塚田 真也SHINYA TSUKADA

Last Updated :2026/06/04

所属・職名
大学院先進理工系科学研究科　准教授
メールアドレス
stsukadahiroshima-u.ac.jp
その他連絡先
〒739-8526 広島県東広島市鏡山1-3-1 理学部A106
TEL:082-424-7401
自己紹介
レーザー光や放射光を使って、物質の中で起きている見えない変化を探る研究をしています。温度や磁場、電場といった環境を変えると、物質は思いがけないふるまいを見せます。 その「なぜ？」を解き明かし、新しい材料の理解や、「まだ見ぬ物質の面白さ」の発見につなげることを目指しています。

基本情報

主な職歴

  • 2026年04月01日, 2026年03月31日, 広島大学, 大学院先進理工系科学研究科, 准教授
  • 2016年04月01日, 2026年03月31日, 島根大学, 教育学部, 准教授
  • 2013年04月01日, 2016年03月31日, 島根大学, 教育学部, 講師
  • 2009年10月01日, 2013年03月31日, 島根大学, 教育学部, 助教

学歴

  • 筑波大学, 大学院数理物質科学研究科, 物性工学専攻, 日本, 2007年04月01日, 2009年09月31日

学位

  • 博士（工学）　(筑波大学)
  • 修士（工学）　(筑波大学)

所属学会

教育活動

授業担当

  1. 2026年, 学部専門, セメスター（前期）, 物理学実験I
  2. 2026年, 学部専門, セメスター（後期）, 物理学実験II
  3. 2026年, 修士課程・博士課程前期, ３ターム, 構造物性物理学
  4. 2026年, 修士課程・博士課程前期, セメスター（前期）, 物理学演習Ⅰ
  5. 2026年, 修士課程・博士課程前期, セメスター（後期）, 物理学演習Ⅱ
  6. 2026年, 修士課程・博士課程前期, セメスター（前期）, 物理学特別演習Ａ
  7. 2026年, 修士課程・博士課程前期, セメスター（後期）, 物理学特別演習Ｂ
  8. 2026年, 修士課程・博士課程前期, 年度, 物理学特別研究

