Results 71 to 80 of about 12,615 (293)

Unveiling Exsolution‐Induced Giant Electronic and Magnetic Property Changes in Non‐Stoichiometric Titanate Perovskite Thin Films

Advanced Materials, EarlyView.
A giant insulator to metal transition and emergent superparamagnetism are revealed by nanoparticle exsolution in non‐stoichiometric titanate perovskite thin films. By combining transport, synchrotron spectroscopy, and first‐principles calculations, this work reveals how defect reconfiguration and lattice reconstruction fundamentally reshape electronic ...
Sungil Kim, June Ho Lee, Yaolong Xing, Dongchang Kim, Haeseong Jeong, Mongjun Jeong, Manuel Valvidares, Stuart S. P. Parkin, Sang Ho Oh, Donghwa Lee, Hyojin Yoon, Hyeon Han   +11 more
wiley   +1 more source

Rotary Wireless Inductive Transmitter Powered by ZVS Resonant Convertor

Elektronika ir Elektrotechnika, 2019
In this work, an inductive wireless power transfer module powered by resonant converter is studied. The system consists of a zero voltage switching resonant converter and a rotary wireless power transmitter.
Dimitar D. Arnaudov, Nikolay D. Madzharov, Nikolay L. Hinov   +2 more
doaj   +1 more source

Designable van der Waals Crystal for Artificial Neuronal Cell Mimicking

Advanced Materials, EarlyView.
Designable van der Waals crystal has been demonstrated for device‐scale neuronal cell mimicking. The structural similarity between ion‐channel in biological membranes and layered vdW lattices is realized with nano‐crystallization via Ar + H2S plasma sulfurization.
Jinhyoung Lee, Gunhyoung Kim, Dongho Lee, Seowoo Son, Hyunho Seok, Sihoon Son, Hyunbin Choi, Geonwook Kim, Geumji Back, Hyunkyu Kim, Chaerin Park, Junmin Ahn, Seongyun Je, Chaeyoung Im, Junil Cho, Magdalena Grzeszczyk, Seongho Kim, Eunseo Go, Hyunwoo Shim, Donghwan Choi, Muyoung Kim, Hyoeng‐U. Kim, Won‐Jun Jang, Taesung Kim   +23 more
wiley   +1 more source

A Novel Hybrid Wireless Power Transfer Coupler for Unmanned Aerial Vehicle Application

IEEE Open Journal of Power Electronics
The special structure of unmanned aerial vehicles (UAVs) poses challenges to the integrated design method and power transmission capability of the couplers used for their wireless charging.
Pan Sun, Yaodong Xiang, Guoli Feng, Enguo Rong, Yilin Liu, Xiaochen Zhang   +5 more
doaj   +1 more source

Linker‐Engineered Dimeric Acceptors Afford Efficient Organic Photocatalytic Hydrogen Evolution via Tailored Nanomorphology for Long‐Lived Charge Accumulation

Advanced Materials, EarlyView.
We developed a new series of monomeric (MY) and dimeric acceptors incorporating unfused (DY1) and fused (DY2) linkers, which establish a controlled self‐aggregation trend of MY > DY2 > DY1. The DY2‐based system yields a bulk‐heterojunction nanoparticle morphology that appears to balance phase separation and interfacial accessibility, consistent with ...
Jin‐Woo Lee, Cheng Sun, Yang Song, Guanru Dong, Keren Ai, Stanley Alfred Cazaly, Flurin Eisner, Bumjoon J. Kim, Zeinab Hamid, Iain McCulloch, Yun‐Hi Kim, James R. Durrant   +11 more
wiley   +1 more source

Combined‐harmonics wireless power transfer system

IET Microwaves, Antennas & Propagation
A technique for wireless power transfer (WPT) efficiency improvement by a proper design of the excitation waveform is presented. This improvement is obtained on the one hand by a combined‐harmonics excitation, and on the other hand by exploiting multiple‐
Elham Karimi Marnani, Jalil Rashed‐Mohassel, Mahmoud Shahabadi   +2 more
doaj   +1 more source

Engineering CO2 Reduction Pathways via Alloy‐Support Interactions in Li‐CO2 Batteries

Advanced Materials, EarlyView.
Alloy‐support interactions in RuCu/NC induce interfacial charge redistribution and shift d‐band centers, steering CO2 reduction from Li2CO3 to metastable Li2C2O4. This pathway engineering lowers the rate‐determining barrier and suppresses carbonate formation, enabling high discharge voltage (3.23 V) in Li‐CO2 batteries with reduced overpotential (0.50 ...
Liang Sun, Xindan Zhang, Guang Feng, Guoqiang Zhao, Bernt Johannessen, Guanjie Li, Shilin Zhang, Hongge Pan, Zaiping Guo   +8 more
wiley   +1 more source

Study of asymmetrical magnetic coupled resonant wireless power transmission system

Gong-kuang zidonghua, 2016
According to equivalent model of asymmetrical magnetic coupled resonant wireless power transmission system, a view was pointed out that magnetic coupled resonant wireless power transmission which could maintain long distance transmission at resonance ...
FAN Yingjie, ZHANG Kairu, ZHANG Linlin, WANG Yi, DI Dongzhao   +4 more
doaj   +1 more source

Nocturnal Intraocular Pressure Monitoring With a Soft Contact Lens Sensor for Glaucoma Management

Advanced Materials, EarlyView.
A soft contact lens sensor enables continuous, noninvasive monitoring of nocturnal intraocular pressure (IOP) under closed‐eye sleep conditions. By integrating a highly compliant inductive–capacitive circuit onto a commercial lens, the device achieves record sensitivity and stable performance.
Yumin Dai, Tristan Michael Long, Oluwabunmi T. Oladele, Youngoh Lee, Feiyang Li, Ziheng Wang, Yeonji Oh, Junsang Lee, Taewoong Park, Tianhao Yu, Seokkyoon Hong, Kyeonghee Lim, Jinheon Jeong, Dawn Meyer Schneider, Hyerim Ra, Bryan W. Boudouris, Gillian C. Shaw, Shin Ae Park, Pete S. Kollbaum, Chi Hwan Lee   +19 more
wiley   +1 more source

Subjective and Objective Quality Evaluation Study of BPL-PLC Wired Medium

Elektronika ir Elektrotechnika, 2020
This paper presents results of research on the effectiveness of bi-directional voice transmission in a 6 kV mine cable network using BPL-PLC (Broadband over Power Line - Power Line Communication) technology. It concerns both emergency cable state (supply
Grzegorz Debita, Przemyslaw Falkowski-Gilski, Marcin Habrych, Bogdan Miedzinski, Bartosz Polnik, Jan Wandzio, Przemyslaw Jedlikowski   +6 more
doaj   +1 more source