Chia-Wei Chang

ORCID: 0000-0003-0499-1975
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Research Areas
  • Advanced Photocatalysis Techniques
  • Electronic Packaging and Soldering Technologies
  • 3D IC and TSV technologies
  • Perovskite Materials and Applications
  • Multiferroics and related materials
  • Advanced Condensed Matter Physics
  • Magnetic properties of thin films
  • Ion channel regulation and function
  • Catalytic Processes in Materials Science
  • Metallic Glasses and Amorphous Alloys
  • Advanced Welding Techniques Analysis
  • Advanced Power Amplifier Design
  • Gas Sensing Nanomaterials and Sensors
  • Radio Frequency Integrated Circuit Design
  • X-ray Diffraction in Crystallography
  • Magnetic and transport properties of perovskites and related materials
  • Nicotinic Acetylcholine Receptors Study
  • Crystallization and Solubility Studies
  • Electrocatalysts for Energy Conversion
  • Electronic and Structural Properties of Oxides
  • TiO2 Photocatalysis and Solar Cells
  • Magnetic Properties and Applications
  • Interconnection Networks and Systems
  • Pigment Synthesis and Properties
  • Structural Integrity and Reliability Analysis

National Cheng Kung University
2008-2023

Institute of Microelectronics
2023

Tainan University of Technology
2021

University of California, Los Angeles
2019

Feng Chia University
2017

Chung Yuan Christian University
2017

National Taiwan University
1988-2015

National Changhua University of Education
2002-2009

National Sun Yat-sen University
2000-2008

Industrial Technology Research Institute
2002

Semiconductors mediated by rare earth metals (REMs) have attracted attention with regard to the degradation of pollutants. In order enhance visible response TiO2, La-doped TiO2 (La-TO) photocatalysts visible-light-driven capacity for NO removal were successfully synthesized in this study via a facile sol-gel method followed calcination. A series La-TiO2 samples differing weight ratios evaluated their photocatalytic performances. It was found that 3% La integrated (in mass ratio) could...

10.4209/aaqr.2017.08.0282 article EN cc-by Aerosol and Air Quality Research 2017-01-01

Molecular dynamic simulation is used to investigate the adsorption mechanism of water molecules surrounding Au nanoparticles with different sizes. Our results show that in first shell will be influenced by size nanoparticle. For larger nanoparticles, hydrogen bonding adsorbed on surface are arranged a two-dimensional structure, while those edge three-dimensional structure. However, case smallest nanoparticle, layer only The arrangement can determined orientation order parameter. adsorb tend...

10.1063/1.2897931 article EN The Journal of Chemical Physics 2008-04-16

A well-crystalline two-dimensional (2D) perovskite material, Ca2Nan–3NbnO3n+1– (CNNO–) nanosheets, derived from the Dion–Jacobson phase has potential to generate hydrogen through photoelectrochemical water splitting. Here, we demonstrate that a high-κ photovoltaic electrode consisting of CNNO– nanosheets with layer number n = 4–6 and hole-transport polymer, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate), can form p–n junction an overall solar-to-hydrogen water-splitting cell,...

10.1021/acsanm.0c00747 article EN ACS Applied Nano Materials 2020-06-03

High entropy oxides (HEOx) are novel materials, which increase the potential application in fields of energy and catalysis. However, a series HEOx is too to evaluate synthesis properties, including formation fundamental properties. Combining first-principles calculations with machine learning (ML) techniques, we predict lattice constants energies spinel-structured photocatalytic HEOx, (Co,Cr,Fe,Mn,Ni)3O4, for stoichiometric non-stoichiometric structures. The effects site occupation by...

10.3390/cryst11091035 article EN cc-by Crystals 2021-08-28

In this study, the well-ordered alkanethiolate self-assembled monolayers (SAMs) of varied chain lengths and tail groups were employed as examples for nano-characterization on their mechanical properties. A novel nano-indentation technique with a constant harmonic frequency was applied SAMs chemically adsorbed Au to explore contact mechanics, furthermore interpret how SAM molecules respond an infinitesimal oscillation force without pressing them. Experimental results demonstrated that...

10.1088/0957-4484/19/31/315703 article EN Nanotechnology 2008-06-17

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTProton nuclear magnetic resonance study of cobrotoxinChien H. Fung, C. Chang, and Raj K. GuptaCite this: Biochemistry 1979, 18, 3, 457–460Publication Date (Print):February 6, 1979Publication History Published online1 May 2002Published inissue 6 February 1979https://pubs.acs.org/doi/10.1021/bi00570a012https://doi.org/10.1021/bi00570a012research-articleACS PublicationsRequest reuse permissionsArticle Views18Altmetric-Citations15LEARN ABOUT THESE...

10.1021/bi00570a012 article EN Biochemistry 1979-02-06

In this paper, we present a study of ring-shaped magnetic tunnel junction structure. The main concerns are focused on the fabrication process, biasing effect, and free layer behavior.

10.1109/intmag.2006.374959 article EN 2006-05-01

The goal of this work is to design and fabricate a autonomous acoustic recording system which low cost, reconfigurable portable for research. In the commercial market, some off-the-shelf audio systems are taken as core unit modified into underwater logger. Generally, these consuming products have built-in filters compression algorithms such that recorded signals unknown distortion. It not recoverable either. Our consists four components, i.e., PC-104 single-board computer (Celeron 1G),...

10.1109/ut.2007.370949 article EN Symposium on Underwater Technology and Workshop on Scientific Use of Submarine Cables and Related Technologies 2007-04-01

A 2-6 GHz WiMAX low noise amplifier (LNA) is designed and implemented in 0.18-mum CMOS process. This utilizes improved techniques on current-reuse topology high-pass input matching network to achieve high gain noise. The LNA presents a maximum power of 14.6 dB at 6 GHz. simulated minimum figure (NF) 2.5 with less than -12.6 S11. total consumption 8.14 mW 1 V supply.

10.1109/mwscas.2009.5235979 article EN 2009-08-01
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