Runzhang Xie
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View article: Critical band-to-band-tunnelling based optoelectronic memory
Critical band-to-band-tunnelling based optoelectronic memory Open
Neuromorphic vision hardware, embedded with multiple functions, has recently emerged as a potent platform for machine vision. To realize memory in sensor functions, reconfigurable and non-volatile manipulation of photocarriers is highly de…
View article: Giant infrared bulk photovoltaic effect in tellurene for broad-spectrum neuromodulation
Giant infrared bulk photovoltaic effect in tellurene for broad-spectrum neuromodulation Open
Given the surpassing of the Shockley-Quiesser efficiency limit in conventional p-n junction photovoltaic effect, bulk photovoltaic effect (BPVE) has garnered significant research interest. However, the BPVE primarily focuses on a narrow wa…
View article: Room-temperature low-threshold avalanche effect in stepwise van-der-Waals homojunction photodiodes
Room-temperature low-threshold avalanche effect in stepwise van-der-Waals homojunction photodiodes Open
Avalanche or carrier-multiplication effect, based on impact ionization processes in semiconductors, has a great potential for enhancing the performance of photodetector and solar cells. However, in practical applications, it suffers from h…
View article: Examining the Influence of the Water Entry Velocity of Projectiles on Supercavity Flow and Ballistic Characteristics under Wave Conditions
Examining the Influence of the Water Entry Velocity of Projectiles on Supercavity Flow and Ballistic Characteristics under Wave Conditions Open
In this study, we aim to examine the influence of water entry velocity of a single and two tandem projectile(s) on the supercavitation flow and projectile loading under wave conditions using numerical simulation. The volume of fluid model,…
View article: The Effect of He Ion Irradiation and Annealing Process to the Pec Properties of Cdte/Cds/Pt Photocathode
The Effect of He Ion Irradiation and Annealing Process to the Pec Properties of Cdte/Cds/Pt Photocathode Open
View article: Next‐Generation Photodetectors beyond Van Der Waals Junctions (Adv. Mater. 3/2024)
Next‐Generation Photodetectors beyond Van Der Waals Junctions (Adv. Mater. 3/2024) Open
Next-Generation Photodetectors The van der Waals junction, which is newly flourishing, shows extraordinary performance and versatile manipulation routes. In article number 2301197, Weida Hu and co-workers systematically review most manipul…
View article: Floating gate photo-memory devices based on van der Waals heterostructures for neuromorphic image recognition
Floating gate photo-memory devices based on van der Waals heterostructures for neuromorphic image recognition Open
Two-dimensional (2D) materials with reconfigurable properties show potential in neuromorphic hardware applications. However, most 2D materials-based neuromorphic hardware is volatile, which needs large energy to accomplish perception funct…
View article: Configurable circular-polarization-dependent optoelectronic silent state for ultrahigh light ellipticity discrimination
Configurable circular-polarization-dependent optoelectronic silent state for ultrahigh light ellipticity discrimination Open
Filterless light-ellipticity-sensitive optoelectronic response generally has low discrimination, thus severely hindering the development of monolithic polarization detectors. Here, we achieve a breakthrough based on a configurable circular…
View article: How to characterize figures of merit of two-dimensional photodetectors
How to characterize figures of merit of two-dimensional photodetectors Open
Photodetectors based on two-dimensional (2D) materials have been the focus of intensive research and development over the past decade. However, a gap has long persisted between fundamental research and mature applications. One of the main …
View article: Pristine PN junction toward atomic layer devices
Pristine PN junction toward atomic layer devices Open
View article: SRH suppressed P-G-I design for very long-wavelength infrared HgCdTe photodiodes
SRH suppressed P-G-I design for very long-wavelength infrared HgCdTe photodiodes Open
The very long wavelength infrared (VLWIR, >14 µm) spectral band is an indispensable part of new-generation infrared remote sensing. Mercury cadmium telluride (HgCdTe or MCT) has shown excellent potential across the entire infrared band. Ho…
View article: Artificial micro- and nano-structure enhanced long and very long-wavelength infrared detectors
Artificial micro- and nano-structure enhanced long and very long-wavelength infrared detectors Open
The infrared detectors own the ability to convert information carried by photons radiated by objects into electrical signals, which broadens the horizons of human beings observing the natural environment and human activities. At present, l…
View article: Design and application of a novel cold chain pallet using a phase change material.