研究活動

学術論文（★は代表的な論文）

  1. Strain gradient across the heteroepitaxial interface in a BaTiO3/KNbO3 core-shell nanocomposite particle revealed by synchrotron radiation X-ray diffraction, Japanese Journal of Applied Physics Part 1 Regular Papers and Short Notes and Review Papers, 64巻, 8号, 20250801
  2. Two types of cubic components coexisting in the paraelectric phase of relaxor ferroelectric Pb(Mg1/3Nb2/3)O3 revealed by synchrotron radiation X-ray diffraction, Japanese Journal of Applied Physics Part 1 Regular Papers and Short Notes and Review Papers, 63巻, 8号, 20240801
  3. Polarization behavior in a compositionally graded relaxor–ferroelectric crystal visualized by angle-resolved polarized Raman mapping, Communications Physics, 6巻, 1号, 20231201
  4. Temperature-gradient investigation of phase transitions in ferroelectrics using cooling and heating stage, Japanese Journal of Applied Physics, 62巻, 10号, 20231101
  5. Lattice strain visualization inside a 400 nm single grain of BaTiO3in polycrystalline ceramics by Bragg coherent X-ray diffraction imaging, Japanese Journal of Applied Physics, 62巻, SM号, 20231101
  6. The ferroelectric phase transition in a 500 nm sized single particle of BaTiO3 tracked by coherent X-ray diffraction, Japanese Journal of Applied Physics, 61巻, SN号, 20221101
  7. Morphotropic phase boundaries of (1-x)Pb(Zn1/3Nb2/3)O3-xPbTiO3probed by Raman spectroscopy at high temperature, Japanese Journal of Applied Physics, 60巻, SF号, 20211101
  8. Multivariate curve resolution for angle-resolved polarized Raman spectroscopy of ferroelectric crystals, Japanese Journal of Applied Physics, 59巻, 20200701
  9. Excellent capacitive energy storage in bismuth ferrite-based multilayer ceramic, Journal of the European Ceramic Society, 45巻, 16号, 20251201
  10. Optimized capacitive energy storage in ternary BiFeO3-BaTiO3–NaNbO3multilayer ferroelectric ceramics, Ceramics International, 51巻, 26PC号, pp. 51399-51409, 20251101
  11. Ultrahigh-efficiency capacitive energy storage via A-site modulation in high-entropy relaxor ferroelectric ceramics, Ceramics International, 52巻, 14号, pp. 25461-25470, 20260601
  12. Angle-resolved polarized Raman scattering on relaxor ferroelectrics with intermediate random fields, Japanese Journal of Applied Physics, 57巻, 11号, 20181101
  13. Electron diffraction study of crystal structures of (Sr1-xBax)2Nb2 O7, Physical Review Materials, 3巻, 4号, 20190412
  14. Vibrational Dynamics of Ferroelectric K(Ta1-xNbx)O3 Studied by Inelastic Light Scattering, Ferroelectrics, 538巻, 1号, pp. 96-104, 20190102
  15. T* of Relaxor Ferroelectric (1 − x) Pb(Zn1/3Nb2/3)O3-xPbTiO3 Single Crystals Revisited Using Brillouin Spectroscopy, Physica Status Solidi A Applications and Materials Science, 217巻, 12号, 20200601
  16. Brillouin scattering studies of ordered Pb(Sc1/2Nb1/2)O3 crystal with vacancies, Ferroelectrics, 556巻, 1号, pp. 44-50, 20200217
  17. Synthesis of ferroelectric BaTi2O5 nanoparticles via modifying peroxopolytitanic acid solution, Ceramics International, 46巻, 14号, pp. 23232-23235, 20201001
  18. Local linear coupling between polarization and strain in KF-substituted barium titanate crystals probed by brillouin scattering and dielectric properties, Journal of the Physical Society of Japan, 89巻, 12号, 20201215
  19. Synthesis of Sr substituted BaTiO3 nanoparticles by hydrothermal treatments with maintaining the source material form and particle size, Journal of the Ceramic Society of Japan, 129巻, 3号, pp. 143-146, 20210301
  20. Raman scattering spectroscopy for solid-phase and metal-induced crystallization of extremely thin germanium films on glass, Japanese Journal of Applied Physics, 60巻, 3号, 20210301
  21. Lowering BaTi2O5 Curie temperature by Sr facile hydrothermal ion-exchange while retaining the original particle morphology, Materials Chemistry and Physics, 272巻, 20211101
  22. Order-disorder nature and elastic anomaly of successive phase transition of (K0.5Na0.5)NbO3 proved by broadband Brillouin scattering, Ferroelectrics, 586巻, 1号, pp. 2-9, 20210101
  23. Improvement of dielectric and ferroelectric properties by laser sintering of pulsed EPD BaTiO3 films, Ceramics International, 49巻, 8号, pp. 12745-12749, 20230415
