Results 31 to 40 of about 20,095 (311)

Silicon photonic crystal thermal emitter at near-infrared wavelengths

, 2015
This work was supported by the EPSRC Programme Grant “Structured Light” EP/J01771X/1.Controlling thermal emission with resonant photonic nanostructures has recently attracted much attention.
O'Regan, Bryan, Wang, Yue, Krauss, Thomas Fraser   +2 more
core   +1 more source

Role of Intrinsic Electron Trapping in Negative Charging of Amorphous Alumina

Advanced Functional Materials, EarlyView.
Intrinsic electron trapping in amorphous Al2O3 is examined using hybrid‐DFT models spanning a wide density range. Both spontaneous and thermally activated trapping are identified, with pronounced spontaneous localization in dense, partly crystallized structures.
Jack W. Strand, Kaja H. Hiorth, David Gao, Valeri Afanas'ev, Jaakko Akola, Alexander L. Shluger   +5 more
wiley   +1 more source

Characterization of in-situ Doped Polycrystalline Silicon Using Schottky Diodes and Admittance Spectroscopy [PDF]

Журнал нано- та електронної фізики, 2016
In this work, Schottky Au-Polycrystalline silicon diodes are successfully realised. The barrier height is around ФB = 0.74 eV as determined from Capacitance – Bias (C-V) characteristics.
H. Ayed, L. Béchir, M. Benabdesslem, N. Benslim, L. Mahdjoubi, T. Mohammed-Brahim, A. Hafdallah, M.S. Aida   +7 more
doaj  

Breakthroughs in Silicon Photonics 2009

IEEE Photonics Journal, 2010
Silicon photonics research published in 2009 exhibited considerable dynamism. Significant progress was made in research on optomechanics, novel phenomena in Bragg gratings, bio-sensing, photo-detectors, and silicon-organic hybrid structures.
Richard M. De La Rue
doaj   +1 more source

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

Advanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa, Milan Buttberg, Ke Ran, Rana Walied Ahmad, Dennis Braun, Lukas Völkel, Jimin Lee, Sofía Cruces, Bart Macco, Bárbara Canto, Holger Lerch, Thorsten Wahlbrink, Holger Kalisch, Michael Heuken, Andrei Vescan, Joachim Mayer, Zhenxing Wang, Ilia Valov, Stephan Menzel, Max C. Lemme   +19 more
wiley   +1 more source

Silicon Chemical Vapor Deposition on macro and submicron powders in a fluidized bed [PDF]

, 2007
Titanium oxide (TiO2) submicron powders have been treated by Chemical Vapor Deposition (CVD) in a vibro-fluidized bed in order to deposit silicon layers of nanometer scale on each individual grain from silane (SiH4).
Coufort, Carole, Syamlal, Madhava, Caussat, Brigitte, Pannala, S., Rossignol, Cécile, Cadoret, Loic, Reuge, Nicolas, Dexpert-Ghys, Jeannette, Coufort-Saudejaud, Carole, Pannala, Sreekanth   +9 more
core   +1 more source

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

Advanced 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, Dhananjeya Kumaar, Giacomo Torti, Killian Keller, Till Zellweger, Florian M. Schenk, Christoph Weilenmann, Daniel Chelladurai, Vara Prasad Jonnalagadda, Ghazi Sarwat Syed, Vanessa Wood, Jürg Leuthold, Alexandros Emboras, Maksym Yarema, Mathieu Luisier   +14 more
wiley   +1 more source

Nonoxide Sol-Gel Synthesis of Terbium-Doped Silicon Nitride Phosphors

, 2009
Exposure of solutions of Tb(N(SiMe3)2)3 with SiCl(NEt2)3 in tetrahydrofuran to dry ammonia results in polymeric xerogels. Heating these gels in ammonia leads to amorphous Tb:SiNx phosphors that exhibit bright green luminescence under UV irradiation.
Hector, Andrew L., Hassan, Shereen, Carravetta, Marina, Stebbings, Laura A.   +3 more
core   +1 more source

Chiral Phase Change Nanomaterials

Advanced Functional Materials, EarlyView.
This work demonstrates reversible, non‐volatile phase transitions in chiral Ge2${\rm Ge}_2$Sb2${\rm Sb}_2$Te5${\rm Te}_5$ (GST) nanohelices for high‐speed optical modulation of chirality and dynamic control of the state of polarization (SOP). The chiral nanostructures are fabricated using a highly directional, wafer‐scale physical vapor deposition ...
Joshua A. Burrow, Md Shah Alam, Riad Yahiaoui, Evan M. Smith, Ryan Laing, Jules Gardener, Thomas A. Searles, Piyush J. Shah, Shivashankar Vangala, Joshua R. Hendrickson, Andrew M. Sarangan, Imad Agha   +11 more
wiley   +1 more source

Pixel Circuit Designs for Active Matrix Displays

Applied System Innovation
Pixel circuits are key components of flat panel displays, including liquid crystal displays (LCDs), organic light-emitting diode displays (OLEDs), and micro light-emitting diode displays (micro-LEDs).
Dan-Mei Wei, Hua Zheng, Chun-Hua Tan, Shenghao Zhang, Hua-Dan Li, Lv Zhou, Yuanrui Chen, Chenchen Wei, Miao Xu, Lei Wang, Wei-Jing Wu, Honglong Ning, Baohua Jia   +12 more
doaj   +1 more source