Qingchun Zhang
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View article: Experiment and Analysis of Termination Robustness Design for 1200 V 4H-SiC MOSFET
Experiment and Analysis of Termination Robustness Design for 1200 V 4H-SiC MOSFET Open
This study investigates the degradation mechanisms of 1200 V SiC MOSFETs during High-temperature Reverse Bias (HTRB) reliability testing, focusing on breakdown voltage (BV) reduction. Experimental results reveal that trapped charges at the…
View article: Study of ZrO2 Gate Dielectric with Thin SiO2 Interfacial Layer in 4H-SiC Trench MOS Capacitors
Study of ZrO2 Gate Dielectric with Thin SiO2 Interfacial Layer in 4H-SiC Trench MOS Capacitors Open
The transition of SiC MOSFET structure from planar to trench-based architectures requires the optimization of gate dielectric layers to improve device performance. This study utilizes a range of characterization techniques to explore the i…
View article: Reduction of Interface State Density in 4H-SiC MOS Capacitors Modified by ALD-Deposited Interlayers
Reduction of Interface State Density in 4H-SiC MOS Capacitors Modified by ALD-Deposited Interlayers Open
This study proposed an innovative method for growing gate oxide on silicon carbide (SiC), where silicon oxide (SiO2) was fabricated on a deposited Al2O3 layer, achieving high quality gate oxide. A thin Al2O3 passivation layer was deposited…
View article: High-Breakdown and Low-Leakage 4H-SiC MOS Capacitor Based on HfO2/SiO2 Stacked Gate Dielectric in Trench Structures
High-Breakdown and Low-Leakage 4H-SiC MOS Capacitor Based on HfO2/SiO2 Stacked Gate Dielectric in Trench Structures Open
The progression of SiC MOSFET technology from planar to trench structures requires optimized gate oxide layers within the trench to enhance device performance. In this study, we investigated the interface characteristics of HfO2 and SiO2/H…
View article: Adsorption Mechanism of NaY Zeolite on Space Contaminants in the CO<sub>2</sub>-rich Atmosphere of Mars
Adsorption Mechanism of NaY Zeolite on Space Contaminants in the CO<sub>2</sub>-rich Atmosphere of Mars Open
View article: Outbreak of a Takayama Acrotrocha Bloom in Summer 2024 Associated with Intense Precipitation and Warm Weather Along the North Coast of Shandong, China
Outbreak of a Takayama Acrotrocha Bloom in Summer 2024 Associated with Intense Precipitation and Warm Weather Along the North Coast of Shandong, China Open
View article: Differential oxidative effects of malondialdehyde and heme on surimi actomyosin: A comprehensive analysis via multiple spectroscopy and molecular dynamics simulations
Differential oxidative effects of malondialdehyde and heme on surimi actomyosin: A comprehensive analysis via multiple spectroscopy and molecular dynamics simulations Open
View article: Outbreak of a Takayama Acrotrocha Bloom in Summer 2024 Associated with Intense Precipitation and Warm Weather Along the North Coast of Shandong, China
Outbreak of a Takayama Acrotrocha Bloom in Summer 2024 Associated with Intense Precipitation and Warm Weather Along the North Coast of Shandong, China Open
View article: Novel plasma cytokines identified and validated in children during lead exposure according to the new updated BLRV
Novel plasma cytokines identified and validated in children during lead exposure according to the new updated BLRV Open
View article: High-temperature time-dependent dielectric breakdown of 4H-SiC MOS capacitors
High-temperature time-dependent dielectric breakdown of 4H-SiC MOS capacitors Open
—With the rapid applications of silicon carbide metal–oxide–semiconductor field-effect transistor (SiC MOSFET) power devices, further improving the performance of SiC MOSFET device through enhancing its gate oxide reliability is one of the…
View article: High Pressure–Temperature Study of MgF<sub>2</sub>, CaF<sub>2</sub>, and BaF<sub>2</sub> by Raman Spectroscopy: Phase Transitions and Vibrational Properties of AF<sub>2</sub> Difluorides
High Pressure–Temperature Study of MgF<sub>2</sub>, CaF<sub>2</sub>, and BaF<sub>2</sub> by Raman Spectroscopy: Phase Transitions and Vibrational Properties of AF<sub>2</sub> Difluorides Open
The phase transition of AF2 difluorides strongly depends on pressure, temperature, and cationic radius. Here, we have investigated the phase transition of three difluorides, including MgF2, CaF2, and BaF
View article: Reconstruction of Climate and Environmental Evolution in the Northeastern Tibetan Plateau Since the Holocene Based on Aeolian Sediments
Reconstruction of Climate and Environmental Evolution in the Northeastern Tibetan Plateau Since the Holocene Based on Aeolian Sediments Open
This study aims to elucidate the climatic and environmental evolution and its driving mechanisms in the northeastern Tibetan Plateau since the Holocene. Detailed analysis of the KSH profile, combined with Optically Stimulated Luminescence …
View article: Non-Uniform Low-Light Face Image Enhancement Based on Dark Channel Prior and Image Uniform Posterior
Non-Uniform Low-Light Face Image Enhancement Based on Dark Channel Prior and Image Uniform Posterior Open
Non-uniform low-light images, characterized by complex lighting conditions, pose a significant challenge in image restoration and enhancement, particularly under backlit scenarios where the high-brightness background obscures the foregroun…
View article: Vibration Characteristic Analysis of a Two-Stage Gear Transmission System with Tooth Crack and Profile Shifted
Vibration Characteristic Analysis of a Two-Stage Gear Transmission System with Tooth Crack and Profile Shifted Open
