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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 60 9789 8855 556 498 141 11647

Abraha Habtemariam publications per year

The chart shows the history of publications by Abraha Habtemariam between 1990 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Abraha Habtemariam published across 33 years, from 1990 to 2022, averaging 4.3 papers a year. Output peaked at 13 publications in 2016. 5 of the 141 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1990 to 2022. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 2016. 1990: 1 publication 1991: 1 publication 1992: 1 publication 1993: 1 publication 1994: 0 publications 1995: 0 publications 1996: 1 publication 1997: 3 publications 1998: 4 publications 1999: 4 publications 2000: 1 publication 2001: 2 publications 2002: 5 publications 2003: 2 publications 2004: 3 publications 2005: 5 publications 2006: 5 publications 2007: 10 publications 2008: 4 publications 2009: 5 publications 2010: 5 publications 2011: 11 publications 2012: 8 publications 2013: 4 publications 2014: 8 publications 2015: 5 publications 2016: 13 publications 2017: 11 publications 2018: 9 publications 2019: 0 publications 2020: 4 publications 2021: 4 publications 2022: 1 publication
1990 2022

141 publications in total across all disciplines

View publications per year as a table
Abraha Habtemariam: publications per year, 1990 to 2022
Year Publications
1990 1
1991 1
1992 1
1993 1
1994 0
1995 0
1996 1
1997 3
1998 4
1999 4
2000 1
2001 2
2002 5
2003 2
2004 3
2005 5
2006 5
2007 10
2008 4
2009 5
2010 5
2011 11
2012 8
2013 4
2014 8
2015 5
2016 13
2017 11
2018 9
2019 0
2020 4
2021 4
2022 1
Total 141
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Abraha Habtemariam publications per year - data summary

  • Abraha Habtemariam, a Chemistry scholar from University of Warwick, has 141 publications recorded across 33 years, from 1990 to 2022.
  • The oldest publication on record dates to 1990 and the most recent to 2022.
  • The most productive year is 2016, with 13 publications.
  • The least productive years with any output are 1990, 1991, 1992, 1993 and others, with 1 publication each.
  • 3 of the 33 years in the span carry no publications at all (1994, 1995 and 2019).
  • The rate of publication averages 4.3 papers per year over the whole span, or 4.7 per year counting only the 30 years with at least one publication.
  • The last 5 years on the chart (2018-2022) hold 18 publications, 13% of the career total.
  • Split into equal eras - 1990-2000: 17 publications (1.5 per year); 2001-2011: 57 publications (5.2 per year); 2012-2022: 67 publications (6.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Abraha Habtemariam 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 Abraha Habtemariam 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, 141–160 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: 141 publications — 11th percentile

11% 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 1,218 141
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
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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Abraha Habtemariam publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • Abraha Habtemariam, a Chemistry scholar from University of Warwick, records 141 publications - the 11th percentile of the discipline.
  • 11% of ranked Chemistry scientists score the same or lower than Abraha Habtemariam, and about 89% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Abraha Habtemariam ranks below the median.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

Abraha Habtemariam 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 Abraha Habtemariam 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, 60–61 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: 60 D-Index — 47th percentile

47% 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 60
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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Abraha Habtemariam D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • Abraha Habtemariam, a Chemistry scholar from University of Warwick, records 60 D-Index - the 47th percentile of the discipline.
  • 47% of ranked Chemistry scientists score the same or lower than Abraha Habtemariam, and about 53% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Abraha Habtemariam ranks below the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Abraha Habtemariam is affiliated with the University of Warwick in the United Kingdom. Their primary field of study is Materials Science, with a strong focus on Materials Chemistry, comprising 43 of their publications. Additional subfields include Oncology, Organic Chemistry, Electronic, Optical and Magnetic Materials, and Inorganic Chemistry.

Their research encompasses a range of topics predominantly related to crystallization and solubility studies as well as X-ray diffraction in crystallography. Habtemariam has contributed extensively to the synthesis and characterization of metal complexes. Their main topics of work are:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Metal complexes synthesis and properties
  • Ferrocene Chemistry and Applications
  • Lanthanide and Transition Metal Complexes
  • Magnetism in coordination complexes
  • Organometallic Complex Synthesis and Catalysis

Frequent co-authors collaborating with Habtemariam include Vanessa Rodríguez-Fanjul, Ana M. Pizarro, Peter J. Sadler, Isolda Romero-Canelón, and Sonia Infante-Tadeo. These collaborations have supported studies across multiple chemical disciplines and contributed to advancing the understanding of metal-based compounds and their applications.

Their recent publications cover several aspects of transition metal complexes with relevance to cancer research and catalysis. Notable papers include:

  • Structurally Strained Half-Sandwich Iridium(III) Complexes As Highly Potent Anticancer Agents (2020, Journal of Medicinal Chemistry)
  • Photoactivated Osmium Arene Anticancer Complexes (2021, Inorganic Chemistry)
  • Osmium(ii) tethered half-sandwich complexes: pH-dependent aqueous speciation and transfer hydrogenation in cells (2021, Chemical Science)
  • Effect of cysteine thiols on the catalytic and anticancer activity of Ru(ii) sulfonyl-ethylenediamine complexes (2022, Dalton Transactions)
  • Structure-activity relationships for osmium(II) arene phenylazopyridine anticancer complexes functionalised with alkoxy and glycolic substituents (2020, Journal of Inorganic Biochemistry)

The primary venues where Habtemariam's research appears include The Cambridge Structural Database with 20 publications, Dalton Transactions with 3 publications, Journal of Medicinal Chemistry, Inorganic Chemistry, and Chemical Science.