Design and application of a novel cold chain pallet using a phase change material. Open
The refrigerated transport vehicles and the high operating costs consisting of energy consumption and manual labour. A novel cold chain pallet incorporating water as a phase change material (PCM) has been designed. When in use, the PCM pal…
View article: Ultra-broadband thermal radiator for daytime passive radiative cooling based on single dielectric SiO2 on metal Ag
Ultra-broadband thermal radiator for daytime passive radiative cooling based on single dielectric SiO2 on metal Ag Open
View article: Skin effect photon-trapping enhancement in infrared photodiodes
Skin effect photon-trapping enhancement in infrared photodiodes Open
With the development of infrared optoelectronic technology, high responsivity, ultra-low dark current, and high response speed have become important factors of the next generation of infrared photodiodes. However, the minimum thickness of …
View article: Blackbody-sensitive room-temperature infrared photodetectors based on low-dimensional tellurium grown by chemical vapor deposition
Blackbody-sensitive room-temperature infrared photodetectors based on low-dimensional tellurium grown by chemical vapor deposition Open
Low-dimensional Te-based photodetectors exhibit blackbody response and achieve record-set performance metrics.
View article: Spatial description theory of narrow-band single-carrier avalanche photodetectors
Spatial description theory of narrow-band single-carrier avalanche photodetectors Open
The avalanche is the foundation of the understanding and vast applications of the breakdown of semiconductors and insulators. Present numerical theories analyzing the avalanche photodetectors are mainly split into two categories: the macro…
View article: Supplementary document for Simultaneous control of intensity, phase, and polarization in real-time under weak oscillation theory - 5083942.pdf
Supplementary document for Simultaneous control of intensity, phase, and polarization in real-time under weak oscillation theory - 5083942.pdf Open
The supplemental text contains the derivation process of the total field, the simulation methods, simplification of Jones matrix, optimization algorithm, and schematic illustration of electric circuits.
View article: Two broad absorption bands in infrared atmosphere transparent windows by trapezoid multilayered grating
Two broad absorption bands in infrared atmosphere transparent windows by trapezoid multilayered grating Open
We proposed a metamaterial absorber composed of an array of trapezoid multilayered grating Au and InP on top of an opaque substrate, which covers two atmosphere-transparent-window bands with appropriate modulation of geometric parameters. …
View article: Noble Metal Dichalcogenides: A Noble Metal Dichalcogenide for High‐Performance Field‐Effect Transistors and Broadband Photodetectors (Adv. Funct. Mater. 5/2020)
Noble Metal Dichalcogenides: A Noble Metal Dichalcogenide for High‐Performance Field‐Effect Transistors and Broadband Photodetectors (Adv. Funct. Mater. 5/2020) Open
In article number 1907945, Fang Wang, Qinghua Zhang, Xiaohao Zhou, Weida Hu, and co-workers show that 2D materials exhibit excellent properties, such as atomic thinness, tunable bandgap, and high carrier mobility. The family of 2D material…
View article: Design of Multi-temperature Cold Storage Vehicle and Analysis on Temperature Field in Vehicle
Design of Multi-temperature Cold Storage Vehicle and Analysis on Temperature Field in Vehicle Open
© 2019, Chinese Society of Agricultural Machinery. All right reserved. A multi-temperature vehicle incorporating phase change material (PCM) was designed to help multi-temperature joint distribution and widen temperature control range, whi…
View article: Design and no-load performance test of GU-PCM2 temperature controlled phase change storage refrigerator
Design and no-load performance test of GU-PCM2 temperature controlled phase change storage refrigerator Open
© 2019, Editorial Department of the Transactions of the Chinese Society of Agricultural Engineering. All right reserved. The existing phase change material (PCM) devices of PCM refrigerated truck are mostly arranged on the top of the carri…
View article: Experimentation on Air Leakage Characteristics and Key Paremeters Analysis of Refrigerated Transport Unit
Experimentation on Air Leakage Characteristics and Key Paremeters Analysis of Refrigerated Transport Unit Open
At present,the test index of air leakage is not uniform in different standards in China.Constant pressure difference method and tracer gas concentration decay method were used to test air tightness characteristic of refrigerated transport …