Ion doping induced photoconductivity enhancement and fast photorefractive response in LiNbO 3 and LiTaO 3 crystals: defect structure evolution and mechanism

Key Points

• This research aims to explore how ion doping affects the photoconductivity and photorefractive properties of lithium niobate and lithium tantalate crystals.
• Utilized lithium niobate and lithium tantalate crystals
• Applied ion doping to modify crystal properties
• Analyzed changes in defect structure and photoconductivity response
• Observed significant enhancement in photoconductivity due to ion doping
• Detected faster photorefractive responses in modified crystals
• Noted structural changes in defect sites as a result of doping