Effect of Growth Conditions on the Cathodoluminescence of β-Ga2O3 Crystals Grown by Electric Current Heating Method

Abstract:

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Beta gallium oxide (β-Ga2O3) crystals were grown on β-Ga2O3 ceramics heated by electric current under vacuum at various ambient temperatures. From cathodoluminescence at room temperature, emission peaks at 2.9 and 3.5 eV were clearly observed. With increasing ambient temperature, the relative intensity of ultraviolet emission (3.5 eV) to blue emission (2.9 eV) showed a peak at 400oC. These results suggest that the ambient temperature during the electric current heating of β-Ga2O3 ceramics in vacuum is one of the most effective factors for the ultraviolet emissive β-Ga2O3 crystal.

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Periodical:

Edited by:

Masaru Miyayama, Tadashi Takenaka, Masasuke Takata and Kazuo Shinozaki

Pages:

181-184

DOI:

10.4028/www.scientific.net/KEM.301.181

Citation:

K. Suzuki et al., "Effect of Growth Conditions on the Cathodoluminescence of β-Ga2O3 Crystals Grown by Electric Current Heating Method ", Key Engineering Materials, Vol. 301, pp. 181-184, 2006

Online since:

January 2006

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$35.00

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