8 March 2016 Epitaxial growth and photoluminescence properties of β-FeSi2 grains using liquid phase obtained by Au-Si eutectic reaction
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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.
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Kensuke Akiyama, Kensuke Akiyama, Hiroshi Funakubo, 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); doi: 10.1117/12.2212057; https://doi.org/10.1117/12.2212057
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