Zhigang Jia

Hybrid RGO–CNTs engineering for improved electrocatalytic activity and durability of RuO2–IrO2–SnO2/Ti electrodes

Lei Wu, Quanzhong Guo, Minghang Gong, Yong Wang et autres

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Reduction of thermal generation for the dual-junction cascade 940 nm VCSEL by adopting tunnel junction

Hailiang Dong, Bingtao Shi, Linjin Song, Zhigang Jia et autres

Abstract Joule heat generated in the p-type distributed Bragg reflector (DBR) is a primary cause of the rapid temperature increase in vertical cavity surface-emitting laser (VCSEL). In order to mitigate Joule heat, we designed a novel 940 nm dual-junction cascade VCSEL adopting …

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Study on the electrochemical behavior and fluoride film formation of high-purity 70/30 copper–zinc alloy in NaF solution

Lei Wu, Quanzhong Guo, Yuwei Liu, Zhigang Jia et autres

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A buried tunnel junction 940 nm VCSEL for achieving thermal diffusion characteristics

Linjin Song, Zhigang Jia, Wei Jia, Shufang Ma et autres

To investigate the performance degradation of a vertical-cavity surface-emitting laser (VCSEL) caused by self-heating effects, a 940 nm VCSEL with a buried tunnel junction (BTJ) and an aperture size of 10 μm was designed. The BTJ-type VCSEL achieves a 39.38% higher peak …

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Self-correcting linear chirplet transform for the separation of signals with crossover frequencies

Wanyang Zhang, Zhenhong Deng, Taihuan Wu, Zhigang Jia et autres

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In-situ deposition of silver particles onto melamine sponge with PVA assistance and its effective catalytic reduction for organic pollutants

Yuyan Li, Lijie Zhang, Zhigang Jia

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Quantum-Well-Embedded InGaN Quantum Dot Vertical-Cavity Surface-Emitting Laser and Its Photoelectric Performance

Hailiang Dong, Zhigang Jia, Wei Jia, Lin Shang et autres

An electrically injected vertical-cavity surface-emitting laser (VCSEL) with quantum-well-embedded InGaN quantum dots (QDs) as the active region was designed. The InGaN QD size and cavity length were optimized using PICS3D simulation software to achieve a high-performance InGaN QD-embedded VCSEL. A comparative analysis …

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Self-Correcting Linear Chirplet Transform for the Separation of Signals with Crossover Frequencies

Wanyang Zhang, Taihuan Wu, Zhigang Jia, Guimei Xing et autres

Study on the Electrochemical Behavior and Fluoride Film Formation of High-Purity 70/30 Copper–Zinc Alloy in Naf Solution

Yanxi Zhao, Lei Wu, Quanzhong Guo, Yuwei Liu et autres

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Effect of microstructural inheritance window on the mechanical properties of an intercritically annealed Q&P steel

Ning Xu, Lingyu Wang, Jun Hu, Zhigang Jia et autres

Different initial microstructures significantly influence the final microstructures and mechanical properties of the intercritically annealed quenching and partitioning steels. Previous studies have primarily focused on the mechanism for the inheritance of different initial microstructures into the final microstructures, which affects the phase …

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Multi-color emission based on InGaN/GaN micro-truncated pyramid arrays

Wei Jia, Z. Du, Lifan Zhang, Ruimei Yin et autres

3D micro-nano devices are expected to become the mainstay of multi-color solid-state lighting in the future because of their broad-band characteristic and the advantage of integrating the monolithic light-emitting diode on a single chip. In this work, InGaN/GaN micro-truncated pyramid arrays with …

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Effect of Asymmetric InAlGaN/GaN Superlattice Barrier Structure on the Optoelectronic Performance of GaN-Based Green Laser Diode

Yue Wei Mu, Hailiang Dong, Zhigang Jia, Wei Jia et autres

An asymmetric InAlGaN/GaN superlattice barrier structure without the first quantum barrier layer (FQB) is designed, and its effect on the optoelectronic performance of GaN-based green laser diode (LD) has been investigated based on simulation experiment and analytical results. It is found that, …