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Kyeong Su Choi 1 Article
587 A Study on How the Photoreflectance Characteristic in the Al0.21Ga0.79As/GaAs Heterostructure Affects Variable Pumping Intensity
Al0.21Ga0.79As/GaAs의 변조 빔의 세기에 대한 광반사도 특성 연구
Kyeong Su Choi, Soon-Don Choi, Jae-In Yu
최경수, 최순돈, 유재인
Korean J. Met. Mater. 2017;55(8):587-590.   Published online 2017 Aug 1
DOI: https://doi.org/10.3365/KJMM.2017.55.8.587

The photoreflectance (PR) method is advantageous in that it is more convenient to use at low temperature and high temperature than electroreflectance (ER) due to the modulation of the electric field. This is caused by the recombination of the surface state charge and the minority carriers generated by the laser..... More

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