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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 58 10832 9779 779 699 300 9762

Hermann Gies publications per year

The chart shows the history of publications by Hermann Gies between 1975 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hermann Gies published across 51 years, from 1975 to 2025, averaging 6.8 papers a year. Output peaked at 16 publications in 2014. 22 of the 347 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1975 to 2025. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2014. 1975: 1 publication 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 2 publications 1982: 4 publications 1983: 1 publication 1984: 4 publications 1985: 0 publications 1986: 4 publications 1987: 5 publications 1988: 3 publications 1989: 8 publications 1990: 9 publications 1991: 3 publications 1992: 5 publications 1993: 6 publications 1994: 9 publications 1995: 13 publications 1996: 7 publications 1997: 8 publications 1998: 7 publications 1999: 4 publications 2000: 7 publications 2001: 3 publications 2002: 6 publications 2003: 3 publications 2004: 10 publications 2005: 15 publications 2006: 7 publications 2007: 8 publications 2008: 10 publications 2009: 8 publications 2010: 15 publications 2011: 14 publications 2012: 14 publications 2013: 13 publications 2014: 16 publications 2015: 6 publications 2016: 12 publications 2017: 7 publications 2018: 3 publications 2019: 6 publications 2020: 14 publications 2021: 12 publications 2022: 2 publications 2023: 11 publications 2024: 10 publications 2025: 12 publications
1975 2025

347 publications in total across all disciplines

View publications per year as a table
Hermann Gies: publications per year, 1975 to 2025
Year Publications
1975 1
1976 0
1977 0
1978 0
1979 0
1980 0
1981 2
1982 4
1983 1
1984 4
1985 0
1986 4
1987 5
1988 3
1989 8
1990 9
1991 3
1992 5
1993 6
1994 9
1995 13
1996 7
1997 8
1998 7
1999 4
2000 7
2001 3
2002 6
2003 3
2004 10
2005 15
2006 7
2007 8
2008 10
2009 8
2010 15
2011 14
2012 14
2013 13
2014 16
2015 6
2016 12
2017 7
2018 3
2019 6
2020 14
2021 12
2022 2
2023 11
2024 10
2025 12
Total 347
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Hermann Gies 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 Hermann Gies 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, 281–300 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: 300 publications — 63rd percentile

63% 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
281–300 939 300
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
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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Hermann Gies 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 Hermann Gies 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, 58–59 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: 58 D-Index — 42nd percentile

42% 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 58
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
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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Overview

Hermann Gies is affiliated with Ruhr University Bochum in Germany and has a research focus in the fields of Chemistry and Materials Science. Within these broad areas, their work extensively covers subfields such as Materials Chemistry, Inorganic Chemistry, Catalysis, Industrial and Manufacturing Engineering, and Spectroscopy.

The research topics explored by Hermann Gies include:

  • Zeolite Catalysis and Synthesis
  • Catalytic Processes in Materials Science
  • Catalysis and Oxidation Reactions
  • Mesoporous Materials and Catalysis
  • Chemical Synthesis and Characterization
  • Metal-Organic Frameworks: Synthesis and Applications
  • Catalysts for Methane Reforming

Hermann Gies has contributed to several publication venues, with multiple papers appearing in:

  • Catalysis Science & Technology
  • Chemistry Letters
  • ACS Catalysis
  • Journal of the American Chemical Society
  • Microporous and Mesoporous Materials

Frequent collaborators of Hermann Gies include Toshiyuki Yokoi, Yong Wang, Peipei Xiao, Bernd Marler, and Hiroto Toyoda.

Among recent scientific papers authored or co-authored by Hermann Gies are:

  • Effects of Al distribution in the Cu-exchanged AEI zeolites on the reaction performance of continuous direct conversion of methane to methanol, 2023, Applied Catalysis B: Environmental
  • Cu-Exchanged CHA-Type Zeolite from Organic Template-Free Synthesis: An Effective Catalyst for NH3-SCR, 2020, Industrial & Engineering Chemistry Research
  • Highly Effective Cu/AEI Zeolite Catalysts Contribute to Continuous Conversion of Methane to Methanol, 2023, ACS Catalysis
  • CHA-Type Zeolite Prepared by Interzeolite Conversion Method Using FAU and LTL-Type Zeolite: Effect of the Raw Materials on the Crystallization Mechanism, and Physicochemical and Catalytic Properties, 2020, Catalysts
  • Direct Oxidation of Methane to Methanol over Transition-Metal-Free Ferrierite Zeolite Catalysts, 2024, Journal of the American Chemical Society

Best Publications

  • Influence of the sorbate type on the XRD peak intensities of loaded MCM-41

    B. Marler;U. Oberhagemann;S. Vortmann;H. Gies

  • The structure-controlling role of organic templates for the synthesis of porosils in the systems SiO2/template/H2O

    H. Gies;B. Marker

  • One- and two-dimensional high-resolution solid-state NMR studies of zeolite lattice structures

    C. A. Fyfe;Y. Feng;H. Grondey;G. T. Kokotailo

  • Protein encapsulation in mesoporous silicate: the effects of confinement on protein stability, hydration, and volumetric properties.

