Effect of CW laser illumination on Fe-doped β-Ga2O3
2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)(2021)
摘要
Gallium oxide are a potential material for many applications and recent research showed its strong anisotropic properties in THz range. We applied THz-TDS and CW laser to study the excited carrier dynamics in our sample (Ga
2
O
3
, 010, Fe-doped). The results showed different response along two crystal axes. Along the a-axis we observed Drude response and conductivity are increasing with CW laser increasing, as the same as we expected. Our fitting results (by Drude model) of this direction also agreed with our expectation. Along the c-axis we observed non-Drude response and further experiments are needed.
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关键词
excited carrier dynamics,crystal axes,conductivity,nonDrude response,CW laser illumination,anisotropic properties,THz-TDS,Ga2O3:Fe
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