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武田　博明 タケダ ヒロアキ

■所属部署名 理工学研究科 ■電話番号
■職名 教授 ■FAX番号
■住所 埼玉県さいたま市桜区下大久保255 ■メールアドレス takeda＠apc.saitama-u.ac.jp
■ホームページURL http://www.apc.saitama-u.ac.jp/inorgchem/lab/index.html

プロフィール

兼担研究科・学部

工学部　応用化学科

研究分野

無機材料化学
キーワード：結晶成長 , 圧電体 , 強誘電体 , 半導体セラミックス , リチウムイオン導電体

所属学会

所属学会
日本セラミックス協会
応用物理学会
日本結晶成長学会
所属学会役員担当
無機マテリアル学会 , 評議員
日本誘電体学会 , 監事

学歴

出身大学院・研究科等
1998 , 東北大学大学院 , 博士後期 , 理学研究科 , 化学専攻 , 修了
1995 , 金沢大学大学院 , 修士 , 理学研究科 , 地学専攻 , 修了
出身学校・専攻等(大学院を除く)
1992 , 金沢大学 , 理学部 , 地学科 , 卒業
取得学位
博士（理学） , 東北大学
免許・資格等
衛生工学衛生管理者
第１種衛生管理者
エックス線作業主任者

受賞学術賞

2022 , 令和4年度学長表彰・学長奨励賞（研究）
2022 , Japanese Journal of Applied Physics: 2021 Outstanding Reviewer Awards
2021 , 日本セラミックス協会学術賞
2015 , 米国セラミックス学会Richard M. Fulrath賞

研究職歴等

研究職歴
2016 - 2020 , 東京工業大学物質理工学院 , 准教授
2008 - 2016 , 東京工業大学大学院理工学研究科 , 准教授
2007 - 2008 , 奈良先端科学技術大学院大学物質創成科学研究科 , 助教
2000 - 2007 , 奈良先端科学技術大学院大学物質創成科学研究科 , 助手
1999 - 2000 , 東京医科歯科大学生体材料工学研究所 , 研究機関研究員
1998 - 1999 , 東北大学金属材料研究所 , リサーチアソシエート
留学歴
2016 - 2017 , 仏国クロード・ベルナール・リヨン第１大学 , 客員教授
2007 - 2007 , 英国マンチェスター大学 , 客員研究員

研究活動業績

研究業績(著書・発表論文等)

著書
“Transient crystal structure of oscillating quartz” Piezoelectric Materials - New Opportunities to Energy Harvesting Devices
IntechOpen:12 202209
Shinobu Aoyagi, Hiroaki Takeda

論文
Synthesis and photoluminescence properties of divalent rare-earth-doped Li2CaSiO4
Journal of the Ceramic Society of Japan,131:258-262 2023
Shohei Kodama, Tomoki Saito, Ikuo Yanase, Hiroaki Takeda

Spark plasma sintering and ionic conductivity of Li1.3Al0.3Ti1.7(PO4)3 fine particles synthesized by glass crystallization
Powder Technology,429:118870 2023
Tatsuya Tezuka, Kouki Kuribara, Shohei Kodama, Hiroaki Takeda, Ikuo Yanase

Cr doped Al2O3-YAG and Al2O3-YAG-ZrO2 eutectic ceramic solidified from the melt by the micro pulling down technique and microstructure and luminescence characterization
CrystEngComm,25:4834-4847 2023
J. Xu, Y. Guyot, A. Nehari, A. Pillonnet, H. Takeda, X. Xu, K. Lebbou

Effect of strontium substitution on growth and piezoelectric properties of calcium magnesium silicate Ca2MgSi2O7 single crystals
Japanese Journal of Applied Physics,62:SM1027 2023
Hiroaki Takeda, Takumi Uehara, Genki Hirano, Shohei Kodama, Ikuo Yanase, Kazumasa Sugiyama