Best Publications

  • Organometallic chemistry, biology and medicine: ruthenium arene anticancer complexes

    Yaw Kai Yan;Michael Melchart;Abraha Habtemariam;Peter J. Sadler

  • Structure-activity relationships for cytotoxic ruthenium(II) arene complexes containing N,N-, N,O-, and O,O-chelating ligands

    Abraha Habtemariam;Michael Melchart;Rafael Fernandez;Simon Parsons

  • Designing organometallic compounds for catalysis and therapy.

    Anna Louisa Noffke;Abraha Habtemariam;Ana M. Pizarro;Peter J. Sadler

  • Organometallic Half-Sandwich Iridium Anticancer Complexes

    Zhe Liu;Abraha Habtemariam;Ana M. Pizarro;Sally A. Fletcher

  • The Potent Oxidant Anticancer Activity of Organoiridium Catalysts

    Zhe Liu;Isolda Romero-Canelón;Bushra Qamar;Jessica M. Hearn

  • Catalytic organometallic anticancer complexes

    Sarah J. Dougan;Abraha Habtemariam;Sarah E. McHale;Simon Parsons

  • Controlling ligand substitution reactions of organometallic complexes: tuning cancer cell cytotoxicity.

    F Y Wang;A Habtemariam;E P L van der Geer;R Fernandez

  • Transfer hydrogenation catalysis in cells as a new approach to anticancer drug design

    Joan J. Soldevila-Barreda;Isolda Romero-Canelón;Abraha Habtemariam;Peter J. Sadler

  • Tuning the Reactivity of Osmium(II) and Ruthenium(II) Arene Complexes under Physiological Conditions

    Anna F A Peacock;Abraha Habtemariam;Rafael Fernández;Victoria Walland

  • Use of chelating ligands to tune the reactive site of half-sandwich ruthenium(II)-arene anticancer complexes.

    Rafael Fernández;Michael Melchart;Abraha Habtemariam;Simon Parsons

  • Activation Mechanisms for Organometallic Anticancer Complexes

    Ana M. Pizarro;Abraha Habtemariam;Peter J. Sadler

  • Competition between glutathione and guanine for a ruthenium(II) arene anticancer complex : detection of a sulfenato intermediate

    Fuyi Wang;Jingjing Xu;Abraha Habtemariam;Juraj Bella

  • Asymmetric transfer hydrogenation by synthetic catalysts in cancer cells

    James P C Coverdale;Isolda Romero-Canelón;Carlos Sanchez-Cano;Guy J Clarkson

  • Phenylazo-pyridine and Phenylazo-pyrazole chlorido Ruthenium(II) Arene Complexes: Arene Loss, Aquation, and Cancer Cell Cytotoxicity

    Sarah J. Dougan;Michael Melchart;Abraha Habtemariam;Simon Parsons

  • In vivo tumour and metastasis reduction and in vitro effects on invasion assays of the ruthenium RM175 and osmium AFAP51 organometallics in the mammary cancer model

    A. Bergamo;A. Masi;Anna F. A. Peacock;Abraha Habtemariam

  • Photocontrolled DNA Binding of a Receptor-Targeted Organometallic Ruthenium(II) Complex

    Flavia Barragán;Paula López-Senín;Luca Salassa;Soledad Betanzos-Lara

  • Osmium(II) and Ruthenium(II) Arene Maltolato Complexes: Rapid Hydrolysis and Nucleobase Binding

    Anna F. A. Peacock;Michael Melchart;Robert J. Deeth;Abraha Habtemariam

  • Organometallic Ruthenium and Iridium Transfer‐Hydrogenation Catalysts Using Coenzyme NADH as a Cofactor

    Soledad Betanzos-Lara;Zhe Liu;Abraha Habtemariam;Ana M. Pizarro

  • Photoactivatable Organometallic Pyridyl Ruthenium(II) Arene Complexes

    Soledad Betanzos-Lara;Luca Salassa;Abraha Habtemariam;Olga Novakova

  • Contrasting Reactivity and Cancer Cell Cytotoxicity of Isoelectronic Organometallic Iridium(III) Complexes

    Zhe Liu;Luca Salassa;Abraha Habtemariam;Ana M. Pizarro

Frequent Co-Authors

Peter J. Sadler
Peter J. Sadler University of Warwick
Guy J. Clarkson
Guy J. Clarkson University of Warwick
Simon Parsons
Simon Parsons University of Edinburgh
Viktor Brabec
Viktor Brabec Czech Academy of Sciences
Robert J. Deeth
Robert J. Deeth University of Warwick
Jana Kasparkova
Jana Kasparkova Czech Academy of Sciences
Peter B. O’Connor
Peter B. O’Connor University of Warwick
Alfonso Castiñeiras
Alfonso Castiñeiras University of Santiago de Compostela
Alison Rodger
Alison Rodger Macquarie University
Pieter C. A. Bruijnincx
Pieter C. A. Bruijnincx Utrecht University

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