Results 61 to 70 of about 1,937,511 (302)

Multimodal Optoelectronic Synapses for Neuromorphic Intelligence: Coupling Light, Electrical, Thermal, and Beyond

Advanced Functional Materials, EarlyView.
This review revisits optoelectronic neuromorphic devices that extend from unimodal sensing toward multimodal perception. Five types of stimuli‐to‐output information flow that are classified based on the device roles within the system and applications are summarized and discussed.
Jihyun Shin, Junhyung Cho, Wangmyung Choi, Jaehyun Hur, Jae Kyeong Jeong, Ulrike Kraft, Hocheon Yoo   +6 more
wiley   +1 more source

Polar Phonon Behaviour in Polycrystalline Bi-Doped Strontium Titanate Thin Films

, 2021
Strontium titanate-based materials with ferroelectric or relaxor-like properties have drawn vast attention as polar dielectrics for electronics and telecommunications. Here, we study the lattice dynamics in sol–gel-derived Sr1−1.5xBixTiO3 thin films with
Paula M. Vilarinho, Alexander Tkach, Dmitry Nuzhnyy, Olena Okhay, Jan Petzelt   +4 more
core   +1 more source

Preparation of Poly (methyl methacrylate) thin film Capacitors on ITO-glass substrate

Muthanna Journal of Pure Science
In electronic devices, some important materials having a high dielectric constant can be used. Polymer-ceramic composites have a high dielectric constant and are widely used for embedded capacitor applications.
Ali S. Ali S. Ali
doaj   +1 more source

Structure, dielectrical properties and capacitance properties of Ba0.3Sr0.7Zr0.18Ti0.82O3/BaTiO3 hetero-structure thin films with different BTO layer thicknesses

Materials Research Express, 2021
Ba _0.3 Sr _0.7 Zr _0.18 Ti _0.82 O _3 /BaTiO _3 (BSZT/BTO) films containing 70–640 nm BTO layers and pure BaTiO _3 film were deposited on Pt(111)/Ti/SiO _2 /Si substrate using radio frequency (RF) magnetron sputtering.
Hang Ji, Ping Yu
doaj   +1 more source

Strong Lead‐Free Bioinspired Piezoceramics for Durable Energy Transducers

Advanced Functional Materials, EarlyView.
We fabricated brick‐and‐mortar lead‐free piezoceramics with Bi0.5Na0.5TiO3 monocrystal platelets as bricks and amorphous silica as mortar. The alignment of the bricks and the presence of the amorphous silica led to anisotropic residual stresses. These residual stresses increase the samples toughness, strength and durability while the brick alignment ...
Ruxue Yang, Temesgen Tadeyos Zate, Peiren Wang, Soumyajit Mojumder, Elo Overgaard Mogensen, Oriol Gavalda‐Diaz, Zihe Li, Shitong Zhou, Ajeet Kumar, James Roscow, Hamideh Khanbareh, Astri Bjørnetun Haugen, Florian Bouville   +12 more
wiley   +1 more source

Band Alignment and Optical Properties of (ZrO2)0.66(HfO2)0.34 Gate Dielectrics Thin Films on p-Si (100)

Journal of Mathematical and Fundamental Sciences, 2013
(ZrO2)0.66(HfO2)0.34 dielectric films on p-Si (100) were grown by atomic layer deposition method, for which the conduction band offsets, valence band offsets and band gaps were obtained by using X-ray photoelectron spectroscopy and reflection electron ...
Dahlang Tahir, Hee Jae Kang, Sven Tougaard   +2 more
doaj  

Sol-Gel Deposited Porogen Based Porous Low-k Thin Films for Interlayer Dielectric Application in ULSI Circuits [PDF]

Журнал нано- та електронної фізики, 2012
Porous SiO2 low-k thin films with low dielectric constant were successfully deposited by sol-gel spin-coating technique. The films were deposited by using Tertaethylorthosilicate (TEOS) as a precursor solution and HF was used as an acid catalyst solution.
Yogesh S. Mhaisagar, A.M. Mahajan
doaj  

An Edible Chitosan‐Based Acoustic Sensor for Sound‐Responsive Actuation in Edible Robots

Advanced Functional Materials, EarlyView.
This study introduces an edible acoustic sensor for robotic food and edible robotics. Built from a chitosan piezoelectric film between gold electrodes, the sensor enables acoustic communication through ON/OFF keying. Integrated into an edible robot with pneumatically actuated arms and neck, it responds to high‐frequency tones.
Valerio Francesco Annese, Bokeon Kwak, Gaia de Marzo, Giulia Coco, Valentina Antonaci, Leonardo Lamanna, Massimo De Vittorio, Dario Floreano, Mario Caironi   +8 more
wiley   +1 more source

PST thin films for electrocaloric coolers [PDF]

, 2011
Relaxor behaviour in a thin film of partially ordered PbSc0.5Ta0.5O3 (PST) was confirmed via slim P-E loops and the frequency dependence of the temperature at which the dielectric constant is maximum. Indirect measurements of the electrocaloric effect
Correia, T M, Zhang, Qi, Zhang, Q, Q Zhang, Whatmore, Roger W., T M Correia, N D Mathur, Correia, T. M., Kar-Narayan, S., Mathur, N D, Kar-Narayan, S, Scott, J. F., J F Scott, S Kar-Narayan, Scott, J F, Young, J. S., R W Whatmore, Mathur, N. D., Young, J S, J S Young, Whatmore, R W   +20 more
core   +1 more source

Light‐Induced Field‐Tunneling Synapses in Solution‐Processed Van Der Waals Heterostructures for Scalable, Retina‐Inspired Optical Sensing

Advanced Functional Materials, EarlyView.
A scalable, solution‐processed WSe2/ZrO2‐x van der Waals heterostructure realizes a light‐induced field‐tunneling synapse (LIFTS) that activates exclusively under bright illumination, emulating the photopic adaptation of the human retina at the device level.
Kijeong Nam, Jihyun Kim, Soobeen Ji, In Soo Kim, Sejin Kim, Eungseon Yeon, Do Kyung Hwang, Iva Plutnarová, Zdeněk Sofer, Sang Min Won, Joohoon Kang   +10 more
wiley   +1 more source