Scanning time-resolved measurement of transient lattice strain on quartz oscillators resonating under alternating electric field
Japanese Journal of Applied Physics,62:SM1028 2023
Shinobu Aoyagi, Yuhei Kondo, Kazuhira Miwa, Hiroaki Takeda, Yusuke Hayakawa, Youichi Kaminaga, Hitoshi Osawa

メリライト型圧電結晶の合成と評価
無機マテリアル学会誌,29:117-121 2022
武田博明

Synthesis and ionic conductivity of NASICON-type Li1.4Al0.4Ti1.6(PO4)3 fine powder by a novel multi-step glass crystallization method
Journal of Non-Crystalline Solids,590:121675 2022
Tatsuya Tezuka, Kouki Kuribara, Shohei Kodama, Hiroaki Takeda, Ikuo Yanase

高温圧電センサ用酸化物単結晶材料の開発
希土類,81:3-8 2022
武田博明

Position and electric field dependent local lattice strain detected by nanobeam x-ray diffraction on a relaxor ferroelectric single crystal
Physical Review B,105:024101 2022
Shinobu Aoyagi, Ayumi Aoyagi, Hiroaki Takeda, Hitoshi Osawa, Kazushi Sumitani, Yasuhiko Imai, and Shigeru Kimura

Growth and characterization of strontium-substituted La3Ta0.5Ga5.5O14 single crystals
Journal of the Ceramic Society of Japan,130(1):16-20 2022
Hiroaki Takeda, Yudai Sobata, Haruki Usui, Shohei Kodama, Ikuo Yanase, Takuya Hoshina, Takaaki Tsurumi, Kiyoshi Shimamura

Novel application of Tb-substituted layered double hydroxides to capturing and photoluminescence detecting CO2 gas at ambient temperature
Inorganic Chemistry Communications,125:108394 2021
Ikuo Yanase, Kouhei Hayashizaki, Masaki Kakiage, Hiroaki Takeda

Effect of processing temperature on structural, optical and frequency dependent electrical responses of solid-state sintered bismuth sodium titanate
Materials Science & Engineering B,274:115474 2021
M. A. Zubair, F. A. Mozahid, H. Takeda, A. K. M. A. Hossain

Na-ion conductivity of β-NaFeO2 synthesized from an EDTA chelate complex” Inorganic Chemistry Communications
Inorganic Chemistry Communications,134:108913 2021
Ikuo Yanase, Naoki Kuwada, Kouki Kuribara, Shohei Kodama, Hiroaki Takeda

Time Resolved Nanobeam X-ray Diffraction of a Relaxor Ferroelectric Single Crystal under an Alternating Electric Field
Crystals,11:1419 2021
Shinobu Aoyagi, Ayumi Aoyagi, Hiroaki Takeda, Hitoshi Osawa, Kazushi Sumitani, Yasuhiko Imai, Shigeru Kimura

圧電性無機材料の交流電場下での過渡原子変位計測
無機マテリアル学会誌,28:456-462 2021
青柳忍，武田博明

Structure and electrical properties of Ba3TaGa3Si2O14 single crystals grown by Czochralski method
Journal of the Ceramic Society of Japan,128(8):441-446 2020
Haruki Usui, Hiraku Kusakabe, Makoto Tokuda, Kazumasa Sugiyama, Takuya Hoshina, Takaaki Tsurumi, Hiroaki Takeda

Crystal growth and characterization of LixLa(1−x)/3NbO3 using Czochralski method
Journal of the Ceramic Society of Japan,128(8):481-485 2020
Shuya Minegishi, Takuya Hoshina, Takaaki Tsurumi, Kheirreddine Lebbou, Hiroaki Takeda

Possibility of ferroelectric bismuth and nitrogen co-doped barium titanate
Journal of the Ceramic Society of Japan,128(8):486-491 2020
Takahiro Yamada, Hiroaki Takeda, Takaaki Tsurumi, Takuya Hoshina