View article: Investigation on the microstructures, mechanical properties and impact initiation characteristics of Al/PTFE reactive materials reinforced by TiH2 particles
Investigation on the microstructures, mechanical properties and impact initiation characteristics of Al/PTFE reactive materials reinforced by TiH2 particles Open
Aluminum/Polytetrafluoroethylene (Al/PTFE) is a representative energetic material, which can be used in many fields including defense weapon fragments, insensitive penetrator or oil-well perforation. However, the insufficient mechanical st…
View article: Single-crystal elasticity of humite-group minerals by Brillouin scattering
Single-crystal elasticity of humite-group minerals by Brillouin scattering Open
Humite-group minerals play a crucial role in transporting water and fluorine to the Earth’s deep mantle through slab sinking. In this study, we have used Brillouin scattering to determine the single-crystal elastic constants of four natura…
View article: Correlation analysis of treatment positions and body mass index on acute radiation enteritis for cervical cancer patients underwent volumetric modulated arc therapy
Correlation analysis of treatment positions and body mass index on acute radiation enteritis for cervical cancer patients underwent volumetric modulated arc therapy Open
To investigate the correlation of the incidence of acute radiation-induced enteritis with the factors of patient treatment position and body mass index (BMI) in cervical cancer patient treated with the volumetric modulated arc therapy (VMA…
View article: Research of Detection of Phosmet Residues on Orange by Surface-Enhanced Raman Spectroscopy with Silver Nanowires
Research of Detection of Phosmet Residues on Orange by Surface-Enhanced Raman Spectroscopy with Silver Nanowires Open
View article: Sterical Self-Consistency of Carbonaceous Nanopolyhedra Triggered by Introduced Cnts to Optimize Orr Performance
Sterical Self-Consistency of Carbonaceous Nanopolyhedra Triggered by Introduced Cnts to Optimize Orr Performance Open
View article: Understanding the synergistically enhanced thermocatalytic decomposition of ammonium perchlorate using cobalt nanoparticle-embedded nitrogen-doped graphitized carbon
Understanding the synergistically enhanced thermocatalytic decomposition of ammonium perchlorate using cobalt nanoparticle-embedded nitrogen-doped graphitized carbon Open
The excellent catalytic activity of Co-NPs@NC is attributed to the well-dispersed Co NPs, the intrinsic adsorption capacity for NH 3 , and the synergistically enhanced effect of NC, which favor the thermal catalytic decomposition of AP.
View article: Erratum to: Development of chloroplast marker for identification of Ulva species
Erratum to: Development of chloroplast marker for identification of Ulva species Open
View article: CCDC 2077973: Experimental Crystal Structure Determination
CCDC 2077973: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2090539: Experimental Crystal Structure Determination
CCDC 2090539: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2077974: Experimental Crystal Structure Determination
CCDC 2077974: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2084665: Experimental Crystal Structure Determination
CCDC 2084665: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Development of Specific DNA Barcodes for the Dinophyceae Family Kareniaceae and Their Application in the South China Sea
Development of Specific DNA Barcodes for the Dinophyceae Family Kareniaceae and Their Application in the South China Sea Open
Species from the family Kareniaceae (Dinophyceae) frequently cause harmful algal blooms (HABs), with serious ecological impacts and risks to human safety and aquaculture activities in coastal waters worldwide. However, due to their small s…
View article: CCDC 2082047: Experimental Crystal Structure Determination
CCDC 2082047: Experimental Crystal Structure Determination Open
View article: Zeolite Imidazolate Frameworks-67 Precursor to Fabricate a Highly Active Cobalt-Embedded N-Doped Porous Graphitized Carbon Catalyst for the Thermal Decomposition of Ammonium Perchlorate
Zeolite Imidazolate Frameworks-67 Precursor to Fabricate a Highly Active Cobalt-Embedded N-Doped Porous Graphitized Carbon Catalyst for the Thermal Decomposition of Ammonium Perchlorate Open
The more apparent specific heat release at a lower high-temperature decomposition (HTD) temperature of ammonium perchlorate (AP) poses a challenge for the development of highly active catalysts. In this work, a well-designed cobalt-embedde…
View article: A Cytokinin Analog Thidiazuron Suppresses Shoot Growth in Potted Rose Plants via the Gibberellic Acid Pathway
A Cytokinin Analog Thidiazuron Suppresses Shoot Growth in Potted Rose Plants via the Gibberellic Acid Pathway Open
Application of thidiazuron ( N -phenyl- N ′-1,2,3-thiadiazol-5-ylurea, TDZ), a cytokinin analog, to inhibit the leaf yellowing that occurs after pinching potted rose plants, resulted in compact plants with shorter shoots and thicker intern…
View article: Association between Atrial Fibrillation Incidence and Temperatures, Wind Scale and Air Quality: An Exploratory Study for Shanghai and Kunming
Association between Atrial Fibrillation Incidence and Temperatures, Wind Scale and Air Quality: An Exploratory Study for Shanghai and Kunming Open
As a common cardiovascular disease, atrial fibrillation has the characteristics of high morbidity, high disability, and high fatality rates, seriously endangering human health and sustainability. Some research has confirmed that environmen…