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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 90 2041 1830 746 620 451 34120

Theo Siegrist publications per year

The chart shows the history of publications by Theo Siegrist between 1969 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Theo Siegrist published across 58 years, from 1969 to 2026, averaging 9.4 papers a year. Output peaked at 30 publications in 2017. 19 of the 545 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1969 to 2026. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2017. 1969: 1 publication 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 1 publication 1980: 0 publications 1981: 3 publications 1982: 3 publications 1983: 5 publications 1984: 1 publication 1985: 2 publications 1986: 4 publications 1987: 15 publications 1988: 12 publications 1989: 15 publications 1990: 7 publications 1991: 25 publications 1992: 12 publications 1993: 7 publications 1994: 19 publications 1995: 10 publications 1996: 10 publications 1997: 5 publications 1998: 9 publications 1999: 2 publications 2000: 6 publications 2001: 10 publications 2002: 8 publications 2003: 11 publications 2004: 15 publications 2005: 10 publications 2006: 20 publications 2007: 22 publications 2008: 8 publications 2009: 3 publications 2010: 7 publications 2011: 11 publications 2012: 11 publications 2013: 13 publications 2014: 16 publications 2015: 20 publications 2016: 18 publications 2017: 30 publications 2018: 23 publications 2019: 26 publications 2020: 21 publications 2021: 19 publications 2022: 6 publications 2023: 12 publications 2024: 12 publications 2025: 18 publications 2026: 1 publication
1969 2026

545 publications in total across all disciplines

View publications per year as a table
Theo Siegrist: publications per year, 1969 to 2026
Year Publications
1969 1
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 1
1980 0
1981 3
1982 3
1983 5
1984 1
1985 2
1986 4
1987 15
1988 12
1989 15
1990 7
1991 25
1992 12
1993 7
1994 19
1995 10
1996 10
1997 5
1998 9
1999 2
2000 6
2001 10
2002 8
2003 11
2004 15
2005 10
2006 20
2007 22
2008 8
2009 3
2010 7
2011 11
2012 11
2013 13
2014 16
2015 20
2016 18
2017 30
2018 23
2019 26
2020 21
2021 19
2022 6
2023 12
2024 12
2025 18
2026 1
Total 545
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Theo Siegrist publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Theo Siegrist sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 441–460 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 451 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270 451
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Theo Siegrist D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Theo Siegrist sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 90–91 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 90 D-Index — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185 90
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Research.com Recognitions

  • 2005 - Fellow of American Physical Society (APS) Citation For elucidation of crystal structure and structureproperty relationships of HighTc superconductor materials and related systems

Overview

Theo Siegrist is affiliated with Florida A&M University - Florida State University College of Engineering in the United States. Their research primarily focuses on Materials Science, with significant contributions to Materials Chemistry, Electronic, Optical and Magnetic Materials, Condensed Matter Physics, Electrical and Electronic Engineering, and Atomic and Molecular Physics, and Optics.

Their work explores a range of topics including:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Advanced Condensed Matter Physics
  • Perovskite Materials and Applications
  • Magnetic and transport properties of perovskites and related materials
  • Topological Materials and Phenomena
  • 2D Materials and Applications

Siegrist has published extensively in various scientific venues. The most frequent publication outlets include:

  • The Cambridge Structural Database
  • arXiv (Cornell University)
  • Physical review. B./Physical review. B
  • Chemistry of Materials
  • Physical Review Letters

Their selected recent papers provide insight into core areas of investigation:

  • Bulk Assembly of Multicomponent Zero-Dimensional Metal Halides with Dual Emission, 2020, ACS Materials Letters
  • Ultrafine microstructure and hardness in Fe-Cr-Co alloy induced by spinodal decomposition under magnetic field, 2020, Materials & Design
  • Metal Halide Scaffolded Assemblies of Organic Molecules with Enhanced Emission and Room Temperature Phosphorescence, 2021, The Journal of Physical Chemistry Letters
  • Suppression of discontinuous precipitation and strength improvement by Sc doping in Cu-6 wt%Ag alloys, 2022, Journal of Material Science and Technology
  • Understanding the effect of light and temperature on the optical properties and stability of mixed-ion halide perovskites, 2020, Journal of Materials Chemistry C

Theo Siegrist collaborates frequently with other researchers. Notable co-authors include:

  • Jennifer Neu
  • Kaya Wei
  • David J. Singh
  • Ryan Baumbach
  • Thomas E. Albrecht-Schmitt

Among their recognitions, Siegrist was named a Fellow of the American Physical Society (APS) in 2005, acknowledged for work related to elucidation of crystal structure and structure-property relationships of High-Tc superconductor materials and related systems.

