of cleaning GaAs surface under joint action of atomic hydrogen and UV radiation has been investigated. Effect of UV radiation on the rate of removing oxide layer is found at low temperature (18 - 100 degree(s)C). The mechanism providing an explanation for this event is suggested. The possibility to realize GaAs surface cleaning using successive performing the procedures of the surface treatment by atomic hydrogen, its oxidation with UV- stimulation and additional treatment by atomic hydrogen was also studied. The sources of atomic hydrogen and UV radiation developed allows to improve cleaning control and provides a way of producing the surface with specified properties.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Victor F. Tarasenko, Valerii A. Kagadei, Mikhail I. Lomaev, Alexei N. Panchenko, and Dmitrii I. Proskurovsky "Application of KrCI excilamp for cleaning GaAs surfaces using atomic hydrogen", Proc. SPIE 3274, Laser Applications in Microelectronic and Optoelectronic Manufacturing III, (3 June 1998); https://doi.org/10.1117/12.309500
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Cited by 2 scholarly publications and 1 patent.
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KEYWORDS
Hydrogen

Ultraviolet radiation

Oxides

Gallium arsenide

Radiation effects

Etching

Semiconductors

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