World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
70
Citations
15889
World Ranking
4481
National Ranking
1194

Chemistry

D-Index
70
Citations
16477
World Ranking
5890
National Ranking
1802

James C. W. Chien publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where James C. W. Chien sits on this spectrum.

50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50 publications 1,163+

This scientist: 392 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

James C. W. Chien D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where James C. W. Chien sits on this spectrum.

40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40 D-Index 165+

This scientist: 70 D-Index — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Overview

James C. W. Chien is affiliated with the University of Massachusetts Amherst in the United States. Their academic profile presents limited publicly available data on recent papers, co-authors, publication venues, fields of study, or awards.

The absence of listed recent papers, frequent co-authors, and publication venues indicates a lack of detailed bibliographic records or publicly disclosed research outputs within the current dataset.

There is no information about book publications, main fields or subfields of study, or main research topics associated with James C. W. Chien in the provided source data.

Similarly, no awards or honors have been recorded. The dataset also confirms that James C. W. Chien is currently not deceased.

Based on the affiliation with a major public research university in the United States, James C. W. Chien is likely involved in scholarly activity, though the specifics of their research focus, collaboration networks, and publication history remain undisclosed in this data extract.

Best Publications

  • Isospecific polymerization of propylene catalyzed by rac-ethylenebis(indenyl)methylzirconium cation

    James C. W. Chien;Woei Min Tsai;Marvin D. Rausch

  • rac-[Ethylidene(1-.eta.5-tetramethylcyclopentadienyl)(1-.eta.5-indenyl)]dichlorotitanium and its homopolymerization of propylene to crystalline-amorphous block thermoplastic elastomers

    Daniel T. Mallin;Marvin D. Rausch;Ye Gang Lin;Sizhong Dong

  • Electrically conducting derivative of poly(p-phenylene vinylene)

    Gary E. Wnek;James C.W. Chien;Frank E. Karasz;C.Peter Lillya

  • Olefin copolymerization with metallocene catalysts. III. Supported metallocene/methylaluminoxane catalyst for olefin copolymerization

    James C. W. Chien;Dawei He

  • Metallocene–methylaluminoxane catalysts for olefin polymerization. I. Trimethylaluminum as coactivator

    James C. W. Chien;Bor-Ping Wang

  • Metallocene‐methylaluminoxane catalysts for olefin polymerization. V. Comparison of Cp2ZrCl2 and CpZrCl3

    James C. W. Chien;Bor-Ping Wang

  • Kinetics of Ethylene Polymerization Catalyzed by Bis-(cyclopentadienyl)-titanium Dichloride-Dimethylaluminum Chloride1

    James C. W. Chien

  • (.eta.5-Indenyl)trichlorotitanium. An improved syndiotactic polymerization catalyst for styrene

    Thomas E. Ready;Roberta O. Day;James C. W. Chien;Marvin D. Rausch

  • Degree of stereochemical control of racemic ethylenebis(indenyl)zirconium dichloride/methyl aluminoxane catalyst and properties of anisotactic polypropylenes

    Bernhard Rieger;X. Mu;D. T. Mallin;James C. W. Chien

  • Dynamic mechanical measurement of crystallization-induced gelation in thermoplastic elastomeric poly(propylene)

    Y. G. Lin;D. T. Mallin;J. C. W. Chien;H. H. Winter

  • Syndiospecific polymerization of styrene. 3. Catalyst structure

    James C. W. Chien;Zdenek Salajka;Sizhong Dong

  • Electron–Electron Double Resonance of Free Radicals in Solution

    James S. Hyde;James C. W. Chien;Jack H. Freed

  • Ethylene–hexene copolymerization by heterogeneous and homogeneous Ziegler–Natta catalysts and the “comonomer” effect

    James C. W. Chien;Takashi Nozaki

  • Two-state propagation mechanism for propylene polymerization catalyzed by rac-[anti-ethylidene(1-.eta.5-tetramethylcyclopentadienyl)(1-.eta.5-indenyl)] dimethyltitanium

    James C. W. Chien;Geraldo Hidalgo Llinas;Marvin D. Rausch;G. Y. Lin

  • Homogeneous Ziegler-Natta catalysts. 17. Crystalline-amorphous block polypropylene and nonsymmetric ansa-metallocene catalyzed polymerization

    Geraldo Hidalgo Llinas;S. H. Dong;Daniel T. Mallin;Marvin D. Rausch

  • The formation and polymerization behavior of Ni(II) α-diimine complexes using various aluminum activators

    Richard J Maldanis;John S Wood;A Chandrasekaran;Marvin D Rausch

  • [N,N'-Bis(trimethylsilyl)benzamidinato]titanium and -zirconium Compounds. Synthesis and Application as Precursors for the Syndiospecific Polymerization of Styrene

    Juan C. Flores;James C. W. Chien;Marvin D. Rausch

  • {[2-(Dimethylamino)ethyl]cyclopentadienyl}trichlorotitanium: A New type of Olefin Polymerization Catalyst

    Juan Carlos Flores;James C. W. Chien;Marvin D. Rausch

  • ALKYL-SUBSTITUTED INDENYL TITANIUM PRECURSORS FOR SYNDIOSPECIFIC ZIEGLER-NATTA POLYMERIZATION OF STYRENE

    Thomas E. Ready;James C.W. Chien;Marvin D. Rausch

  • Supported metallocene polymerization catalysis

    James C.W. Chien

Frequent Co-Authors

Marvin D. Rausch
Marvin D. Rausch University of Massachusetts Amherst
Frank E. Karasz
Frank E. Karasz University of Massachusetts Amherst
Gary E. Wnek
Gary E. Wnek Case Western Reserve University
William J. MacKnight
William J. MacKnight University of Massachusetts Amherst
H. Henning Winter
H. Henning Winter University of Massachusetts Amherst
Alan J. Heeger
Alan J. Heeger University of California, Santa Barbara
Joseph B. Schlenoff
Joseph B. Schlenoff Florida State University
Alan G. MacDiarmid
Alan G. MacDiarmid University of Pennsylvania
Bernhard Rieger
Bernhard Rieger Technical University of Munich
John R. Reynolds
John R. Reynolds Georgia Institute of Technology

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Best Scientists Citing James C. W. Chien