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Materials Science

D-Index
54
Citations
16958
World Ranking
8765
National Ranking
509

Overview

Tadashi Takenaka is affiliated with Tokyo University of Science in Japan. Their research primarily focuses on materials science and engineering, with a specific emphasis on ferroelectric and piezoelectric materials. Their work extends into several subfields including materials chemistry, biomedical engineering, electronic, optical and magnetic materials, and electrical and electronic engineering.

Their main topics of study encompass:

  • Ferroelectric and Piezoelectric Materials
  • Multiferroics and related materials
  • Acoustic Wave Resonator Technologies
  • Microwave Dielectric Ceramics Synthesis
  • Dielectric materials and actuators

Takenaka has published extensively with frequent appearances in the following venues:

  • Journal of the Ceramic Society of Japan
  • Applied Physics Express
  • Journal of Asian Ceramic Societies
  • Japanese Journal of Applied Physics
  • Journal of materials research/Pratt's guide to venture capital sources

Significant recent papers authored or coauthored by Takenaka include:

  • "Correlation between depolarization temperature and lattice distortion in quenched (Bi1/2Na1/2)TiO3-based ceramics" (2020), published in Applied Physics Express
  • "Effects of quenching on bending strength and piezoelectric properties of (Bi0.5Na0.5)TiO3 ceramics" (2020), published in Journal of Asian Ceramic Societies
  • "The quenching effects for depolarization temperature of (Bi0.5Na0.5)TiO3 ceramics with Mn dopants" (2020), published in Japanese Journal of Applied Physics
  • "Quenching effects on depolarization temperature and 18O tracer diffusion in (Bi0.5Na0.5)TiO3 ceramics with acceptor and donor additives" (2021), published in Journal of the Ceramic Society of Japan
  • "Doping effects for high-power piezoelectric properties on Ba(Zr,Ti)O3-(Ba,Ca)TiO3-based lead-free piezoelectric ceramics" (2020), published in Journal of the Ceramic Society of Japan

Throughout their career, Takenaka has collaborated frequently with a core group of coauthors, including:

  • Hajime Nagata
  • Yuka Takagi
  • Takao Shimizu
  • Kohtaro Eguchi
  • Isao Sakaguchi

Their research contributions integrate aspects of materials chemistry and engineering to explore the effects of compositional changes and processing conditions on the electrical and mechanical properties of piezoelectric ceramics. This includes investigating quenching effects, dopant impacts, and tracer diffusion phenomena in bismuth sodium titanate-based ceramics and lead-free alternatives, with potential applications in acoustic resonator technologies and dielectric actuators.

Best Publications

  • (Bi1/2Na1/2)TiO3-BaTiO3 System for Lead-Free Piezoelectric Ceramics

    Tadashi Takenaka;Kei-ichi Maruyama;Koichiro Sakata

  • Current status and prospects of lead-free piezoelectric ceramics

    Tadashi Takenaka;Hajime Nagata

  • Electrical Properties and Depolarization Temperature of (Bi1/2Na1/2)TiO3–(Bi1/2K1/2)TiO3 Lead-free Piezoelectric Ceramics

    Kazushige Yoshii;Yuji Hiruma;Hajime Nagata;Tadashi Takenaka

  • Large Piezoelectric Constant and High Curie Temperature of Lead-Free Piezoelectric Ceramic Ternary System Based on Bismuth Sodium Titanate-Bismuth Potassium Titanate-Barium Titanate near the Morphotropic Phase Boundary

    Hajime Nagata;Masaki Yoshida;Yoichi Makiuchi;Tadashi Takenaka

  • Grain Orientation and Electrical Properties of Hot-Forged Bi4Ti3O12 Ceramics

    Tadashi Takenaka;Koichiro Sakata

  • Current Developments and Prospective of Lead-Free Piezoelectric Ceramics

    Tadashi Takenaka;Hajime Nagata;Yuji Hiruma

  • Thermal depoling process and piezoelectric properties of bismuth sodium titanate ceramics

    Yuji Hiruma;Hajime Nagata;Tadashi Takenaka

  • Large electrostrain near the phase transition temperature of (Bi0.5Na0.5)TiO3-SrTiO3 ferroelectric ceramics

    Yuji Hiruma;Yoshitaka Imai;Yoshinori Watanabe;Hajime Nagata

  • Phase diagrams and electrical properties of (Bi1/2Na1/2)TiO3-based solid solutions

    Yuji Hiruma;Hajime Nagata;Tadashi Takenaka

  • Additive effects on electrical properties of (Bi1/2Na1/2)TiO3 ferroelectric ceramics

    Hajime Nagata;Tadashi Takenaka

  • Lead-free piezoelectric ceramics based on (Bi1/2Na1/2)TiO3-NaNbO3

    Tadashi Takenaka;Takeo Okuda;Koichi Takegahara

  • Ferroelectric and Piezoelectric Properties of (Bi1/2K1/2)TiO3 Ceramics

    Yuji Hiruma;Rintaro Aoyagi;Hajime Nagata;Tadashi Takenaka

  • Piezoelectric properties of (Bi1/2Na1/2)TiO3-based ceramics

    Tadashi Takenaka;K Oichiro Sakata;K Ohji Toda

  • Grain orientation effects on electrical properties of bismuth layer‐structured ferroelectric Pb(1−x)(NaCe)x/2 Bi4Ti4O15 solid solution

    Tadashi Takenaka;Koichiro Sakata

  • Phase Transition Temperatures and Piezoelectric Properties of (Bi1/2Na1/2)TiO3–(Bi1/2K1/2)TiO3–BaTiO3 Lead-Free Piezoelectric Ceramics

    Yuji Hiruma;Hajime Nagata;Tadashi Takenaka

  • Phase transition temperature and electrical properties of (Bi1∕2Na1∕2)TiO3–(Bi1∕2A1∕2)TiO3 (A=Li and K) lead-free ferroelectric ceramics

    Yuji Hiruma;Kazushige Yoshii;Hajime Nagata;Tadashi Takenaka

  • Lead-Free Piezoelectric Ceramics of (Bi1/2Na1/2)TiO3–1/2(Bi2O3·Sc2O3) System

    Hajime Nagata;Tadashi Takenaka

  • Dielectric, piezoelectric and pyroelectric properties of (BiNa)1/2TiO3- based ceramics

    T. Takenaka;K. Sakata

  • Electrical properties of grain-oriented ferroelectric ceramics in some lanthanum modified layer-structure oxides

    Tadashi Takenaka;Koichiro Sakata

  • Lead-free piezoelectric ceramics based on perovskite structures

    T. Takenaka;H. Nagata;Y. Hiruma;Y. Yoshii

Frequent Co-Authors

Hajime Nagata
Hajime Nagata Tokyo University of Science
Hajime Haneda
Hajime Haneda National Institute for Materials Science
Isao Sakaguchi
Isao Sakaguchi National Institute for Materials Science
Naoki Ohashi
Naoki Ohashi National Institute for Materials Science
Hiroshi Funakubo
Hiroshi Funakubo Tokyo Institute of Technology
Takayuki Watanabe
Takayuki Watanabe Kyushu University
Amar S. Bhalla
Amar S. Bhalla The University of Texas at San Antonio
Thomas R. Shrout
Thomas R. Shrout Pennsylvania State University
Takaaki Tsurumi
Takaaki Tsurumi Tokyo Institute of Technology
Takahiro Seki
Takahiro Seki Nagoya University

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