Best Publications

  • Bulk superconductivity at 91 K in single-phase oxygen-deficient perovskite Ba 2 YCu 3 O 9 − δ

    R. J. Cava;B. Batlogg;R. B. van Dover;D. W. Murphy

  • A soluble and air-stable organic semiconductor with high electron mobility

    H. E. Katz;A. J. Lovinger;J. Johnson;C. Kloc

  • Superconductivity in the quaternary intermetallic compounds LnNi 2 B 2 C

    R. J. Cava;H. Takagi;H. W. Zandbergen;J. J. Krajewski

  • New Phases of C60 Synthesized at High Pressure

    Y. Iwasa;T. Arima;R. M. Fleming;T. Siegrist

  • Structure and physical properties of single crystals of the 84-K superconductor Bi 2.2 Sr 2 Ca 0.8 Cu 2 O 8+δ

    S. A. Sunshine;T. Siegrist;L. F. Schneemeyer;D. W. Murphy

  • The parent structure of the layered high-temperature superconductors

    T. Siegrist;S. M. Zahurak;D. W. Murphy;R. S. Roth

  • Physical vapor growth of organic semiconductors

    R.A Laudise;Ch Kloc;P.G Simpkins;T Siegrist

  • One-dimensional organic lead halide perovskites with efficient bluish white-light emission.

    Zhao Yuan;Chenkun Zhou;Yu Tian;Yu Shu

  • Superconductivity at 23 K in yttrium palladium boride carbide

    R. J. Cava

  • Crystal structure and the paraelectric-to-ferroelectric phase transition of nanoscale BaTiO3.

    Millicent B. Smith;Katharine Page;Theo Siegrist;Peter L. Redmond

  • Low-Dimensional Organometal Halide Perovskites

    Haoran Lin;Chenkun Zhou;Yu Tian;Theo Siegrist;Theo Siegrist

  • Disorder-induced localization in crystalline phase-change materials

    T. Siegrist;P. Jost;H. Volker;M. Woda

  • The crystal structure of superconducting LuNi 2 B 2 C and the related phase LuNiBC

    T. Siegrist;H. W. Zandbergen;R. J. Cava;J. J. Krajewski

  • Superconductivity near 70 K in a new family of layered copper oxides

    Robert J. Cava;Bertram Batlogg;J. J. Krajewski;L. W. Rupp

  • Cupric oxide as an induced-multiferroic with high-TC.

    T. Kimura;Y. Sekio;H. Nakamura;T. Siegrist

  • Luminescent zero-dimensional organic metal halide hybrids with near-unity quantum efficiency

    Chenkun Zhou;Haoran Lin;Yu Tian;Zhao Yuan

  • Photochemical Stability of Pentacene and a Substituted Pentacene in Solution and in Thin Films

    Ashok Maliakal;Krishnan Raghavachari;Howard Katz;and Edwin Chandross

  • Synthesis, crystal structure, and transistor performance of tetracene derivatives

    Hyunsik Moon;Roswitha Zeis;Evert-Jan Borkent;Celine Besnard

  • Crystal structure of the high-Tc superconductor Ba2YCu3O9- delta.

    T. Siegrist;S. Sunshine;D.W. Murphy;R.J. Cava

  • Physical vapor growth of centimeter-sized crystals of α-hexathiophene

    Ch. Kloc;P.G. Simpkins;T. Siegrist;R.A. Laudise

  • Preparation and structure of the alkali-metal fulleride A4C60

    R. M. Fleming;M. J. Rosseinsky;A. P. Ramirez;D. W. Murphy

Frequent Co-Authors

Arthur P. Ramirez
Arthur P. Ramirez University of California, Santa Cruz
Robert Joseph Cava
Robert Joseph Cava Princeton University
Christian Kloc
Christian Kloc Nanyang Technological University
Luis Balicas
Luis Balicas Florida State University
Lynn Schneemeyer
Lynn Schneemeyer Alcatel Lucent (Germany)
Robert S. Roth
Robert S. Roth National Institute of Standards and Technology
R. B. van Dover
R. B. van Dover Cornell University
David J. Singh
David J. Singh University of Missouri
Biwu Ma
Biwu Ma Florida State University
Robert C. Haddon
Robert C. Haddon University of California, Riverside

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