Control of Thermophysical Properties of Langasite-Type La3Ta0.5Ga5.5O14 Crystals for Pressure Sensors
Crystals,10(10):936 2020
Haruki Usui, Makoto Tokuda, Kazumasa Sugiyama, Takuya Hoshina, Takaaki Tsurumi, Kheirreddine Lebbou, Ikuo Yanase, Hiroaki Takeda

Strontium-substituted calcium magnesium silicate single crystals for high-temperature piezoelectric applications
Journal of the Ceramic Society of Japan,128(3):130–134 2020
Hiroaki Takeda, Hiraku Kusakabe, Haruki Usui, Takuya Hoshina, Takaaki Tsurumi, Kheirreddine Lebbou

Terahertz dielectric response of nano-grained barium titanate ceramics measured by far-infrared spectroscopic ellipsometry
Japanese Journal of Applied Physics,58(SL):SLLA07 2019
YuHsun Liao, Shuhei Takezawa, Hiroaki Takeda, Takaaki Tsurumi, Takuya Hoshina

Doping effect of Nb on ionic polarization of SrTiO3
Journal of the Ceramic Society of Japan,127(6):357–361 2019
Junji Nishiyama, Kazuki Kanehara, Hiroaki Takeda, Takaaki Tsurumi, Takuya Hoshina

Electro-acoustical constants and Rayleigh surface acoustic wave propagation characteristics of calcium aluminate silicate Ca2Al2SiO7 single crystals
Japanese Journal of Applied Physics,57(11S):11UD01 2018
Hiroaki Takeda, Kyohei Akimoto, Takuto Oshima, Kenta Takizawa, Jun Kondoh, Akihiro Matsutani, Takuya Hoshina, Takaaki Tsurumi

Time-resolved structure analysis of piezoelectric crystals by x-ray diffraction under alternating electric field
Japanese Journal of Applied Physics,57(11S):11UB06 2018
Shinobu Aoyagi, Hitoshi Osawa, Kunihisa Sugimoto, Yuki Nakahira, Chikako Moriyoshi, Yoshihiro Kuroiwa, Hiroaki Takeda, Takaaki Tsurumi

Grain sized effect of piezoelectric properties of BaTiO3 ceramics
Japanese Journal of Applied Physics,57(9):0902BB 2018
Takuya Hoshina, Saki Hatta, Hiroaki Takeda, Takaaki Tsurumi

Structure of russellite (Bi2WO6): origin of ferroelectricity and the effect of a stereoactive lone electron pair on the structure
Acta Crystallographica Section B,74:295–303 2018
Hiroki Okudera, Yuka Sakai, Kentaro Yamagata, Hiroaki Takeda

Growth and characterization of Ca2-xAexAl2SiO7 (Ae=Sr, Ba) piezoelectric single crystals
Journal of the Ceramic Society of Japan,126(5):300–305 2018
Takuto Oshima, Takuya Hoshina, Takaaki Tsurumi, Kheirreddine Lebbou, Hiroaki Takeda

Effect of oxygen vacancies on intrinsic dielectric permittivity of strontium titanate ceramics
Journal of the Ceramic Society of Japan,126(5):263–268 2018
Takuya Hoshina, Ryuichi Sase, Junji Nishiyama, Hiroaki Takeda, Takaaki Tsurumi

Transparent semiconducting SrTiO3 crystal fabricated by heating treatment with gaseous ammonia and CeO2 powder
Scientific Reports,8:5031 2018
Yuka Morimoto, Junji Nishiyama, Hiroaki Takeda, Takaaki Tsurumi, Takuya Hoshina

Optical and structural characterization of ZnSe thin film fabricated by thermal vapor deposition technique
AIMS Materials Science,4(5):1095–1121 2017
Mohammed Tareque Chowdhury, Md. Abdullah Zubair, Hiroaki Takeda, Kazi Md. Amjad Hussain, Md. Fakhrul Islam