    Revanur Ravindra;Shuang Zhao;Hermann Gies;Roland Winter

  • Cu-Exchanged Al-rich SSZ-13 Zeolite from Organotemplate-Free Synthesis as NH3-SCR Catalyst: Effects of Na+ Ions on the Activity and Hydrothermal Stability

    Zhenchao Zhao;Rui Yu;Rongrong Zhao;Chuan Shi

  • Synthesis and Crystal Structure of Zeolite RUB-41 Obtained as Calcination Product of a Layered Precursor: a Systematic Approach to a New Synthesis Route

    Y. X. Wang;H. Gies;B. Marler;U. MüLLER

  • Studies on clathrasils. IX

    H. Gies

  • Ab Initio Structure Solution from X-ray Powder Data at Moderate Resolution: Crystal Structure of a Microporous Layer Silicate

    Silke Vortmann;Jordi Rius;Silvester Siegmann;Hermann Gies

  • NMR, XRD and IR study on microcrystalline opals

    H. Graetsch;H. Gies;I. Topalović

  • Hydrous layer silicates as precursors for zeolites obtained through topotactic condensation: a review

    Bernd Marler;Hermann Gies

  • Crystal structure of silica-ZSM-12 by the combined use of high-resolution solid-state MAS NMR spectroscopy and synchrotron x-ray powder diffraction

    C. A. Fyfe;H. Gies;G. T. Kokotailo;B. Marler

  • The structure of the new pure silica zeolite RUB-24, Si32O64, obtained by topotactic condensation of the intercalated layer silicate RUB-18

    B. Marler;N. Ströter;H. Gies

  • Natural-abundance two-dimensional solid-state silicon-29 NMR investigations of three-dimensional lattice connectivities in zeolite structures

    Colin A. Fyfe;Y. Feng;H. Gies;H. Grondey

  • Detailed investigation of the lattice structure of zeolite ZSM-11 by a combination of solid-state NMR and synchrotron x-ray diffraction techniques

    Colin A. Fyfe;Hermann Gies;George T. Kokotailo;Connie Pasztor

  • Ionothermal synthesis of an aluminophosphate molecular sieve with 20-ring pore openings.

    Ying Wei;Ying Wei;Zhijian Tian;Hermann Gies;Renshun Xu;Renshun Xu

  • Single crystal structure analysis of sea urchin spine calcites Systematic investigations of the Ca/Mg distribution as a function of habitat of the sea urchin and the sample location in the spine

    Uta Magdans;Hermann Gies

  • Interlayer Expansion of the Layered Zeolite Precursor RUB-39: A Universal Method To Synthesize Functionalized Microporous Silicates

    Hermann Gies;Ulrich Mueller;Bilge Yilmaz;Takashi Tatsumi

  • Studies on clathrasils. III. Crystal structure of melanophlogite, a natural clathrate compound of silica.

    H. Gies

  • Classification of tectosilicates and systematic nomenclature of clathrate type tectosilicates: a proposal

    F. Liebau;H. Gies;R.P. Gunawardane;B. Marler

  • Rational synthesis of Beta zeolite with improved quality by decreasing crystallization temperature in organotemplate-free route

    Haiyan Zhang;Bin Xie;Xiangju Meng;Ulrich Müller

  • The thermal expansion of the zeolites MFI, AFI, DOH, DDR, and MTN in their calcined and as synthesized forms

    Sohyun Park;R.-W. Große Kunstleve;H. Graetsch;Hermann Gies

  • A NEW ZINCOSILICATE ZEOLITE WITH NINE-RING CHANNELS

    Carsten Röhrig;Hermann Gies

Frequent Co-Authors

Xinhe Bao
Xinhe Bao Chinese Academy of Sciences
Feng-Shou Xiao
Feng-Shou Xiao Zhejiang University
Toshiyuki Yokoi
Toshiyuki Yokoi Tokyo Institute of Technology
Dirk De Vos
Dirk De Vos KU Leuven
Takashi Tatsumi
Takashi Tatsumi Tokyo Institute of Technology
Colin A. Fyfe
Colin A. Fyfe University of British Columbia
Ute Kolb
Ute Kolb Johannes Gutenberg University of Mainz
Xiangju Meng
Xiangju Meng Zhejiang University
Chuan Shi
Chuan Shi Dalian University of Technology
Wolfgang Grünert
Wolfgang Grünert Ruhr University Bochum

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