Shujun Cai
YOU?
Author Swipe
View article: A low-power, high-sensitivity CMOS-MEMS flow sensor for respiration health evaluation
A low-power, high-sensitivity CMOS-MEMS flow sensor for respiration health evaluation Open
View article: Stimulated Brillouin scattering microscopy with a high-peak-power 780-nm pulsed laser system
Stimulated Brillouin scattering microscopy with a high-peak-power 780-nm pulsed laser system Open
View article: Effective Bandstructure Model for Monte Carlo Simulations of Electron and Hole Transport in Germanium
Effective Bandstructure Model for Monte Carlo Simulations of Electron and Hole Transport in Germanium Open
A simple yet highly effective band structure model of germanium (Ge) for electron and hole transport in bulk semiconductor is developed for Monte Carlo (MC) simulations at 300 K. The simulated electron and hole drift velocities versus the …
View article: High aspect ratio and damage-free multifocal femtosecond-laser stealth dicing towards wafer-scale GaN-based mini-LEDs
High aspect ratio and damage-free multifocal femtosecond-laser stealth dicing towards wafer-scale GaN-based mini-LEDs Open
Femtosecond laser has greatly enabled the development of high-resolution, high-aspect-ratio and damage-free nano-processing. In this study, we adopted single- and multifocal femtosecond laser stealth dicing to fabricate the on-wafer GaN-ba…
View article: Exploring the impacts of <i>u</i>-GaN surface roughness for the optoelectronic performance of mini-LEDs
Exploring the impacts of <i>u</i>-GaN surface roughness for the optoelectronic performance of mini-LEDs Open
In this study, 300 × 300 µ m 2 mini-LEDs were fabricated on the patterned sapphire substrate and lifted off by using the diode-pumped solid-state laser. Then, the surface of u -GaN was flattened and roughened (FR) by using the ICP and chem…
View article: Structural flexible magnetic films for biometric encryption and tactile interaction in wearable devices
Structural flexible magnetic films for biometric encryption and tactile interaction in wearable devices Open
Human fingers have fingerprints and mechanoreceptors for biometric information encryption and tactile perception. Ideally, electronic skin (e-skin) integrates identity information and tactile sensing, but this remains challenging. Research…
View article: An Ultra‐Wideband GaN PA MMIC With High‐Efficiency
An Ultra‐Wideband GaN PA MMIC With High‐Efficiency Open
In this work, a three‐stage ultra‐wideband and high‐efficiency monolithic microwave integrated circuit (MMIC) power amplifier (PA) from 17 to 41 GHz has been designed and realized. The available bandwidth, efficiency, output power, and dra…
View article: Impacts of removing the p-AlGaN electron blocking layer for ultra-low-current injected blue micro-LEDs
Impacts of removing the p-AlGaN electron blocking layer for ultra-low-current injected blue micro-LEDs Open
In this work, the 34 × 58 μ m 2 ultra-low-current injected blue micro-LEDs with and without p-AlGaN electron blocking layer (EBL) were fabricated. The measured optoelectronic performance of these micro-LEDs reveals that the peak external q…
View article: Subtomogram averaging and classification v1
Subtomogram averaging and classification v1 Open
This protocol describes the procedure of subtomogram averaging and 3D classification of VPS13C rod-shaped densities inside cryotomograms of mammalian cells. Sub-tomogram averaging package i3 was used for 3D alignment and classification.
View article: Cell culture on EM grids and fluorescence microscopy imaging v1
Cell culture on EM grids and fluorescence microscopy imaging v1 Open
This protocol describes the general procedure of seeding mammalian cells on EM grids and confocal fluorescence microscopy imaging of grids for subsequent cryo-tomography experiments, performed.
View article: Structural prediction of VPS13C with AlphaFold2 v1
Structural prediction of VPS13C with AlphaFold2 v1 Open
This protocol describes the procedure of structural prediction of full-length human VPS13C and its truncation mutant with AlphaFold2 and the procedure to combine each segments into one structure.
View article: Cell culture and transfection v1
Cell culture and transfection v1 Open
This protocol describes the general preparation of cells for imaging.
View article: Cryo Focused Ion Beam milling v1
Cryo Focused Ion Beam milling v1 Open
This protocol describes the procedure of cryo-focused ion beam milling.
View article: Tilt series collection and reconstruction for cryo-electron tomography v1
Tilt series collection and reconstruction for cryo-electron tomography v1 Open
This protocol describes the procedure of cryo-electron tomography of cryo-FIB milled lamella. Tomographic tilt series is collected in a Titan Krios TEM equipped with a field emission gun operated at 300 kV, a GIF Quantum LS post-column ene…
View article: Plunge freezing v1
Plunge freezing v1 Open
This protocol describes the procedure of plunge freezing for subsequent cryo-electron tomography.
View article: 128-pixel arrays of 4H-SiC UV APD with dual-frequency PECVD SiN<sub>x</sub> passivation
128-pixel arrays of 4H-SiC UV APD with dual-frequency PECVD SiN<sub>x</sub> passivation Open
In this paper, high-performance 1×128 linear arrays of 4H-SiC ultraviolet (UV) avalanche photodiode (APD) with dual-frequency plasma enhanced chemical vapor deposition (PECVD) passivation are demonstrated for the first time. The results sh…
View article: High‐uniformity 1 × 64 linear arrays of silicon carbide avalanche photodiode
High‐uniformity 1 × 64 linear arrays of silicon carbide avalanche photodiode Open
In this Letter, high‐uniformity 1 × 64 linear arrays of 4H‐SiC avalanche photodiode (APD) are reported for ultraviolet detection. Multi‐cycle inductively coupled plasma dry etching was adopted for the bevelled mesa formation, during which …
View article: Growth of graphene with large single-crystal domains by Ni foam-assisted structure and its high-gain field-effect transistors
Growth of graphene with large single-crystal domains by Ni foam-assisted structure and its high-gain field-effect transistors Open
Growth of large-domain-sized single-crystal graphene with controlled nucleation density by Ni foam structure.
View article: AlGaN/GaN pressure sensor with a Wheatstone bridge structure
AlGaN/GaN pressure sensor with a Wheatstone bridge structure Open
In this work, a Wheatstone bridge-type pressure sensor based on AlGaN/GaN heterostructure was fabricated for the first time. The pressure sensor consisted of four gateless high electron mobility transistors (HEMTs) on a 585 μm depth circul…