Results 31 to 40 of about 2,007,997 (147)

Demonstration of High-Power and Stable Single-Mode in a Quantum Cascade Laser Using Buried Sampled Grating

Nanoscale Research Letters, 2019
High-power, low-threshold stable single-mode operation buried distributed feedback quantum cascade laser by incorporating sampled grating emitting at λ ~ 4.87 μm is demonstrated.
Feng-Min Cheng, Jin-Chuan Zhang, Dong-Bo Wang, Zeng-hui Gu, Ning Zhuo, Shen-Qiang Zhai, Li-Jun Wang, Jun-Qi Liu, Shu-Man Liu, Feng-Qi Liu, Zhan-Guo Wang   +10 more
doaj   +1 more source

Investigation of Incident Angle Dependence of Single Event Transient Model in MOSFET

, 2023
As the manufacturing process level of semiconductor devices continues to improve, the device size gradually decreases, and the devices are affected by the single event effect more and more severely.
Yibo Wang, Fan Zhang, Minghu Wu, Zilong Zhou, Yi Liu   +4 more
core   +1 more source

Different temperatures leakage mechanisms of (Al2O3)x(HfO2)1−x gate Dielectrics deposited by atomic layer deposition

Scientific Reports
(Al2O3)x(HfO2)1−x films with varying compositions were deposited on silicon substrates via plasma-enhanced atomic layer deposition (PEALD), and metal-oxide-semiconductor (MOS) capacitors were fabricated.
Yifan Jia, Yi Fu, Xiangtai Liu, Zhan Wang, Pengcheng Jiang, Qin Lu, Shaoqing Wang, Yunhe Guan, Lijun Li, Haifeng Chen, Yue Hao   +10 more
doaj   +1 more source

Designing Efficient Inverted Perovskite Solar Cells with Self-Assembled Monolayer Hole Transport Layers

Nano-Micro Letters
Highlights This review summarizes the development of self-assembled monolayers (SAMs), with a special focus on their applications in inverted (p-i-n) perovskite solar cells.
Xinyuan Feng, Qiuying Su, Long Zhou, Jiaojiao Zhang, Dazheng Chen, Weidong Zhu, He Xi, Chunfu Zhang, Jincheng Zhang, Yue Hao   +9 more
doaj   +1 more source

Methods for removing defects arising during wet etching of polycrystalline silicon surface

Технологія та конструювання в електронній апаратурі, 2008
A model of defect formation in the form of spots on the surface of polycrystalline silicon during the processing of semiconductor wafers in an etchant based on hydrofluoric acid is considered, as well as a model of defect removal in chemical solutions ...
A. E. Ivanchykou, A. М. Kisel, А. V. Medvedeva, B. I. Plebanovich   +3 more
doaj  

Research on the epitaxial direction control and mechanism of polycrystalline diamond grains

Functional Diamond
The control of diamond film growth is crucial for the application of diamond films. In this article, different diamond film samples were prepared by adding nitrogen and oxygen in different proportions during the growth process.
Li Junpeng, Ren Zeyang, Zhang Jinfeng, Zhang Jincheng, Su Kai, Meng Jintao, Zhu Liaoliang, Li Yijiang, Chen Junfei, Wang Hanxue, Hao Yue   +10 more
doaj   +1 more source

Influence of PWM Methods on Semiconductor Losses and Thermal Cycling of 15-kVA Three-Phase SiC Inverter for Aircraft Applications

, 2020
This paper presents the influence of different pulse width modulation (PWM) methods on losses and thermal stresses in SiC power modules used in a three-phase inverter.
Lenin Morais, Raphael Riva, Hoan Tran Duc, Bernardo Cougo, Gilles Segond   +4 more
core   +1 more source

A Transistor Voltage Divider for Low-Power Autonomous Electronic Systems

Eng
In this study, the operation features of a transformerless voltage divider, with transistor–diode commutation of switchable capacitors, designed to operate as a part of low-power autonomous electronic systems with reduced output voltage are studied both ...
Valery P. Dragunov, Dmitriy I. Ostertak, Dmitriy M. Kazymov, Ekaterina Y. Kovalenko, Maksim A. Kuznetsov   +4 more
doaj   +1 more source

Effect of carrier confinement on effective mass of excitons and estimation of ultralow disorder in Al x Ga1−x As/GaAs quantum wells by magneto-photoluminescence

Scientific Reports, 2017
Effect of charge carrier confinement and ultra-low disorder acquainted in AlGaAs/GaAs multi-quantum well system is investigated via Magneto-photoluminescence spectroscopy.
S. Haldar, V. K. Dixit, Geetanjali Vashisht, Shailesh Kumar Khamari, S. Porwal, T. K. Sharma, S. M. Oak   +6 more
doaj   +1 more source

3 W Continuous-Wave Room Temperature Quantum Cascade Laser Grown by Metal-Organic Chemical Vapor Deposition

Photonics, 2023
In this article, we report a high-performance λ ~ 4.6 μm quantum cascade laser grown by metal-organic chemical vapor deposition. Continuous wave power of 3 W was obtained from an 8 mm-long and 7.5 μm wide coated laser at 285 K.
Teng Fei, Shenqiang Zhai, Jinchuan Zhang, Quanyong Lu, Ning Zhuo, Junqi Liu, Lijun Wang, Shuman Liu, Zhiwei Jia, Kun Li, Yongqiang Sun, Kai Guo, Fengqi Liu   +12 more
doaj   +1 more source