World's Best Scientists 2026 revealed!

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
39
Citations
9450
World Ranking
4597
National Ranking
179

Hajime Nagata publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Hajime Nagata sits on this spectrum.

34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34 publications 1,065+

This scientist: 150 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

Hajime Nagata D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Hajime Nagata sits on this spectrum.

30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 39 D-Index — 33rd percentile

33% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

Best Publications

  • 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

  • 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

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

    Yuji Hiruma;Rintaro Aoyagi;Hajime Nagata;Tadashi Takenaka

  • 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

  • Piezoelectric properties in (K 0.5 Bi 0.5 )TiO 3 -(Na 0.5 Bi 0.5 )TiO 3 -BaTiO 3 lead-free ceramics

    Shujun Zhang;T.R. Shrout;H. Nagata;Y. Hiruma

  • Piezoelectric Properties of (Bi1/2Na1/2)TiO3-Based Solid Solution for Lead-Free High-Power Applications

    Yuji Hiruma;Tomomi Watanabe;Hajime Nagata;Tadashi Takenaka

  • Phase Transition Temperatures and Piezoelectric Properties of (Bi 1/2 Na 1/2 )TiO 3 -and (Bi 1/2 K 1/2 )TiO 3 -Based Bismuth Perovskite Lead-Free Ferroelectric Ceramics

    T. Takenaka;H. Nagata;Y. Hiruma

  • Origin of the large piezoelectric activity in ( 1 − x ) Ba ( Z r 0.2 T i 0.8 ) O 3 − x ( B a 0.7 C a 0.3 ) Ti O 3 ceramics

    Matias Acosta;Matias Acosta;Nasser Khakpash;Takumi Someya;Nikola Novak

  • Piezoelectric Properties of BaTiO3–(Bi1/2K1/2)TiO3 Ferroelectric Ceramics

    Yuji Hiruma;Rintaro Aoyagi;Hajime Nagata;Tadashi Takenaka

  • Piezoelectric Properties of Bismuth Sodium Titanate Ceramics

    Hajime Nagata;Takashi Shinya;Yuji Hiruma;Tadashi Takenaka

  • Relaxor-ferroelectric transitions: Sodium bismuth titanate derivatives

    Alisa R. Paterson;Hajime Nagata;Xiaoli Tan;John E. Daniels

  • Phase Transition Temperatures of Divalent and Trivalent Ions Substituted (Bi1/2Na1/2)TiO3 Ceramics

    Yuji Hiruma;Yoshinori Watanabe;Hajime Nagata;Tadashi Takenaka

  • (Bi1/2Na1/2)TiO3-(Bi1/2K1/2)TiO3-BaTiO3-Based Lead-Free Piezoelectric Ceramics

    Yoichi Makiuchi;Rintaro Aoyagi;Yuji Hiruma;Hajime Nagata

Frequent Co-Authors

Tadashi Takenaka
Tadashi Takenaka Tokyo University of Science
Isao Sakaguchi
Isao Sakaguchi National Institute for Materials Science
Shinji Kohara
Shinji Kohara National Institute for Materials Science
Hiroshi Funakubo
Hiroshi Funakubo Tokyo Institute of Technology
Hajime Haneda
Hajime Haneda National Institute for Materials Science
Wook Jo
Wook Jo Ulsan National Institute of Science and Technology
Takaaki Tsurumi
Takaaki Tsurumi Tokyo Institute of Technology
Satoshi Wada
Satoshi Wada University of Yamanashi
Yasuo Cho
Yasuo Cho Tohoku University
Xiaoli Tan
Xiaoli Tan Iowa State University

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Best Scientists Citing Hajime Nagata