Faculty
JAPANESE
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SAKAMOTO Wataru
Department / Course
College of Engineering Department of Applied Chemistry
Graduate School of Engineering Department of Applied Chemistry
School of General Education Liberal Arts Program (Science and Technology Literacy)
Job
Professor
Book and thesis
Papers
Clarification of the Effect of Al addition in ZnO Varistors and Establishment of a Model for the Conduction Mechanism Journal of the Japan Society of Powder and Powder Metallurgy 71,pp.81-91 (Co-authored) 2023
Papers
“Fabrication and properties of reduction-resistant lead-free NaNbO3-BaTiO3 piezoelectric ceramics” Japanese Journal of Applied Physics 60,pp.SFFC03-1-SFFC03-8 (Co-authored) 2021
Papers
“Fabrication of Reduction-resistant BaTiO3-based Lead-free Piezoelectric Ceramics and Approach for Improving Their Properties” J. Jpn. Soc. Powder Powder Metallurgy,pp.484-492 (Sole-authored) 2020
Papers
“Effects of Li2CO3 Addition on the Microstructural and Electrical Properties of Lead-Free Piezoelectric (Ba,Ca)(Ti,Zr)O3 Ceramics Sintered in Air or a Reducing Atmosphere” Japanese Journal of Applied Physics 58,pp.SLLC04-1-SLLC04-8 (Co-authored) 2019
Papers
“Fabrication of Lead-Free Piezoelectric Li2CO3-Added (Ba,Ca)(Ti,Sn)O3 Ceramics Under Controlled Low Oxygen Partial Pressure and Their Properties” Japanese Journal of Applied Physics 57,pp.021501-1-021501-7 (Co-authored) 2018
Papers
“Effect of Degree of Crystallographic Texture on Ferro- and Piezoelectric Properties of Ba0.85Ca0.15TiO3 Piezoceramics” Journal of the American Ceramic Society 100,pp.2098-2107 (Co-authored) 2017
Books
“HANDBOOK OF SOL-GEL SCIENCE AND TECHNOLOGY: Processing, Characterization and Applications” Vol.1,pp.371-398 (Co-authored) 2004
Papers
Establishment of Conduction Mechanism for ZnO Varistors Based on Solid State Chemistry Journal of the Japan Society of Powder and Powder Metallurgy 72 (3･4),pp.85-95 (Co-authored) 2025
Papers
Effects of Co and Mn Addition in ZnO Varistors - Approach from Solid State Chemistry - Journal of the Japan Society of Powder and Powder Metallurgy 71 (6),pp.210-216 (Co-authored) 2024
Papers
“Hydroxyl Radical-Suppressing Mechanism and Efficiency of Melanin-Mimetic Nanoparticles” International Journal of Molecular Sciences 19,pp.2309-1-2309-7 (Co-authored) 2018
Papers
“Fabrication and Properties of Nonreducible Lead-Free Piezoelectric Mn-Doped (Ba,Ca)TiO3 Ceramics” Ceramics International 43,pp.S166-S171 (Co-authored) 2017
Papers
“Effect of Texturing on Polarization Switching Dynamics in Ferroelectric” Applied Physics Letters 108,pp.012907-1-012907-5 (Co-authored) 2016
Papers
“Photocurrent Enhancement of Chemically Synthesized Ag Nanoparticle-Embedded BiFeO3 Thin Films” Japanese Journal of Applied Physics 55,pp.10TA14-1-10TA14-7 (Co-authored) 2016
Papers
“Enhancement of Photoinduced Electrical Properties of Al-Doped ZnO/BiFeO3 Layered Thin Films Prepared by Chemical Solution Deposition” Japanese Journal of Applied Physics 54,pp.10NA05-1-10NA05-6 (Co-authored) 2015
Papers
“Fabrication and Characterization of (100),(001)-Oriented Reduction-Resistant Lead-Free Piezoelectric (Ba,Ca)TiO3 Ceramics Using Platelike Seed Crystals” Japanese Journal of Applied Physics 52,pp.09KD08-1-09KD08-7 (Co-authored) 2013
Papers
“Influence of Volatile Element Composition and Mn Doping on the Electrical Properties of Lead-Free Piezoelectric (Bi0.5Na0.5)TiO3 Thin Films” Sensors and Actuators A 200,pp.60-67 (Co-authored) 2013
Papers
“Synthesis and Properties of Multiferroic 0.7BiFeO3-0.3BaTiO3 Thin Films by Mn Doping” Ceramics International 39,pp.S451-S455 (Co-authored) 2013
Papers
“Nanomagnetism in Nanocrystalline Multiferroic Bismuth Ferrite Lead Titanate Films” Journal of Nanoparticle Research 13,pp.5603-5613 (Co-authored) 2011
Papers
“Processing of Highly Oriented (K,Na)NbO3 Thin Films Using a Tailored Metal-Alkoxide Precursor Solution” Journal of the European Ceramic Society 31,pp.2497-2503 (Co-authored) 2011
Papers
“Spin-Glass Behavior of Nanocrystalline Multiferroic Bismuth Ferrite Lead Titanate” Journal of Materials Chemistry 21,pp.781-788 2011
Papers
“Spin-Glass Behavior of Nanocrystalline Multiferroic Bismuth Ferrite Lead Titanate” Journal of Materials Chemistry 21,pp.781-788 2011
Papers
“Improvement in Ferroelectric Properties of Chemically Synthesized Lead-Free Piezoelectric (K,Na)(Nb,Ta)O3 Thin Films by Mn Doping” Japanese Journal of Applied Physics 49,pp.09MA04-1-09MA04-6 (Co-authored) 2010
Papers
“Lead-Free Piezoelectric Thin Films of Mn-Doped NaNbO3-BaTiO3 Fabricated by Chemical Solution Deposition” Thin Solid Films 518,pp.4256-4260 (Co-authored) 2010
Papers
“Electrical and Magnetic Properties of Mn-doped 0.7BiFeO3-0.3PbTiO3 Thin Films Prepared under Various Heating Atmospheres” Materials Chemistry and Physics 116,pp.536-541 (Co-authored) 2009
Papers
“Electronic Structure of Multiferroic BiFeO3 by Resonant Soft X-ray Emission Spectroscopy” Physical Review B 78,pp.0855106-1-0855106-5 (Co-authored) 2008
Papers
“Ferroelectric Properties of Chemically Synthesized Perovskite BiFeO3-PbTiO3 Thin Films” Journal of Applied Physics 104,pp.104106-1-104106-8 (Co-authored) 2008
Papers
“Valence State of Mn-Doped BiFeO3-BaTiO3 Ceramics Probed by Soft X-ray Absorption Spectroscopy” Applied Physics Express 1,pp.011502-1-011502-3 (Co-authored) 2008
Papers
“Lead-Free Piezoelectric (K,Na)NbO3 Thin Films Derived from Metal Alkoxide Precursors” Japanese Journal of Applied Physics 46,pp.L311-L313 (Co-authored) 2007
Papers
“Processing and Piezoelectric Properties of Lead-Free (K,Na)(Nb,Ta)O3 Ceramics” Journal of the American Ceramic Society 88,pp.1190-1196 (Co-authored) 2005
Papers
“Electromechanical Properties of Nd-Doped Bi4Ti3O12 Films: A Candidate for Lead-Free Thin-Film Piezoelectrics” Applied Physics Letters 82,pp.1760-1762 (Co-authored) 2003
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