  24. Energy storage performance of lead-free Ba0.7Sr0.3TiO3 ceramics with doping Bi(Mg0.5Ti0.5)O3, Materials Science in Semiconductor Processing, 172巻, 20240315
  25. Synthesis of Ba(Zr,Ti)2O5 particles using Zr/Ti-HPA with complexing of Ti-IPA and Zr using ZrOCl2, Journal of the Australian Ceramic Society, 60巻, 4号, pp. 1233-1236, 20240901
  26. Improvement of energy storage properties of Bi0.5 Na0.5TiO3 ceramics by doping La0.9Bi0.1Ni0.67Ta0.33O3, Ceramics International, 51巻, 16号, pp. 22247-22254, 20250701
  27. Synthesis of W-doped VO2 nanoparticles via an aqueous ammonia solution route using WO3 and V2O5 powders and fabrication of thermochromic smart-window composites, Journal of the Korean Ceramic Society, 62巻, 3号, pp. 567-572, 20250501
  28. Preparation and investigation of K0.5Na0.5NbO3-Bi(Sr0.5Hf0.5)O3 transparent energy storage ceramic, Journal of Power Sources, 640巻, 20250601
  29. Brillouin scattering study of glass-forming propylene glycol, Materials Science and Engineering A, 442巻, 1-2 SPEC. ISS.号, pp. 379-382, 20061220
  30. Broadband inelastic light scattering of a relaxor ferroelectric 0.71Pb (Ni1/3Nb2/3)O3-0.29PbTiO3, Applied Physics Letters, 89巻, 21号, 20061215
  31. Investigation on dielectric and piezoelectric properties of (1-x)(Na 0.5K0.5)NbO3-xSrTiO3 ceramics, Ferroelectrics, 348巻, pp. 106-112, 20070802
  32. Piezoelectric (Na0.5K0.5)NbO3-SrTiO 3 ceramics in the tetragonal-orthorhombic phase boundary studied by Raman spectroscopy, Ferroelectrics, 347巻, pp. 55-59, 20070802
  33. Diffuse phase transition of 0.8Pb(Ni1/3Nb2/3)O 3-0.2PbTiO3 single crystals studied by micro-brillouin scattering, Ferroelectrics, 346巻, pp. 37-42, 20070802
  34. High-resolution Brillouin spectroscopy with angular dispersion-type Fabry-Perot interferometer and its application to a quartz crystal, Review of Scientific Instruments, 78巻, 7号, 20070808
  35. Characterization of dielectric property of nanosized (Pb 0.7Sr0.3)TiO3 powders studied by Raman scattering, Japanese Journal of Applied Physics Part 1 Regular Papers and Short Notes and Review Papers, 46巻, 10 B号, pp. 7148-7150, 20071022
  36. Broadband inelastic light scattering study on relaxor ferroelectrics, Japanese Journal of Applied Physics Part 1 Regular Papers and Short Notes and Review Papers, 46巻, 10 B号, pp. 7151-7154, 20071022
  37. Raman scattering study of Ca-modified lead titanate, IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, 54巻, 12号, pp. 2599-2602, 20071201
  38. Dynamical properties of the relaxor ferroelectric 0.71Pb(Ni 1/3Nb2/3)O3-0.29PbTiO3 probed by brillouin and raman scattering, IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, 54巻, 12号, pp. 2632-2635, 20071201
  39. Brillouin and Raman scattering studies on the relaxor ferroelectric 0.71Pb(Nl1/3Nb2/3)O3-0.29PbTiO3 single crystal, Materials Research Society Symposium Proceedings, 966巻, pp. 96-101, 20061201
  40. Raman scattering study of Ca modified lead titanate, Ferroelectrics, 355巻, 1 PART 1号, pp. 66-70, 20071201
  41. Raman scattering study of Ca modified lead titanate, IEEE International Symposium on Applications of Ferroelectrics, pp. 289-290, 20071201
  42. The aging effect in (Bi0.5Na0.5)TiO3 family with point defects, IEEE International Symposium on Applications of Ferroelectrics, pp. 305-307, 20071201
  43. Dynamical properties of the relaxor ferroelectric 0.7 1Pb(Ni 1/3Nb2/3)O3-O.29PbTiO3 probed by Brillouin and Raman scattering, IEEE International Symposium on Applications of Ferroelectrics, pp. 285-288, 20071201
  44. Dynamical properties of polar nanoregions of relaxor ferroelectric Pb(Ni1/3Nb2/3)O3-0.29PbTiO3, Journal of the Physical Society of Japan, 77巻, 3号, 20080301
  45. Brillouin scattering studies of dynamics of polar nanoregions in Pb[(In1/2Nb1/2)0.65Ti0.35]O 3 single crystals, Japanese Journal of Applied Physics, 47巻, 9 PART 2号, pp. 7740-7744, 20080919
  46. Broadband light scattering of two relaxation processes in relaxor ferroelectric 0.93Pb (Zn1/3Nb2/3)O3-0. 07PbTiO3 single crystals, Physical Review B Condensed Matter and Materials Physics, 78巻, 14号, 20081017
  47. Anomalous behavior of acoustic phonon and central peak in Pb [(In 1/2Nb1/2)0.65Ti0.35] O3 single crystal, Journal of Applied Physics, 105巻, 1号, 20090709
