Ke Wang

ORCID: 0000-0002-9970-220X
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About
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Research Areas
  • Magnetic properties of thin films
  • Magnetic Properties and Applications
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Magnetic Properties of Alloys
  • High voltage insulation and dielectric phenomena
  • Magnetic and transport properties of perovskites and related materials
  • Power Transformer Diagnostics and Insulation
  • Heusler alloys: electronic and magnetic properties
  • Advancements in Battery Materials
  • Advanced Battery Technologies Research
  • Wireless Power Transfer Systems
  • Energy Harvesting in Wireless Networks
  • Lightning and Electromagnetic Phenomena
  • Advanced Battery Materials and Technologies
  • ZnO doping and properties
  • High-Voltage Power Transmission Systems
  • Phase-change materials and chalcogenides
  • Metallic Glasses and Amorphous Alloys
  • Chalcogenide Semiconductor Thin Films
  • Smart Grid and Power Systems
  • Semiconductor materials and devices
  • Physics of Superconductivity and Magnetism
  • Non-Destructive Testing Techniques
  • Nanomaterials and Printing Technologies

East China University of Technology
2018-2025

Hong Kong Polytechnic University
2023-2025

North China Electric Power University
2013-2024

China Electric Power Research Institute
2014-2024

Northwestern Polytechnical University
2014-2024

Beijing Institute of Technology
2021-2024

Wuhu Fourth People Hospital
2024

East China Normal University
2024

Jiangmen Polytechnic
2024

Wannan Medical College
2024

Thermal response behavior of transparent silver nanowire/PEDOT:PSS film heaters are intensively studied for manipulating heating temperature, time, and power consumption. Influences substrate heat capacity, transfer coefficient between air heater, sheet resistance dimension Ag nanowire film, on the thermal investigated from thermodynamic analysis. Suggestion is given practical applications that if other parameters fixed, coverage can be utilized as an effective parameter to adjust response....

10.1002/smll.201401690 article EN Small 2014-07-22

We demonstrate magnetocaloric entropy change and compensation temperatures in ferrimagnetic Gdx(Fe10Co90)100−x amorphous thin films with transition metal-rich rare earth-rich configurations. Thin are sputtered same Gd/FeCo elemental ratio at different thicknesses of various ratios a constant thickness to understand the effect these two parameters on an antiferromagnetically coupled magnetic sub-lattice system. Temperature- field-dependent measurements [M(H,T)] studies performed over broad...

10.1063/5.0191497 article EN cc-by-nc-nd Journal of Applied Physics 2024-03-22

Abstract Tacking issues of uncontrolled lithium dendrites formation with polymer‐based separator has a significant impact on the applications lithium‐metal batteries. Here, porous poly(acrylonitrile) nanosheets (PPNS) enriched conjugated C═C/C═N groups is designed PP by spray‐coating. The molecular structure PPNS affords high mechanical strength and thermal conductivity. Density functional theory (DFT) calculations confirm that polar N‐containing in derived from cyclization C≡N exhibit...

10.1002/aenm.202401281 article EN Advanced Energy Materials 2024-05-02

A novel ultrawideband energy-selective surface (ESS) in <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">S-</i> band is presented for adaptive high-power microwave (HPM) protection. Periodic metallic textures are designed and loaded with pin diodes to obtain the nonlinear response, which dependent on power intensity of incident wave. After equivalent circuit analysis full-wave simulation, a prototype fabricated, experiments conducted under...

10.1109/lawp.2019.2900760 article EN IEEE Antennas and Wireless Propagation Letters 2019-02-21

The influence of Bi doping upon the phase change characteristics Ge2Sb2Te5 alloys has been investigated using four-point-probe electrical resistance measurements, grazing incidence x-ray diffraction (XRD), reflectometry (XRR) and variable incident angle spectroscopic ellipsometry, a static tester atomic force microscopy. For alloy doped with 3% Bi, two transition temperatures are observed in temperature dependent sheet measurements at 136°C 236°C, respectively. evolution structures...

10.1063/1.1803612 article EN Journal of Applied Physics 2004-11-05

In order to distinguish the influences of moisture and aging on frequency domain dielectric response oil-paper insulation better apply spectroscopy (FDS) assess condition power transformers, samples with different contents states were prepared in laboratory. The FDS tested a group characteristic parameters extracted from dissipation factor (tanδ) curves which could be used content respectively. quantitative relationship among parameters, degree polymerization (DP) (Km.c) was accurately...

10.1109/tdei.2014.004490 article EN IEEE Transactions on Dielectrics and Electrical Insulation 2015-02-01

Metal nitride materials are considered as promising candidates for next-generation lithium-ion secondary battery anode owing to their high electrical conductivity and attractive theoretical capacity.

10.1039/c8ta10604e article EN Journal of Materials Chemistry A 2018-12-22

Emerging catalytic host for sulfur is an effective approach to breaking the limits of lithium-sulfur batteries practical applications. Herein, hydrangea-shaped Co0.85 Se electrocatalyst with macroporous architecture synthesized. Besides, improve electronic conductivity Se, some defects (S-doped) are introduced into structure crystals. The S-doped exhibited outstanding electrocatalytic effect on lithium polysulfides conversion and can induce regulate uniform growth insoluble Li2 S its surface...

10.1002/smtd.202100649 article EN Small Methods 2021-08-15

Sample pretreatment for mass spectrometry (MS)-based metabolomics and lipidomics is normally conducted independently with two sample aliquots separate matrix cleanup procedures, making the two-step process sample-intensive time-consuming. Herein, we introduce a high-throughput workflow integrated nontargeted leveraging enhanced removal (EMR)-lipid microelution 96-well plates. The EMR-lipid technique was innovatively employed to effectively isolate non-lipid small metabolites lipids in...

10.1021/acs.analchem.4c03222 article EN Analytical Chemistry 2025-01-30

The structural transformation and kinetics of SbxSe100−x films (60⩽x⩽70) were studied to investigate the feasibility applying alloys in phase change nonvolatile memories. Temperature-dependent van der Pauw measurements, x-ray diffraction, reflectometry, a static tester used determine structure films. sheet resistance difference between amorphous crystalline states was higher than 104Ω∕◻. metastable alloys, which plays major role fast crystallization, is similar that Sb2Te (rhombohedral...

10.1063/1.1946197 article EN Journal of Applied Physics 2005-07-01

Over the past few years, frequency domain spectroscopy (FDS) has been widely utilized to assess transformer insulation. Many investigations have revealed that FDS measurement observed be dependent on service conditions (aging, moisture, geometry, and temperature). During onsite measurement, inner insulation temperature of de-energized gradually decreases, which affects results due moisture migration from oil cellulose This process gives rise misinterpreting condition Presently, master curve...

10.1109/tdei.2018.007180 article EN IEEE Transactions on Dielectrics and Electrical Insulation 2018-10-01
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