Results 101 to 110 of about 370,543 (306)

Fluence and polarisation dependence of GaAs based Lateral Photo-Dember terahertz emitters

open access: yes, 2014
We characterise THz output of lateral photo-Dember (LPD) emitters based on semi-insulating (SI), unannealed and annealed low temperature grown (LTG) GaAs.
Apostolopoulos, V.   +6 more
core   +1 more source

2D Magnetic and Topological Quantum Materials and Devices for Ultralow Power Spintronics

open access: yesAdvanced Functional Materials, EarlyView.
2D magnets and topological quantum materials enable ultralow‐power spintronics by combining robust magnetic order with symmetry‐protected, Berry‐curvature‐driven transport. Fundamentals of 2D anisotropy and spin‐orbit‐coupling induced band inversion are linked to scalable growth and vdW stacking.
Brahmdutta Dixit   +5 more
wiley   +1 more source

From Wafers to Electrodes: Transferring Automatic Optical Inspection (AOI) for Multiscale Characterization of Smart Battery Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
Automat optical inspection (AOI) techniques in semiconductor fabrication can be leveraged in battery manufacturing, enabling scalable detection and analysis of electrode‐ and cell‐level imperfections through AI‐driven analytics and a digital‐twin framework.
Jianyu Li, Ertao Hu, Wei Wei, Feifei Shi
wiley   +1 more source

Characterization of the in-situ degradation process of P3HT:PCBM based on hyperspectral and neural networks

open access: yesPolymer Testing
In situ online observation of surface morphology during degradation processes is of paramount importance for exploring the stability of organic photovoltaic materials.
Yang Wang   +6 more
doaj   +1 more source

Review of Development Status of Bi2Te3-Based Semiconductor Thermoelectric Power Generation

open access: yesAdvances in Materials Science and Engineering, 2018
Semiconductor thermoelectric power generation is a new type of energy-saving and environment-friendly power generation technology, which directly converts heat energy into electrical energy by using the characteristics of semiconductor thermoelectric ...
Yan Chen   +4 more
doaj   +1 more source

Multilayer Thermionic Refrigerator and Generator

open access: yes, 1998
A new method of refrigeration is proposed. Cooling is obtained by thermionic emission of electrons over periodic barriers in a multilayer geometry.
G. D. Mahan   +3 more
core   +1 more source

Anomalous Pressure‐Temperature Ultrahigh Sensitivities in Atomically Engineered Carbonitride MXenes for Multifunctional Wearable Human–Machine Interfaces: Joint Computational–Experimental Elucidations

open access: yesAdvanced Functional Materials, EarlyView.
Atomically engineered layered 2D Ti3CNTz carbonitride MXene exhibits ultrahigh heat and pressure sensitivity, enabling dual‐mode sensors with 300%–400% performance enhancement and durability for real‐time health‐monitoring interface devices. Precise nitrogen incorporation (e.g., Ti3C1.8N0.2Tz) boosts conductivity, enhancing temperature response, while ...
Debananda Mohapatra   +12 more
wiley   +1 more source

Optimization and experimental demonstration of mesh-patterned 4H-SiC betavoltaic cells for enhanced power density

open access: yesScientific Reports
Betavoltaic (BV) cells based on wide-bandgap semiconductors are promising power sources for long-term operation in harsh environments, yet their energy-conversion efficiency remains below the theoretical limit because only a fraction of β-generated ...
Kyeong Min Kim   +5 more
doaj   +1 more source

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

open access: yesAdvanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner   +14 more
wiley   +1 more source

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