  48. Enhanced polarization fluctuation in KF-substituted BaTiO3 single crystals, Physical Review B Condensed Matter and Materials Physics, 80巻, 1号, 20090806
  49. Successive phase transitions of ferroelectric Bi36la 0.4Ti3O12 crystals studied by using brillouin scattering, Journal of the Korean Physical Society, 55巻, 2 PART 1号, pp. 908-911, 20090101
  50. Aging of dielectric properties in Na0.5Bi0.5TiO 3 ceramics, Ferroelectrics, 376巻, 1 PART 2号, pp. 134-139, 20081201
  51. Microstructure and phase transition of MnO2-doped bismuth layered-structure ferroelectrics, Japanese Journal of Applied Physics, 48巻, 9 Part 2号, pp. 09-K0105, 20091201
  52. Acoustic phonons and a central mode in the protonic conductor K3 H (SeO4) 2, Physical Review B Condensed Matter and Materials Physics, 81巻, 1号, 20100112
  53. Crossover in the mechanism of ferroelectric phase transition of Pb[(Mg 1/3Nb2/3)1-xTix]O3 single crystals studied by Brillouin light scattering, Physical Review B Condensed Matter and Materials Physics, 82巻, 10号, 20100916
  54. Interpretation of Tm and T* in relaxor ferroelectric 0.93Pb(Zn1/3Nb2/3)O3-0. 07PbTiO3, IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, 57巻, 10号, pp. 2159-2164, 20101001
  55. Dielectric and piezoelectric properties of 10% KF-doped BaTiO3 ceramics, Japanese Journal of Applied Physics, 49巻, 8 PART 1号, 20100801
  56. Gigahertz range relaxation in relaxor ferroelectric Sr 0.75Ba0.25Nb2O6, Japanese Journal of Applied Physics, 49巻, 9 PART 2号, 20100901
  57. Synthesis and electrical properties of KF-doped BaTiO3 ceramics, Japanese Journal of Applied Physics, 49巻, 9 PART 2号, 20100901
  58. Marked increase in Curie temperature upon annealing of ferroelectric KF-substituted barium titanate, Scripta Materialia, 64巻, 3号, pp. 268-271, 20110201
  59. Micro-brillouin scattering of relaxor ferroelectrics with perovskite structure, Ferroelectrics, 405巻, 1号, pp. 32-38, 20101201
  60. Broadband micro-Brillouin scattering study of 0.7Pb(Sc1/2Nb 1/2)O3-0.3PbTiO3 crystals, Proceedings of the 2010 IEEE International Symposium on the Applications of Ferroelectrics Isaf 2010 Co Located with the 10th European Conference on the Applications of Polar Dielectrics Ecapd 2010, 20101201
  61. Depolarization temperatures and piezoelectric properties of (Bi 0.5Na0.5)TiO3 ceramics and single crystal, Ferroelectrics, 404巻, 1号, pp. 162-166, 20101201
  62. Elastic anomalies and diffuse phase transitions of (1-x)(Na 0.5Bi0.5)TiO3-xBaTiO3 single crystals studied by brillouin scattering spectroscopy, Ferroelectrics, 405巻, 1号, pp. 62-66, 20101201
  63. Raman and brillouin scattering study of lead-free ferroelectric (1-X)Na0.5 Bi0.5)TiO3-xBaTiO3 single crystals, Ferroelectrics, 412巻, 1号, pp. 52-58, 20110512
  64. Broadband gigahertz dynamics of relaxor ferroelectric Pb(Sc 1/2Nb1/2)O3-xPbTiO3 single crystal probed by Brillouin scattering, Journal of Applied Physics, 109巻, 8号, 20110415
  65. Ar-annealing effects on TC in KF-substituted barium titanate, Ferroelectrics, 414巻, 1号, pp. 201-205, 20110729
  66. Dynamical properties of protonic conductor K3H(SeO 4)2, Ferroelectrics, 416巻, 1号, pp. 101-107, 20110729
  67. Dielectric effect induced by the barrier layers in Ni-doped KTaO 3, Applied Physics Letters, 99巻, 8号, 20110822
  68. Inelastic light scattering of divalent ions (Ca2+, Sr2+, and Ba2+) substituted (Na1/2Bi1/2)TiO3 single crystals, Journal of the Korean Physical Society, 59巻, 31号, pp. 2471-2474, 20110915
  69. Synthesis and dielectric properties of Mn-Doped BaTi2O 5 ceramics yukikuni akishige, Japanese Journal of Applied Physics, 50巻, 9 PART 3号, 20110901
  70. Comparison of acoustic properties between ferroelectric BaTiO 3 and PbTiO 3 single crystals, Ferroelectrics, 420巻, 1号, pp. 66-70, 20111201
  71. Thickness dependence of extrinsic dielectric response in reduced ni-doped KTAO 3, Japanese Journal of Applied Physics, 51巻, 9 PART 2号, 20120901
  72. Role of dynamic polar nanoregions in heterovalent perovskite relaxor: Inelastic light scattering study of ferroelectric Ti rich Pb(Zn 1/3Nb2/3)O3-PbTiO3, Journal of Applied Physics, 112巻, 11号, 20121201
