SATO ferroelectric UV photodetector

≈10,000× faster response

Single-domain ferroelectric film eliminates domain-boundary scattering, enabling ultrahigh sensitivity and nanosecond response in UV detection.

Yan, Xuexi · Yan, Tingting · Li, Lingli · Cao, Yi · Wang, Xinwei · Wang, Jinghui · Tao, Ang · Yao, Tingting · Jiang, Yixiao · Hu, Weijin · Fang, Xiaosheng · Ye, Hengqiang · Ma, Xiuliang · Chen, Chunlin

Nature Communications 2025

Specifications

剩余极化

{'zh': '7.8', 'en': ''} μC/cm²

响应度

{'zh': '860', 'en': ''} mA/W

探测率

{'zh': '1.63 × 10¹³', 'en': ''} Jones

response speed ns

{'zh': '6.8', 'en': '7'} ns

Advantages

Polarization retention exceeds 500 h

Switching ratio 1.9 × 10⁴