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Rotraut Merkle

Rotraut Merkle

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 46 11481 11095 634 615 200 7523
Chemistry 47 15693 14155 1153 1016 166 7490

Rotraut Merkle publications per year

The chart shows the history of publications by Rotraut Merkle between 1995 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Rotraut Merkle published across 32 years, from 1995 to 2026, averaging 6.6 papers a year. Output peaked at 18 publications in 2021. 8 of the 211 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1995 to 2026. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2021. 1995: 1 publication 1996: 1 publication 1997: 0 publications 1998: 5 publications 1999: 1 publication 2000: 0 publications 2001: 5 publications 2002: 3 publications 2003: 5 publications 2004: 5 publications 2005: 2 publications 2006: 3 publications 2007: 5 publications 2008: 11 publications 2009: 6 publications 2010: 5 publications 2011: 11 publications 2012: 9 publications 2013: 11 publications 2014: 5 publications 2015: 11 publications 2016: 5 publications 2017: 17 publications 2018: 9 publications 2019: 10 publications 2020: 12 publications 2021: 18 publications 2022: 9 publications 2023: 15 publications 2024: 3 publications 2025: 7 publications 2026: 1 publication
1995 2026

211 publications in total across all disciplines

View publications per year as a table
Rotraut Merkle: publications per year, 1995 to 2026
Year Publications
1995 1
1996 1
1997 0
1998 5
1999 1
2000 0
2001 5
2002 3
2003 5
2004 5
2005 2
2006 3
2007 5
2008 11
2009 6
2010 5
2011 11
2012 9
2013 11
2014 5
2015 11
2016 5
2017 17
2018 9
2019 10
2020 12
2021 18
2022 9
2023 15
2024 3
2025 7
2026 1
Total 211
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Rotraut Merkle 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 Rotraut Merkle sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 190–209 publications, is where this scientist sits. 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
50–69 publications 1,163+

This scientist: 200 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891 200
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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Rotraut Merkle 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 Rotraut Merkle sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 46–47 D-Index, is where this scientist sits. 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
40–41 D-Index 165+

This scientist: 46 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612 46
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Overview

Rotraut Merkle is affiliated with the Max Planck Society in Germany and has made significant contributions to the field of Materials Science, with a strong focus on Materials Chemistry. Their research spans various subfields including Electronic, Optical and Magnetic Materials, Electrical and Electronic Engineering, Condensed Matter Physics, and Inorganic Chemistry.

The scientist's work primarily addresses topics related to advancements in solid oxide fuel cells and the electronic and structural properties of oxides. Other notable areas of research include the magnetic and transport properties of perovskites and related materials, X-ray diffraction in crystallography, crystallization and solubility studies, advanced battery materials and technologies, and solid-state spectroscopy and crystallography.

Rotraut Merkle has published extensively in several high-impact journals and specialized venues. Frequent publication venues include:

  • The Cambridge Structural Database
  • Solid State Ionics
  • Journal of Materials Chemistry A
  • The Journal of Physical Chemistry C
  • Physical Chemistry Chemical Physics

Among the recent papers authored or co-authored by Rotraut Merkle are:

  • "Oxides with Mixed Protonic and Electronic Conductivity," 2021, Annual Review of Materials Research
  • "Effects of NiO addition on sintering and proton uptake of Ba(Zr,Ce,Y)O3−δ," 2021, Journal of Materials Chemistry A
  • "Interdependence of Oxygenation and Hydration in Mixed-Conducting (Ba,Sr)FeO3−δ Perovskites Studied by Density Functional Theory," 2020, The Journal of Physical Chemistry C
  • "Humidity-Controlled Water Uptake and Conductivities in Ion and Electron Mixed Conducting Polythiophene Films," 2020, ACS Applied Materials & Interfaces
  • "X-ray Spectroscopy of (Ba,Sr,La)(Fe,Zn,Y)O3−δ Identifies Structural and Electronic Features Favoring Proton Uptake," 2020, Chemistry of Materials

Throughout their career, Rotraut Merkle has frequently collaborated with other researchers. Frequent co-authors include:

  • Joachim Maier
  • Thomas Schleid
  • Markus Joos
  • Maurice Conrad
  • Sebastian Bette

The scientist's body of work aligns with key scientific interests in the study of protonic and electronic conductivity in oxides, solid oxide fuel cells, and related crystalline and spectroscopic properties of materials. This interdisciplinary approach integrates aspects of chemistry, physics, and engineering to explore the behavior and characteristics of advanced materials.

Best Publications

  • How is oxygen incorporated into oxides? A comprehensive kinetic study of a simple solid-state reaction with SrTiO3 as a model material.

