Results 61 to 70 of about 532,990 (304)

Deterministic Detection of Single Ion Implantation

Advanced Engineering Materials, EarlyView.
Focused ion beam implantation with high detection efficiencies will enable the rapid and scalable fabrication of advanced spin‐based technologies such as qubits. This work presents the detection efficiencies of a wide range of ions implanted into solid‐state hosts, with efficiencies of >90% recorded for ion species and substrate combinations of ...
Mason Adshead, Lok Kan Wan, Maddison Coke, Janet Jacobs, Nicholas F. L. Collins, Mark C. Rosamond, Richard J. Curry   +6 more
wiley   +1 more source

High‐Temperature Nanoindentation of Metals: Assessing Thermal Drift, Frame Compliance, and Chemical Composition Effects on the Reported Mechanical Properties

Advanced Engineering Materials, EarlyView.
Do not let thermal drift and instrument artifacts deceive high‐temperature nanoindentation results. We compare classical Oliver–Pharr and automatic image recognition analyses across steels and a Ni alloy to quantify these effects. Accounting for artifacts reveals systematic softening with temperature, while Cr and Ni additions boost resistance ...
Velislava Yonkova, Steffen Brinckmann, Ruth Schwaiger   +2 more
wiley   +1 more source

An Interleaved Step-up DC-DC Converter with Lossless Snubber

Majlesi Journal of Electrical Engineering
In this paper, an interleaved step-up converter with two lossless snubbers is introduced, where the snubbers ensure zero-current switching for the main switches, eliminating the need for extra switches.
Arman Hovsep, Majid Delshad, Bahador Fani, Mahdi Sajadieh   +3 more
doaj   +1 more source

A control method for interleaved Boost PFC converter

Dianzi Jishu Yingyong, 2019
In order to solve the problem of complexity of zero-crossing detection and distortion of input current waveform, a novel control method is proposed for interleaved Boost PFC converter operates in critical conduction mode.
Lin Anna, Xie Yunxiang
doaj   +1 more source

Abrupt metal-insulator transition observed in VO2 thin films induced by a switching voltage pulse

, 2005
An abrupt metal-insulator transition (MIT) was observed in VO2 thin films during the application of a switching voltage pulse to two-terminal devices.
Boriskov, Byung-Gyu Chae, Cavalleri, Chae, Chudnovskii, Doo-Hyeb Youn, Hyun-Tak Kim, Kim, Kim, Kim, Kwang-Yong Kang, Marezio, Morin, Mott, Pergament, Petrov, Stefanovich, Youn, Zylbersztejn   +18 more
core   +1 more source

Dual‐Mode Film Based on Highly Scattering Nanofibers and Upcycled Chips‐Bags for Year‐Round Thermal Management

Advanced Functional Materials, EarlyView.
Intelligent radiative cooling devices, adaptable to various weather conditions, have the potential for year‐round energy savings. This study introduces a sustainable dual‐mode film made from polycaprolactone nanofibers and upcycled chip bags for effective thermal management.
Qimeng Song, Stefan Rettinger, Chengzhang Xu, Ulrich Mansfeld, Markus Retsch   +4 more
wiley   +1 more source

Simultaneous Optimisation of Zero‐Sequence‐Circulating‐Current and Common‐Mode Voltage in Two Parallel Interleaved Three‐Phase Converters

IET Power Electronics
This paper focuses on maintaining the optimal common mode voltage of the existing zero common mode voltage (ZCMV) method while reducing its large zero‐sequence circulating current.
Jing Feng, Xiaoliang Jin
doaj   +1 more source

A novel soft-switched single-phase grid-connected current-source inverter

Cogent Engineering, 2017
This paper represents a novel soft-switched grid-connected current-source inverter topology and an efficient control strategy using switching flow graph theory.
M. Pakdel, S. Jalilzadeh
doaj   +1 more source

Operation Analysis of Soft Switching PWM DC-DC Converter with Secondary Snubber

Communications, 2013
The paper deals with analysis of operation of a soft switching PWM DC-DC full-bridge converter with new energy recovery turn-off snubber on secondary side of high frequency power transformer.Principal equations are derived for individual operation states.
Jaroslav Dudrik, Marcel Bodor, Daniel Trip Nistor   +2 more
doaj   +1 more source

Noise and Bistabilities in Quantum Shuttles

, 2005
We present a study of current fluctuations in two models proposed as quantum shuttles. Based on a numerical evaluation of the first three cumulants of the full counting statistics we have recently shown that a giant enhancement of the zero-frequency ...
Flindt, Christian, Jauho, Antti-Pekka, Novotny, Tomas   +2 more
core   +1 more source