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Proceedings Paper

Al2O3 single-crystalline substrates for optoelectronic applications
Author(s): C. Logofatu; Brandusa Iliescu; Ionut Enculescu; Cristiana E. A. Grigorescu; Stefan A. Manea
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Paper Abstract

This paper reports on controlled electric and optical properties of single crystalline sapphire for substrates use. The crystals were grown by the Czochralski method from a graphite crucible by using an original non-conventional crystal growth assembly. We paid a special attention to the homogeneity of the crystal. A new model for the electric conduction mechanisms is considered, the validity of which was confirmed by experimental measurements.

Paper Details

Date Published: 2 July 1998
PDF: 5 pages
Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); doi: 10.1117/12.312684
Show Author Affiliations
C. Logofatu, National Institute for Laser, Plasma, and Radiation Physics (Romania)
Brandusa Iliescu, National Institute for Materials Physics (Romania)
Ionut Enculescu, National Institute for Materials Physics (Romania)
Cristiana E. A. Grigorescu, Institute of Optoelectronics (Romania)
Stefan A. Manea, National Institute for Materials Physics (Romania)


Published in SPIE Proceedings Vol. 3405:
ROMOPTO '97: Fifth Conference on Optics
Valentin I. Vlad; Dan C. Dumitras, Editor(s)

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