Elution of lead from PZT ceramics to acid rain
Japanese Journal of Applied Physics,56(10S):10PD01 2017
Takaaki Tsurumi, Shuhei Takezawa, Takuya Hoshina, Hiroaki Takeda

Effect of atomic vacancies on ionic polarization of nonstoichiometric strontium titanate ceramics
Japanese Journal of Applied Physics,56(10S):10PB11 2017
Ryuichi Sase, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Formation of Sodium Bismuth Titanate-Barium Titanate during Solid State Synthesis
Journal of the American Ceramic Society,100(4):1330–1338 2017
Dong Hou, Elena Aksel, Chris M. Fancher, Tedi-Marie Usher, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi, Jacob L. Jones

Growth and characterization of strontium-substituted Ca2Al2SiO7 piezoelectric single crystals
Journal of the Ceramic Society of Japan,125(1):23–26 2017
Hiroaki Takeda, Kyohei Yoshida, Hiroki Okudera, Kheirreddine Lebbou, Takuya Hoshina, Takaaki Tsurumi

Electro-optic effect and photoelastic effect of feroelectric relaxors
Japanese Journal of Applied Physics,55(10S):10TB05 2016
Kotaro Takeda, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Wideband dielectric spectroscopy of (Sr0.7Bi0.2)TiO3 ceramics and its microscopic mechanism of polarization
Journal of the Ceramic Society of Japan,124(6):664–667 2016
Motoharu Sakurai, Kazuki Kanehara, Hiroaki Takeda, Takaaki Tsurumi, Takuya Hoshina

Effect of aluminum substitution on structure and electric properties of langasite family crystals
Crystal Research and Technology,50(12):944–949 2015
Hiroaki Takeda, Jun-ichi Yamaura, Takashi Nishida, Takuya Hoshina, Takaaki Tsurumi

Fabrication and characterization of dielectric strontium titanium oxynitride single crystal
Japanese Journal of Applied Physics,54(10S):10NB05 2015
Takuya Hoshina, Akira Sahashi, Hiroaki Takeda, Takaaki Tsurumi

Development of microscopic measurement system for electro-optic effect
Journal of the Ceramic Society of Japan,123(9):929–932 2015
Ryuta Yamamoto, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Design and fabrication of acoustic matching layer for lead-free ultrasonic flowmeter
Journal of the Ceramic Society of Japan,123(5):317–321 2015
Mei Hotate, Daichi Yoshidome, Takahiro Kojima, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Terahertz permittivity of rutile TiO2 single crystal measured by anisotropic far-infrared ellipsometry
Journal of the Ceramic Society of Japan,123(5):303–306 2015
Kazuki Kanehara, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Terahertz dielectric response of single-domain BaTiO3 measured by far-infrared spectroscopic ellipsometry
Japanese Journal of Applied Physics,53(9S):09PD03 2014
Takuya Hoshina, Kazuki Kanehara, Hiroaki Takeda, Takaaki Tsurumi

Measurement of ionic polarization of SrTiO3 single crystal by far-infrared spectroscopic ellipsometry
Applied Physics Letters,105(4):042901 2014
Kazuki Kanehara, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Fabrication of ferroelectric silicate KNbSi2O7 single crystal
Journal of the Ceramic Society of Japan,122(6):389–392 2014
Akira Sahashi, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Effects of Ca substitution on room temperature resistivity of donor-doped barium titanate based PTCR ceramics
Journal of the Ceramic Society of Japan,122(6):402–405 2014
Kohei Matsuura, Takuya Hoshina, Hiroaki Takeda, Yukio Sakabe, Takaaki Tsurumi

Bulk Response and Grain Boundary Micro-Electrical Activity of High TC BaTiO3-(Bi1/2K1/2)TiO3 Based Positive temperature Coefficient of Resistance Ceramics
Journal of Materials Research,28(21):2946–2959 2013
Mohammad A. Zubair, Hiroaki Takeda, Colin Leach, Robert Freer, Takuya Hoshina, Takaaki Tsurumi

