Results 61 to 70 of about 642,295 (221)
Preparation of porous silicon nitride ceramics by microwave sintering and its performance evaluation
Journal of Materials Research and Technology, 2019 In this paper, the preparation methods of porous silicon nitride materials with controllable dielectric constant and pore structure were systematically studied.
XIAO Chun-fang, HAN Bing
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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 +5 more
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Microstructure of Spark Plasma-Sintered Silicon Nitride Ceramics
Nanoscale Research Letters, 2017 The microstructure and phase composition of the high-content Al2O3-Y2O3-doped spark plasma-sintered silicon nitride were investigated. Fully dense silicon nitride ceramics with a typical α-Si3N4 equiaxed structure with average grain size from 200 to 530 ...
O. A. Lukianova +4 more
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Advanced Materials, EarlyView.Stepwise dual‐side functionalization creates covalent Janus graphene with chemically and electrostatically asymmetric interfaces. The resulting nonadditive surface‐potential response and pronounced charge‐transport modulation demonstrate a versatile route for tailoring the electronic properties of graphene.
Shishi Liu +14 more
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Sensors and Actuators ReportsPorous silicon nitride structures were fabricated for a humidity sensor. The porous silicon structures were fabricated by the metal-assisted chemical etching process, and the conformal silicon nitride thin film was deposited by the atomic layer ...
Soobin Park +7 more
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Recent Advances in Plasma‐Enhanced Atomic Layer Etching for Next‐Generation Nanofabrication
Advanced Materials Interfaces, EarlyView.Continued semiconductor miniaturization demands atomic‐scale patterning and ultralow surface roughness beyond the capabilities of conventional reactive ion etching. This review highlights advances in isotropic and anisotropic plasma‐enhanced atomic layer etching since 2020, covering fundamental mechanisms, applications across major semiconductor ...
Shih‐Nan Hsiao
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Advanced Materials Interfaces, EarlyView.Polymer‐derived SiCN(O) fibre mats enable anchoring of ultra‐low amounts of transition metals for efficient alkaline oxygen evolution. The distinct behaviour of Fe‐ and Ni‐based fibres highlights the importance of metal phase and support interactions in tailoring catalytic behaviour.
Eranezhuth Wasan Awin +5 more
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Advanced Manufacturing of Composite‐Based Systems for Energy Applications
Advanced Materials Technologies, EarlyView.Advanced manufacturing enables the integration of polymers, ceramics, metal oxides, and composites into architected microstructures with tailored transport pathways. By coupling material selection, manufacturing strategy, and structural design, multifunctional energy systems can simultaneously improve electrochemical performance, thermal management ...
Sri Vaishnavi Thummalapalli +13 more
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Journal of Asian Ceramic SocietiesSilicon nitride powder is a crucial raw material for fabricating silicon nitride ceramics, with its properties exerting a decisive influence on the final product’s performance.
Jingkai Nie +6 more
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Manufacture and Compositional Analysis of Silicon Nitride Composites with Different Carbon Additions
Communications, 2004 Carbon black and graphite nano/micrograins and sintering additives (Al2O3 and Y2O3) were added to silicon nitride starting powder. These mixtures were mechanochemically activated several hours in a planetary type alumina ball-mill in order to achieve a ...
Csaba Balazsi +2 more
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