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Laser induced metastable phases in microcrystalline silicon

Sergei Sergeevich Bukalov 1
Sergei Sergeevich Bukalov
Rinat Ravil'evich Aysin 1
Rinat Ravil'evich Aysin
1 A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Moscow, Russian Federation
Published 2023-02-13
CommunicationVolume 33, Issue 2, 209-211
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Bukalov S. S., Aysin R. R. Laser induced metastable phases in microcrystalline silicon // Mendeleev Communications. 2023. Vol. 33. No. 2. pp. 209-211.
GOST all authors (up to 50) Copy
Bukalov S. S., Aysin R. R. Laser induced metastable phases in microcrystalline silicon // Mendeleev Communications. 2023. Vol. 33. No. 2. pp. 209-211.
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TY - JOUR
DO - 10.1016/j.mencom.2023.02.019
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2023.02.019
TI - Laser induced metastable phases in microcrystalline silicon
T2 - Mendeleev Communications
AU - Bukalov, Sergei Sergeevich
AU - Aysin, Rinat Ravil'evich
PY - 2023
DA - 2023/02/13
PB - Mendeleev Communications
SP - 209-211
IS - 2
VL - 33
ER -
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@article{2023_Bukalov,
author = {Sergei Sergeevich Bukalov and Rinat Ravil'evich Aysin},
title = {Laser induced metastable phases in microcrystalline silicon},
journal = {Mendeleev Communications},
year = {2023},
volume = {33},
publisher = {Mendeleev Communications},
month = {Feb},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2023.02.019},
number = {2},
pages = {209--211},
doi = {10.1016/j.mencom.2023.02.019}
}
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Bukalov, Sergei Sergeevich, and Rinat Ravil'evich Aysin. “Laser induced metastable phases in microcrystalline silicon.” Mendeleev Communications, vol. 33, no. 2, Feb. 2023, pp. 209-211. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2023.02.019.

Keywords

line broadening and shifting
local heating
metastable phase
Raman spectroscopy
silicon

Abstract

It has been found using Raman spectroscopy that metastable Si phases reversibly appear in silicon microparticles (µ-Si) due to local heating on increasing the power of a He-Ne excitation laser from 0.03 to 3 mW. Prolonged annealing of these phases by laser radiation makes it possible to estimate that local heating occurs to a temperature of ∼250 °C rather than 1000 °C as it was believed previously.

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