Synthesis of lead free air sintered BaTiO3–(Bi1/2Na1/2)TiO3 based PTC ceramics by Ca addition and the defect chemistry of semiconductivity
Japanese Journal of Applied Physics,52(9S1):09KG01 2013
Mohammad A. Zubair, Hiroaki Takeda, Takuya Hoshina, Takaaki Tsurumi

Grain Size Effect on Dielectric Properties of Ba0.92Ca0.08TiO3 Ceramics
Japanese Journal of Applied Physics,52(9S1):09KC05 2013
Takuya Hoshina, Tsutomu Furuta, Takahiro Yamazaki, Hiroaki Takeda, Takaaki Tsurumi

Growth and characterization of Ca2Al2SiO7 piezoelectric single crystal for high-temperature sensor applications
Japanese Journal of Applied Physics,52(9S1):09KD03 2013
Manabu Hagiwara, Hiroaki Noguchi, Takuya Hoshina, Hiroaki Takeda*, Shinobu Fujihara, Nobuhiro Kodama, Takaaki Tsurumi

Design, simulation, and fabrication of longitudinal electro-optically tunned transparent-comb-electrode photonic crystals
Journal of the Ceramic Society of Japan,121(8):659–663 2013
Jong-Min Oh, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Calcium aluminate silicate Ca2Al2SiO7 single crystal applicable to piezoelectric sensors at high temperature
Applied Physics Letters,102(24):242907 2013
Hiroaki Takeda, Manabu Hagiwara, Hiroaki Noguchi, Takuya Hoshina, T. Takahashi, Nobuhiro Kodama, Takaaki Tsurumi

Highly tunable transparent-comb-electrode photonic crystals based on Al-doped ZnO/(Pb,La)(Zr,Ti)O3 multilayer
Applied. Physics Express,6(6):062001 2013
Jong-Min Oh, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Bulk and Conductive Mode Investigations of Pb Free PTCR ceramics with High Switch Temperature
Journal of the Ceramic Society of Japan,121(3):268–272 2013
Mohammad A. Zubair, Hiroaki Takeda, Colin Leach, Robert Freer, Takuya Hoshina, Takaaki Tsurumi

Influence of Misfit Strain on Longitudinal Electro-optic Properties in Preferentially Oriented (Pb,La)(Zr,Ti)O3 Films
Japanese Journal of Applied Physics,52(3):035801 2013
Jong-Min Oh, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Electro-optic Effect of Lithium Niobate in Piezoelectric Resonance
Journal of Applied Physics,112(12):124105 2012
Kotaro Takeda, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

High Electro-optic Kerr effect in Bi-based Relaxor Single Crystals
Journal of the Ceramic Society of Japan,120(12):613–615 2012
Kotaro Takeda, Takuya Hoshina, Hiroaki Takeda, Yuji Noguchi, Masaru Miyayama, Takaaki Tsurumi

Local Structure Analysis of Bi2WO6
Japanese Journal of Applied Physics,51(9S1):09LE06 2012
Yasuhiro Yoneda, Shinji Kohara, Hiroaki Takeda, Takaaki Tsurumi

Analysis of vibration waveforms of electromechanical response to determine piezoelectric and electrostrictive coefficients
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,59(8):1632–1638 2012
Tatsuya Izumi, Manabu Hagiwara, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Grain Size Effect on Dielectric Properties of Ba(Zr,Ti)O3 Ceramics
Japanese Journal of Applied Physics,51(9S1):09LC04 2012
Takuya Hoshina, Tsutomu Furuta, Takahiro Yamazaki, Hiroaki Takeda, Takaaki Tsurumi

