Growth of Tensile Strained Poly Germanium Thin Film on Glass Substrates by High Speed Continuous Wave Laser Annealing, and its Application to Germanium-Tin
Growth of Tensile Strained Poly Germanium Thin Film on Glass Substrates by High Speed Continuous Wave Laser Annealing, and its Application to Germanium-Tin
复制标题
高速连续波激光退火在玻璃基板上生长拉伸应变多聚锗薄膜及其在锗锡中的应用
DOI:
10.1149/2162-8777/aba4f1
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发表时间:
2020
影响因子:
2.2
通讯作者:
Fukata Naoki
中科院分区:
文献类型:
--
作者:
Matsumura Ryo;Fukata Naoki
To realize next generation electronics, liquid phase crystallization of germanium based materials on quartz substrates is investigated by continuous wave laser annealing system which enables microsecond annealing. As a result, large grain polycrystalline germanium thin film with∼ 0.6% tensile strain has successfully grown on quartz substrates. Moreover, we have applied this method on germanium-tin thin film growth and realized germanium-tin crystals with high substitutional tin concentration (up to∼ 13%). By using these films, modulation phenomena of tin concentration in the crystals depending on annealing time were observed. From the phenomena, we could also closely discuss about strong correlation of substitutional Sn concentration on Raman signals. These findings and discussions will facilitate the study of germanium-tin thin film growth and characterization.
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影响因子:
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通讯作者:
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DOI:
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期刊:
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DOI:
--
发表时间:
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