Results 81 to 90 of about 3,407,669 (289)

SiC Planar MOSFETs With Built-In Reverse MOS-Channel Diode for Enhanced Performance

IEEE Journal of the Electron Devices Society, 2020
In this paper, the SiC planar MOSFET with built-in reverse MOS-channel diode (SiC MCDMOSFET) is investigated utilizing TCAD simulation tools. When the device is working as a freewheeling diode, the operation of the parasitic body diode is suppressed ...
Xintian Zhou, Hao Gong, Yunpeng Jia, Dongqing Hu, Yu Wu, Tian Xia, Haoyang Pang, Yuanfu Zhao   +7 more
doaj   +1 more source

How “Green” is Your Functional Material? Assessing Environmental Impacts of Multi‐Step Synthetic Protocols in Material Sciences at Various Technology Levels

Advanced Materials, EarlyView.
Environmental Synthesis Radar (ESR) evaluates the environmental impact of (early‐stage) multi‐step chemical syntheses, providing a holistic view by using 18 midpoint impact categories. Unlike conventional life‐cycle assessment (LCA) approaches, ESR reveals three complementary metrics: overall impact Vtotal, environmental hotspots VEF, and critical ...
Laura Plein, Alexander Schommer, Florian Dietrich, Moritz Gutsch, Heike Klesper, Kevin Schuller, Lars Jahnke, Jens Leker, Klaus Meerholz   +8 more
wiley   +1 more source

Diode-pumped garnet crystal waveguide structures fabricated by pulsed laser deposition [PDF]

, 2006
We report progress with diode-pumping of garnet crystal waveguide structures fabricated by PLD. Lasing has been achieved in a single-layer Nd:GGG film, and a four-layer structure with a Nd:GSGG core is currently undergoing laser ...
Shepherd, D.P., J. I. Mackenzie, D. P. Shepherd, J. Wang, May-Smith, T.C., T. C. May-Smith, R. W. Eason, Mackenzie, J.I., Wang, J., Eason, R.W.   +9 more
core   +1 more source

Strong Coupling in Bulk Nanoplasmonic Nanoplatelet Perovskite Scintillators

Advanced Materials, EarlyView.
A bulk scintillating nanocomposite is engineered from CsPbBr3 nanoplatelets and Ag nanocubes to support exciton–plasmon strong coupling under X‐ray excitation. The resulting hybrid polaritonic states appear directly in radioluminescence, opening a route toward polariton‐enabled scintillator design beyond conventional Purcell enhancement.
Michal Makowski, Dominik Kowal, Anna Pniakowska, Kamil Misztal, Mohanad Saadeldin Eid, Joanna Cybinska, Winicjusz Drozdowski, Benoit Mahler, Christophe Dujardin, Detlef Hommel, Liang Jie Wong, Dennis Schaart, Sergio Brovelli, Muhammad Danang Birowosuto   +13 more
wiley   +1 more source

Passively mode-locked diode-pumped surface-emitting semiconductor laser

, 2000
A surface-emitting semiconductor laser has been passively mode locked in an external cavity incorporating a semiconductor saturable absorber mirror. The gain medium consists of a stack of 12 InGaAs-GaAs strained quantum wells, grown above a Bragg mirror ...
Tropper, A.C., Morier-Genoud, F., F. Morier-Genoud, J. S. Roberts, Roberts, J.S., Garnache, A., A. C. Tropper, Keller, U., Paschotta, R., A. Garnache, Oesterle, U., S. Dhanjal, U. Oesterle, Dhanjal, S., Häring, R., R. Häring, R. Paschotta, S. Hoogland, U. Keller, Hoogland, S.   +19 more
core   +1 more source

Radiative Thermal Management for Extreme Environments: Mechanisms and Design Strategies

Advanced Materials, EarlyView.
In this review, we discuss the fundamental mechanisms of radiative cooling and solar heating, material and structural design strategies, hybrid approaches integrating additional heat transfer pathways, and durability‐oriented designs addressing environmental stresses.
Hyung Rae Kim, Haeseong Kim, Joo Hwan Ko, Gil Ju Lee, Dae‐Hyeong Kim, Young Min Song   +5 more
wiley   +1 more source

A Novel Asymmetric Trench SiC Metal–Oxide–Semiconductor Field-Effect Transistor with a Poly-Si/SiC Heterojunction Diode for Optimizing Reverse Conduction Performance

Micromachines
In this paper, a novel asymmetric trench SiC MOSFET with a Poly-Si/SiC heterojunction diode (HJD-ATMOS) is designed to improve its reverse conduction characteristics and switching performance.
Yiren Yu, Zijun Cheng, Yi Hu, Ruiyi Lv, Shengdong Hu   +4 more
doaj   +1 more source

Evaluation of Gingival Pigmentation Treatment Efficacy Using 980 Nm Diode Laser

Regeneration, Reconstruction & Restoration, 2019
Introduction: Pigmentation is associated with the production of melanin by melanocytes, which is a physiological state in the body. It makes an unpleasant appearance especially for those who have high aesthetic demand.
Nahid Derikvand, Fatemeh Bahramnejad, Hossein Mahmoudvand, Pouya Jabbari moghadam   +3 more
doaj   +1 more source

Soft and Transient Bioelectronics Enabled by Polymer‐Free Ti3C2Tx MXene Hydrogels

Advanced Materials, EarlyView.
We present Ti3C2Tx MXene hydrogel (MXgel) bioelectronics, a soft, flexible, and fully transient platform for high‐fidelity neural recording and stimulation. MXgel bioelectronics exhibit exceptional electrical conductivities, low electrochemical impedances, and high charge injection capacities.
Raghav Garg, Franco A. Laimo, Stefano Ippolito, Prastuti Upadhyay, Spencer R. Averbeck, Dimitris Boufidis, Charles‐Antoine Assenmacher, Dayo O. Adewole, Sai Panigrahy, Bita Soltan Mohammadlou, Lucy Plant, Yuan Zhang, Andrew G. Richardson, Yury Gogotsi, D. Kacy Cullen, Flavia Vitale   +15 more
wiley   +1 more source

Adaptive Dead-Time Modulation Scheme for Bidirectional LLC Resonant Converter in Energy Router

CSEE Journal of Power and Energy Systems
Although the dead-time optimization design of resonant converters has been widely researched, classical design methods focus more on achieving zero-voltage switching (ZVS) operation.
Chenghao Sun, Qiuye Sun, Rui Wang, Yuyang Li, Dazhong Ma   +4 more
doaj   +1 more source