Identicalness between piezoelectric loss and dielectric loss in converse effect of piezoelectric ceramic resonators
Japanese Journal of Applied Physics,51(9S1):09LD10 2012
Manabu Hagiwara, Takuya Hoshina, Hiroaki Takeda, and Takaaki Tsurumi

Quasi-millimeter-wave absorption behavior in Y/Yb-stabilized zirconia ceramics
Applied Physics Letters,100(24):242903 2012
Takashi Teranishi, N. Akiyama, K. Ayano, H. Hayashi, A. Kishimoto, K. Fujimori, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Longitudinal Electro-Optic Effect of Highly (100) Oriented (Pb,La)(Zr,Ti)O3 Film Grown on Transparent Al-Doped ZnO Electrode
Journal of the Ceramic Society of Japan,120(5):166–170 2012
Jong-Min Oh, Kotaro Takeda, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Fabrication of Lead-free Semiconducting Ceramics Using BaTiO3-(Bi1/2Na1/2)TiO3 System by adding CaO
Journal of the Ceramic Society of Japan,119(11):828–831 2011
Takashi Tateishi, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

Shrinkage Behavior and Sintering Mechanism of BaTiO3 Ceramics in Two-step Sintering
Japanese Journal of Applied Physics,50(9S2):09NC07 2011
Takuya Hoshina, Yoichi Kigoshi, Tsutomu Furuta, Hiroaki Takeda, Takaaki Tsurumi

Effect of Material Constants on Power Output in Piezoelectric Vibration Based Generator
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,58(9):1852–1859 2011
Hiroaki Takeda, Kensuke Mihara, Tomohiro Yoshimura, Takuya Hoshina, Takaaki Tsurumi

Analysis of Nonlinear Transient Responses of Piezoelectric Resonators
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control,58(9):1721–1729 2011
Manabu Hagiwara, Seita Takahashi, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi

84 original papers before the academic year 2010 and 44 peer-reviewed proceeding papers were omitted. Please check Researchmap, Publons, Google Scholar, etc.

学会発表
圧電単結晶材料の結晶化学的探索
第61回セラミックス基礎科学討論会 202301
武田博明

Growth and Characterization of Ba3TaGa3Si2O14 Single Crystals
The 14th Japan and China Symposium on Ferroelectric Materials and Their Applications (CJFMA14) 202212
Hiroaki Takeda

Melilite-type silicate single crystals for high temperature piezoelectric application
the 20th US-Japan Seminar on Dielectric and Piezoelectric Ceramics,Ext. Abst. the 20th US-Japan Sem. Dielectr. Piezoelectr. Ceram.:173-178 202211
Hiroaki Takeda

高温圧電センサ用酸化物単結晶材料の開発
日本希土類学会講演会 202211
武田博明

ランガサイト型圧電結晶の結晶化学
第3回酸素酸塩材料科学研究会 202211
武田博明

Development of melilite-type single crystals for high temperature piezoelectric application
the 13th Korea-Japan Conference on Ferroelectricity 202209
Hiroaki Takeda

高温デバイスを指向したケイ酸塩系圧電結晶の合成と評価
精密工学会次世代センサアクチュエータ専門委員会第26回定期講習会 202207
武田博明

Growth and characterization of melilite-type single crystals for high temperature piezoelectric application
2022年日本セラミックス協会年会 202203
Hiroaki Takeda

ケイ酸塩系新規圧電結晶の合成と高温デバイス試作
2022年日本結晶成長学会特別講演会 202202
武田博明

Effect of Element Substitution on Thermophysical Properties of Langasite-type Crystals
The 13th China and Japan Symposium on Ferroelectric Materials and Their Applications (CJFMA13) 202110
Hiroaki Takeda

メリライト型圧電結晶の高温デバイス応用の可能性
第50回EMシンポジウム 202109
武田博明

高温デバイス用圧電結晶材料の開発現況
第82回応用物理学会秋季学術講演会シンポジウム 202109
武田博明

ケイ酸を主成分とする高温デバイス用圧電結晶の合成
日本セラミックス協会第34回秋季シンポジウム 202109
武田博明

高温デバイスを指向した非鉛電子材料の創製に関する研究
日本セラミックス協会2021年年会 202103
武田博明

Effect of element substitution on thermophysical properties of langasite-type crystals
The 8th Asian Conference on Crystal Growth and Crystal Technology 202103
Hiroaki Takeda, et al.