    Rotraut Merkle;Joachim Maier

  • Combined theoretical and experimental analysis of processes determining cathode performance in solid oxide fuel cells

    M. M. Kuklja;E. A. Kotomin;E. A. Kotomin;R. Merkle;Yu. A. Mastrikov;Yu. A. Mastrikov

  • Mixed-Conducting Perovskites as Cathode Materials for Protonic Ceramic Fuel Cells: Understanding the Trends in Proton Uptake

    Reihaneh Zohourian;Rotraut Merkle;Giulia Raimondi;Joachim Maier

  • Electron and ion transport in Li2O2.

    Oliver Gerbig;Rotraut Merkle;Joachim Maier

  • Pathways for Oxygen Incorporation in Mixed Conducting Perovskites: A DFT-Based Mechanistic Analysis for (La, Sr)MnO3−δ

    Yuri A. Mastrikov;Rotraut Merkle;Eugene Heifets;Eugene A. Kotomin

  • Ion conduction and redistribution at grain boundaries in oxide systems

    Giuliano Gregori;Rotraut Merkle;Joachim Maier

  • Interaction of oxygen with halide perovskites

    Alessandro Senocrate;Tolga Acartürk;Gee Yeong Kim;Rotraut Merkle

  • Jahn-Teller distortion around Fe 4 + in Sr ( Fe x Ti 1 − x ) O 3 − δ from x-ray absorption spectroscopy, x-ray diffraction, and vibrational spectroscopy

    M. Vračar;A. Kuzmin;R. Merkle;J. Purans

  • Oxygen incorporation into Fe-doped SrTiO3: Mechanistic interpretation of the surface reaction

    Rotraut Merkle;Joachim Maier

  • Defect association in acceptor-doped SrTiO3: case study for Fe′TiV˙˙O and Mn″TiV˙˙O

    Rotraut Merkle;Joachim Maier

  • Formation and migration of oxygen vacancies in La1−xSrxCo1−yFeyO3−δ perovskites: insight from ab initio calculations and comparison with Ba1−xSrxCo1−yFeyO3−δ

    Yuri A. Mastrikov;Yuri A. Mastrikov;Rotraut Merkle;Eugene A. Kotomin;Eugene A. Kotomin;Maija M. Kuklja

  • Oxygen tracer diffusion in dense Ba0.5Sr0.5Co0.8Fe0.2O3−δ films

    L. Wang;R. Merkle;J. Maier;T. Acartürk

  • Dopant Segregation and Space Charge Effects in Proton-Conducting BaZrO3 Perovskites

    M. Shirpour;B. Rahmati;W. Sigle;P. A. van Aken

  • Oxygen exchange kinetics on solid oxide fuel cell cathode materials—general trends and their mechanistic interpretation

    Lei Wang;Rotraut Merkle;Yuri A. Mastrikov;Yuri A. Mastrikov;Eugene A. Kotomin

  • Surface Kinetics and Mechanism of Oxygen Incorporation Into Ba1 − x Sr x Co y Fe1 − y O3 − δ SOFC Microelectrodes

    Lei Wang;Rotraut Merkle;Joachim Maier

  • Long-Range and Short-Range Structure of Proton-Conducting Y:BaZrO3

    Francesco Giannici;Mona Shirpour;Alessandro Longo;Antonino Martorana

  • On the proton conductivity in pure and gadolinium doped nanocrystalline cerium oxide.

    Mona Shirpour;Giuliano Gregori;Rotraut Merkle;Joachim Maier

  • First principles calculations of oxygen vacancy formation and migration in mixed conducting Ba0.5Sr0.5Co1−yFeyO3−δ perovskites

    E.A. Kotomin;E.A. Kotomin;Yu. A. Mastrikov;Yu. A. Mastrikov;M.M. Kuklja;R. Merkle

  • First Principles Calculations of Oxygen Vacancy Formation and Migration in Ba1−xSrxCo1−yFeyO3−δ Perovskites

    Rotraut Merkle;Yuri A. Mastrikov;Yuri A. Mastrikov;Eugene A. Kotomin;Eugene A. Kotomin;Maija M. Kuklja

  • Proton conductivity in mixed-conducting BSFZ perovskite from thermogravimetric relaxation

    Daniel Poetzsch;Rotraut Merkle;Joachim Maier

  • Chemical diffusion of oxygen in tin dioxide

    B Kamp;R Merkle;J Maier

Frequent Co-Authors

Joachim Maier
Joachim Maier Max Planck Society
Eugene A. Kotomin
Eugene A. Kotomin University of Latvia
Jochen Mannhart
Jochen Mannhart Max Planck Society
Michael Grätzel
Michael Grätzel École Polytechnique Fédérale de Lausanne
Ulrich Starke
Ulrich Starke Max Planck Society
Peter A. van Aken
Peter A. van Aken Max Planck Society
Klaus-Dieter Kreuer
Klaus-Dieter Kreuer Max Planck Society
Wilfried Sigle
Wilfried Sigle Max Planck Society
Roger A. De Souza
Roger A. De Souza RWTH Aachen University

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