Dynamic response of an accelerator driven system to accelerator beam interruptions for criticality

Low-light-level photodetections are highly desired in the fields of astronomy and quantum information. However, the existing techniques suffer from high operation voltages and complexity of fabrication, which reduces its compatibility with complementary metal oxide semiconductors (CMOS) based read-out circuit and prevent the use of imaging. Here, a low-light-level phototransistor that employs a photo-induced ferroelectric reversal mechanism in a ferroelectric semiconductor channel: α-In 2 Se 3 is demonstrated. It shows a record-low noise-equivalent power of 7.9 × 10 −22 W Hz −1/2 , a recordhigh specific detectivity of 6.34 × 10 17 Jones, and sensitivity approaching 20 photons in a photon-counting mode, and fast time response of 260 µs/50 ns in the rise/decay period. It also works as an optoelectronic memory with an on/off ratio of 2.9 × 10 5 , retention of longer than 10 years, and endurance of more than 10 6 cycles. Due to its high performance, simple architecture, and small operation voltage, the phototransistor provides a feasible platform for new-generation low-light-level image sensors.

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Ultrasensitive Ferroelectric Semiconductor Phototransistors for Photon‐Level Detection

Yang

Wang

Guo

et al. 2022

Adv Funct Materials

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Ultrasensitive solar-blind ultraviolet detection and optoelectronic neuromorphic computing using α-In2Se3 phototransistors

et al. 2023

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The effect of beam interruptions on the integrity of ADSR fuel pin cladding: A thermo-mechanical analysis

Ahmad

Sheehy

Parks

2012

Annals of Nuclear Energy

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Dynamic response of an accelerator driven system to accelerator beam interruptions for criticality

Cited by 3 publications

References 23 publications

Ultrasensitive Ferroelectric Semiconductor Phototransistors for Photon‐Level Detection

Ultrasensitive Ferroelectric Semiconductor Phototransistors for Photon‐Level Detection

Ultrasensitive solar-blind ultraviolet detection and optoelectronic neuromorphic computing using α-In2Se3 phototransistors

The effect of beam interruptions on the integrity of ADSR fuel pin cladding: A thermo-mechanical analysis

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