ランガサイト型結晶Ba3TaGa3Si2O14の育成と高温圧電特性
MRM Forum 2020 202012
武田博明、他

ランガサイト型結晶の熱物性制御における元素置換効果
第40回電子材料研究討論会 202011
武田博明、他

ゲーレナイト単結晶の高温マイクロバランス応用への可能性検討
第58回セラミックス基礎科学討論会 202001
武田博明、他

四成分系ランガサイト型結晶の構造と物性
日本結晶学会令和元年（2019年）度年会 201911
武田博明、他

Growth and Characterization of Strontium-substituted Akermanite Single Crystalsfor High-Temperature Applications
19th US‐Japan Seminar on Dielectric and Piezoelectric Ceramics 201911
Hiroaki Takeda, et al.

Structure and Piezoelectric Properties of Ba3TaGa3Si2O14 Single Crystals Grown by Czochralski Method
The 13th Pacific Rim Conference of Ceramic Societies 201910
Hiroaki Takeda, et al.

Potential of Melilite-type Piezoelectric Crystals for High-Temperature Applications
The 13th Pacific Rim Conference of Ceramic Societies 201910
Hiroaki Takeda, et al.

Recent Progress in Piezoelectric Single Crystalsfor High Temperature Applications
The 11th China and Japan Symposium on Ferroelectric Materials and Their Applications 201909
Hiroaki Takeda, et al.

Development of melilite-type single crystals for high temperature piezoelectric sensor
The 19th International Conference on Crystal Growth and Epitaxy (ICCGE-19) 201907
Hiroaki Takeda, et al.

共同研究等希望テーマ

高温圧電センサ用結晶の探索 , 共同研究
Liイオン導電体単結晶の育成 , 共同研究
セラミック型PTCサーミスタ材料の創製 , 共同研究
水熱プレス法によるセラミックス合成 , 共同研究
チョクラススキー法によるバルク単結晶育成 , 共同研究

研究費

共同研究
2021-2022 , 超低抵抗無機系PTCサーミスタの開発 , 国内共同研究
2019-2022 , リチウムイオン導電性酸化物のイオン伝導率改善に関する研究 , 国内共同研究
2019-2019 , 高温圧電センサ応用に向けた新規圧電結晶の合成 , 国内共同研究
科学研究費補助金(研究代表者)
2022-2025 , ケイ酸塩系新圧電結晶の結晶構造に基づく材料設計と高温振動子の開発 , 基盤研究(B)
2019-2021 , 水晶を凌駕する新規圧電材料・デバイスの開発 , 基盤研究(B)
2016-2018 , 高温圧電センサを指向した高抵抗新規単結晶材料の開発 , 国際共同研究加速基金（国際共同研究強化）
2016-2018 , 広温度域動作性と高表面活性をもつ新規振動子材料の開発 , 基盤研究(B)
2013-2015 , 高温圧電センサを指向した高抵抗新規単結晶材料の開発 , 基盤研究(B)
2007-2008 , 環境調和型無鉛圧電アクチュエータ材料の開発 , 特定領域研究（公募研究）
2005-2007 , 固溶限界ドーピングによる高温対応圧電結晶の合成とその焼圧センサー素子への展開 , 若手研究(A)
2005-2006 , 高温対応圧電アクチュエータを目指した高Tc及び高結合強誘電体単結晶の合成と評価 , 特定領域研究（公募研究）
2002-2003 , 新規ビスマス層状酸化物強誘電体の高性能圧電材料への展開 , 若手研究(B)