  73. Development of nanoscale polarization fluctuations in relaxor-based (1-x)Pb(Zn1/3Nb2/3)O3-xPbTiO3 ferroelectrics studied by Brillouin scattering, Physical Review B Condensed Matter and Materials Physics, 87巻, 1号, 20130102
  74. Correlation between a dielectric anomaly and a phase transition of sintered phosphorus doped WO3 ceramics, Journal of the Ceramic Society of Japan, 122巻, 1421号, pp. 25-28, 20140101
  75. Preparation and ferroelectric properties of MnO2 doped BaTi 2O5 ceramics by spark plasma sintering from the solid-state-calcined powder, Journal of Materials Science Materials in Electronics, 25巻, 3号, pp. 1280-1283, 20140301
  76. Large acoustic thermal hysteresis in relaxor ferroelectric Pb(Zn 1/3Nb2/3)O3-PbTiO3, APL Materials, 1巻, 3号, 20130101
  77. Crossover from diffuse to sharp phase transition by electric field in 0.955Pb(Zn1/3Nb2/3)O3-0.045PbTiO3, Iop Conference Series Materials Science and Engineering, 54巻, 1号, 20140101
  78. Effect of fabrication routes on the properties of Mn-doped BaTi 2O5 ceramics, Japanese Journal of Applied Physics, 53巻, 5 SPEC. ISSUE 1号, 20140101
  79. Dielectric properties of spark plasma sintered BaTi2O 5 ceramics prepared through sol-gel process, Functional Materials Letters, 7巻, 4号, 20140101
  80. Relaxor-like dynamics of ferroelectric K(Ta1-xNb x)O3 crystals probed by inelastic light scattering, Journal of Applied Physics, 116巻, 7号, 20140821
  81. Effect of spark plasma sintering temperature on the phase equilibria and dielectric properties of BaTi2O5 ceramics, Journal of Materials Science, 49巻, 22号, pp. 7908-7914, 20140101
  82. Influence of KF substitution on electric field-temperature phase diagram in BaTiO3, Japanese Journal of Applied Physics, 53巻, 9号, 20141001
  83. Relaxor behavior on phase transition of (Sr0.68Ba0.32)2Nb2O7 Single Crystals, Journal of the Physical Society of Japan, 83巻, 7号, 20140715
  84. Dielectric Properties and Phase Diagram of (Sr1-xBax)2Nb2O7 Single Crystals, Ferroelectrics, 485巻, 1号, pp. 73-79, 20150826
  85. Anomalous thermal hysteresis of two first order phase transitions in relaxor ferroelectric 0.945 Pb(Zn1/3Nb2/3)O3-0.055PbTiO3 crystals studied by Brillouin scattering, Journal of Applied Physics, 119巻, 9号, 20160307
  86. Fano resonance of Li-doped KTa1-xNbxO3 single crystals studied by Raman scattering, Scientific Reports, 6巻, 20160406
  87. Negative correlation between electrical response and domain size in a Ti-composition-gradient Pb[(Mg1/3Nb2/3)1-xTix]O3 crystal near the morphotropic phase boundary, Physical Review B Condensed Matter and Materials Physics, 92巻, 17号, 20151130
  88. The role of polar-nanoregions in KTa1-xNbxO3 single crystals studied by Raman scattering, Ferroelectrics, 503巻, 1号, pp. 85-93, 20161020
  89. Influence of KF substitution on the ferroelectric phase transition of lead titanate single crystals studied by Brillouin light scattering, Journal of Advanced Dielectrics, 5巻, 2号, 20150601
  90. Role of polar nanoregions with weak random fields in Pb-based perovskite ferroelectrics, Scientific Reports, 7巻, 20170316
  91. Single crystal growth of β-Tb2(MoO4)3 and its evaluation, Ferroelectrics, 511巻, 1号, pp. 82-87, 20170426
  92. Inelastic light scattering of ferroelectric Sr2(Nb1- xTax)2O7 crystals at high temperatures, Ferroelectrics, 512巻, 1号, pp. 20-28, 20170519
  93. Ferroelectric phase transition of Li-doped KTa1-xNbxO3 single crystals with weak random fields: Inelastic light scattering study, Journal of Alloys and Compounds, 735巻, pp. 1063-1070, 20180225
  94. Relation between Fractal Inhomogeneity and In/Nb-Arrangement in Pb(In1/2Nb1/2)O3, Scientific Reports, 7巻, 1号, 20171201
  95. Raman scattering study of the ferroelectric phase transition in BaT i2 O5, Physical Review B, 97巻, 2号, 20180131
  96. Effect of B -site randomness on the antiferroelectric/relaxor nature of the ground state: Diffuse and inelastic x-ray scattering study of Pb(In1/2Nb1/2) O3, Physical Review B, 98巻, 5号, 20180813
  97. Polarization rotation associated with phonon dynamics in monoclinic C phase near morphotropic phase boundary studied by diffuse and inelastic X-ray scattering from a Ti-composition-gradient Pb[(Mg 1 /3 Nb 2 /3 ) 1– x Ti x ]O 3 single crystal, Ferroelectrics, 532巻, 1号, pp. 100-110, 20180818