Epitaxial growth and photoluminescence properties of β-FeSi2 grains using liquid phase obtained by Au-Si eutectic reaction

Kensuke Akiyama; Hiroshi Funakubo

doi:10.1117/12.2212057

8 March 2016 Epitaxial growth and photoluminescence properties of β-FeSi₂ grains using liquid phase obtained by Au-Si eutectic reaction

Kensuke Akiyama, Hiroshi Funakubo

Author Affiliations +

Proceedings Volume 9768, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XX; 97681Q (2016) https://doi.org/10.1117/12.2212057
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

Luminescent epitaxial β-FeSi₂ grains were grown on the Si (111) substrates precoated with Au-layer. These epitaxial β- FeSi₂ grains had (101)/(110)-preferred orientation and were constructed with two kinds of triple-domain structure. The Au-Si liquid phase obtained by the Au-Si eutectic reaction contributed to the formation of such β-FeSi₂ grains on the Si (111) surface. Clear photoluminescence (PL) spectrum of β-FeSi₂ were observed up to 240 K that indicated the formation of high-quality crystals with the low density of the non-radiative recombination center in the grains.

Citation Download Citation

Kensuke Akiyama and Hiroshi Funakubo "Epitaxial growth and photoluminescence properties of β-FeSi₂ grains using liquid phase obtained by Au-Si eutectic reaction", Proc. SPIE 9768, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XX, 97681Q (8 March 2016); https://doi.org/10.1117/12.2212057

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