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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 64 8025 7278 40 37 239 14951

Oscar L. Malta publications per year

The chart shows the history of publications by Oscar L. Malta between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Oscar L. Malta published across 47 years, from 1979 to 2025, averaging 5.8 papers a year. Output peaked at 19 publications in 2022. 13 of the 273 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1979 to 2025. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2022. 1979: 1 publication 1980: 2 publications 1981: 1 publication 1982: 5 publications 1983: 5 publications 1984: 3 publications 1985: 2 publications 1986: 3 publications 1987: 3 publications 1988: 3 publications 1989: 1 publication 1990: 1 publication 1991: 1 publication 1992: 3 publications 1993: 0 publications 1994: 2 publications 1995: 3 publications 1996: 4 publications 1997: 11 publications 1998: 9 publications 1999: 6 publications 2000: 10 publications 2001: 4 publications 2002: 6 publications 2003: 7 publications 2004: 7 publications 2005: 10 publications 2006: 10 publications 2007: 3 publications 2008: 4 publications 2009: 2 publications 2010: 4 publications 2011: 11 publications 2012: 9 publications 2013: 8 publications 2014: 7 publications 2015: 6 publications 2016: 12 publications 2017: 9 publications 2018: 14 publications 2019: 7 publications 2020: 10 publications 2021: 4 publications 2022: 19 publications 2023: 8 publications 2024: 10 publications 2025: 3 publications
1979 2025

273 publications in total across all disciplines

View publications per year as a table
Oscar L. Malta: publications per year, 1979 to 2025
Year Publications
1979 1
1980 2
1981 1
1982 5
1983 5
1984 3
1985 2
1986 3
1987 3
1988 3
1989 1
1990 1
1991 1
1992 3
1993 0
1994 2
1995 3
1996 4
1997 11
1998 9
1999 6
2000 10
2001 4
2002 6
2003 7
2004 7
2005 10
2006 10
2007 3
2008 4
2009 2
2010 4
2011 11
2012 9
2013 8
2014 7
2015 6
2016 12
2017 9
2018 14
2019 7
2020 10
2021 4
2022 19
2023 8
2024 10
2025 3
Total 273
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Oscar L. Malta 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 Oscar L. Malta 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, 221–240 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: 239 publications — 46th percentile

46% 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 1,216 239
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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Oscar L. Malta 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 Oscar L. Malta 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, 64–65 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: 64 D-Index — 56th percentile

56% 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 64
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

Oscar L. Malta is affiliated with the Federal University of Pernambuco in Brazil. Their research primarily spans the field of Materials Science, with a focus on subfields including Materials Chemistry, Electronic, Optical and Magnetic Materials, Inorganic Chemistry, Physical and Theoretical Chemistry, and Radiology, Nuclear Medicine and Imaging.

Their recent scholarly output includes a range of publications covering diverse aspects of lanthanide chemistry and photophysical properties. Notable papers authored or co-authored by Oscar L. Malta include:

  • Surface Plasmon-Photon Coupling in Lanthanide-Doped Nanoparticles, 2021, The Journal of Physical Chemistry Letters
  • Theoretical and Experimental Investigation of the Tb3+ → Eu3+ Energy Transfer Mechanisms in Cubic A3Tb0.90Eu0.10(PO4)3 (A = Sr, Ba) Materials, 2020, The Journal of Physical Chemistry C
  • Luminescence properties of lanthanide tetrakis complexes as molecular light emitters, 2023, Coordination Chemistry Reviews
  • How minor structural changes generate major consequences in photophysical properties of RE coordination compounds; resonance effect, LMCT state, 2020, Journal of Rare Earths
  • Lanthanide complexes with N-phosphorylated carboxamide as UV converters with excellent emission quantum yield and single-ion magnet behavior, 2020, Journal of Materials Chemistry C

The scientific collaboration network of Oscar L. Malta features frequent co-authors such as:

  • Albano N. Carneiro Neto
  • Hermi F. Brito
  • Paula Gawryszewska
  • V.A. Trush
  • Vladimir M. Аmirkhanov

Oscar L. Malta has contributed research to several publication venues regularly, including:

  • The Cambridge Structural Database
  • Journal of Luminescence
  • SSRN Electronic Journal
  • Journal of Alloys and Compounds
  • Inorganic Chemistry

Their principal research topics encompass:

  • Lanthanide and Transition Metal Complexes
  • Luminescence Properties of Advanced Materials
  • Magnetism in coordination complexes
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Radioactive element chemistry and processing
  • Photochemistry and Electron Transfer Studies

Best Publications

  • Spectroscopic properties and design of highly luminescent lanthanide coordination complexes

