Optical and conductive properties of Antimony-Bismuth co-doped titanium dioxide in terahertz range

Muhammad Mumtaz,M. Ahsan Mahmood,Sabih D Khan,M. Aslam Zia, Amjid Iqbal,Mushtaq Ahmed,Izhar Ahmad

Infrared Physics & Technology（2021）

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摘要

•Study of optical properties of (Sb+Bi) co-doped titanium dioxide with THz-TDS.•A prominent tuning of these parameters has been observed with doping concentration.•The tuning of these parameters has been compared with Sb-doped and Bi-doped TiO2.•The Drude-Smith model fitting on THz conductivity describes its mechanism.•Plasma frequency and carrier scattering time have been extracted.

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关键词

Terahertz,Refractive index,Absorption coefficient,Conductivity,Titanium dioxide,Co-doped

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