    G.F de Sá;O.L Malta;C de Mello Donegá;A.M Simas

  • Spectroscopic properties of a new light-converting device Eu(thenoyltrifluoroacetonate)3 2(dibenzyl sulfoxide). A theoretical analysis based on structural data obtained from a sparkle model

    O.L. Malta;H.F. Brito;J.F.S. Menezes;F.R.Gonçalves e Silva

  • Luminescence and energy transfer of the europium (III) tungstate obtained via the Pechini method

    C.A Kodaira;H.F Brito;O.L Malta;O.A Serra

  • Intensity parameters of 4f—4f transitions in the Eu(dipivaloylmethanate)3 1, 10-phenanthroline complex

    O.L. Malta;M.A.Couto dos Santos;L.C. Thompson;N.K. Ito

  • Fluorescence enhancement induced by the presence of small silver particles in Eu3+ doped materials

    O.L. Malta;P.A. Santa-Cruz;G.F. De Sá;F. Auzel

  • Mechanisms of non-radiative energy transfer involving lanthanide ions revisited

    O.L. Malta

  • A scalar crystal field strength parameter for rare-earth ions : meaning and usefulness

    Unknown

  • Boosting the sensitivity of Nd3+-based luminescent nanothermometers

    Sangeetha Balabhadra;Mengistie L. Debasu;Carlos D. S. Brites;Luiz Antônio de Oliveira Nunes

  • Ligand—rare-earth ion energy transfer in coordination compounds. A theoretical approach

    O.L Malta

  • Experimental and theoretical emission quantum yield in the compound Eu(thenoyltrifluoroacetonate)3.2(dibenzyl sulfoxide)

    O.L. Malta;H.F. Brito;J.F.S. Menezes;F.R. Gonçalves e Silva

  • Theoretical crystal-field parameters for the YOCl:Eu3+ system. A simple overlap model

    O.L. Malta

  • Intermolecular energy transfer and photostability of luminescence-tuneable multicolour PMMA films doped with lanthanide–β-diketonate complexes

    Jiang Kai;Maria C. F. C. Felinto;Luiz Antônio de Oliveira Nunes;Oscar L. Malta

  • Visible and Near-Infrared Luminescence of Lanthanide-Containing Dimetallic Triple-Stranded Helicates: Energy Transfer Mechanisms in the SmIII and YbIII Molecular Edifices

    Fabiana R. Goncalves E. Silva;Oscar L. Malta;Christine Reinhard;Hans-Ulrich GüDEL

  • A simple overlap model in lanthanide crystal-field theory

    O.L. Malta

  • A theoretical interpretation of the abnormal 5D0→7F4 intensity based on the Eu3+ local coordination in the Na9[EuW10O36]·14H2O polyoxometalate

    R.A. Sá Ferreira;S.S. Nobre;C.M. Granadeiro;H.I.S. Nogueira

  • Enhancement of Pr3+ luminescence in PbO–GeO2 glasses containing silver nanoparticles

    Luz Patrícia Naranjo;Cid B. de Araújo;Oscar L. Malta;Petrus A. Santa Cruz

  • Theoretical analysis of the fluorescence yield of rare earth ions in glasses containing small metallic particles

    O.L. Malta;M.A. Couto dos Santos

  • Intensities of 4f-4f transitions in glass materials

    Oscar L. Malta;Luís D. Carlos

  • Influence of the N-[methylpyridyl]acetamide ligands on the photoluminescent properties of Eu(III)-perchlorate complexes

    Ercules E.S. Teotonio;José G.P. Espı́nola;Hermi F. Brito;Oscar L. Malta

  • A theoretical approach to intramolecular energy transfer and emission quantum yields in coordination compounds of rare earth ions

    O.L. Malta;F.R. Gonçalves e Silva

  • Overlap polarizability of a chemical bond: a scale of covalency and application to lanthanide compounds

    O.L. Malta;H.J. Batista;L.D. Carlos

Frequent Co-Authors

Hermi F. Brito
Hermi F. Brito Universidade de São Paulo
Luís D. Carlos
Luís D. Carlos University of Aveiro
Rute A. S. Ferreira
Rute A. S. Ferreira University of Aveiro
Jorma Hölsä
Jorma Hölsä University of Turku
Filipe A. Almeida Paz
Filipe A. Almeida Paz University of Aveiro
Younes Messaddeq
Younes Messaddeq Université Laval
João Rocha
João Rocha Universidade Federal de Santa Maria
Marco Bettinelli
Marco Bettinelli University of Verona
Sidney José Lima Ribeiro
Sidney José Lima Ribeiro Sao Paulo State University
Cid B. de Araújo
Cid B. de Araújo Federal University of Pernambuco

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