World's Best Scientists 2026 revealed!
Roberto Orlando

Roberto Orlando

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 59 10022 306 157 15570

Roberto Orlando publications per year

The chart shows the history of publications by Roberto Orlando between 1987 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Roberto Orlando published across 37 years, from 1987 to 2023, averaging 4.8 papers a year. Output peaked at 14 publications in 2005. 5 of the 179 publications appeared in the last two years.

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

179 publications in total across all disciplines

View publications per year as a table
Roberto Orlando: publications per year, 1987 to 2023
Year Publications
1987 2
1988 1
1989 0
1990 6
1991 5
1992 7
1993 4
1994 8
1995 2
1996 3
1997 5
1998 3
1999 2
2000 5
2001 3
2002 2
2003 5
2004 11
2005 14
2006 3
2007 3
2008 7
2009 10
2010 5
2011 5
2012 13
2013 9
2014 10
2015 5
2016 12
2017 2
2018 1
2019 1
2020 0
2021 0
2022 0
2023 5
Total 179
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Roberto Orlando 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 Roberto Orlando 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: 157 publications — 16th percentile

16% 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 1,218 157
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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Roberto Orlando 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 Roberto Orlando 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: 59 D-Index — 44th percentile

44% 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 59
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

Roberto Orlando was affiliated with the University of Turin in Italy and contributed to the field of Physics and Astronomy with a primary focus on Atomic and Molecular Physics, and Optics. Their research spanned subfields such as Spectroscopy and Condensed Matter Physics.

Their scholarly output included several papers published mainly in recognized scientific venues. Notable publications include:

  • The three channels of many-body perturbation theory: GW, particle-particle, and electron-hole T-matrix self-energies, 2023, The Journal of Chemical Physics
  • Exploring new exchange-correlation kernels in the Bethe-Salpeter equation: a study of the asymmetric Hubbard dimer, 2023, arXiv (Cornell University)
  • The three channels of many-body perturbation theory: $GW$, particle-particle, and electron-hole $T$-matrix self-energies, 2023, arXiv (Cornell University)

Frequent co-authors in their research included Pina Romaniello and Pierre-François Loos, each collaborating on four publications.

Roberto Orlando's work covered several main research topics, including:

  • Advanced Chemical Physics Studies
  • Spectroscopy and Quantum Chemical Studies
  • Quantum, superfluid, helium dynamics
  • Molecular spectroscopy and chirality
  • Cold Atom Physics and Bose-Einstein Condensates
  • Physics of Superconductivity and Magnetism

The scientist actively published in venues such as arXiv (Cornell University) and The Journal of Chemical Physics.

The research contributed knowledge particularly related to many-body perturbation theory approaches and exchange-correlation kernels in quantum physics, reflecting engagement with contemporary computational and theoretical methods.

Best Publications

  • Quantum-mechanical condensed matter simulations with CRYSTAL

    Roberto Dovesi;Alessandro Erba;Roberto Orlando;Claudio M. Zicovich-Wilson

  • CRYSTAL14: A program for the ab initio investigation of crystalline solids

    Roberto Dovesi;Roberto Orlando;Alessandro Erba;Claudio M. Zicovich-Wilson

  • CRYSTAL : a computational tool for the ab initio study of the electronic properties of crystals

    Roberto Dovesi;Roberto Orlando;Bartolomeo Civalleri;Carla Roetti

  • The Calculation of the Vibrational Frequencies of Crystalline Compounds and Its Implementation in the CRYSTAL Code

    Fabien Pascale;Claudio Marcelo Zicovich-Wilson;F. López Gejo;Bartolomeo Civalleri

  • First-principles study of the structural, electronic, and optical properties of Ga 2 O 3 in its monoclinic and hexagonal phases

    Haiying He;Roberto Orlando;Miguel A. Blanco;Ravindra Pandey

  • Calculation of the vibration frequencies of alpha-quartz: the effect of Hamiltonian and basis set.

    C. M. Zicovich-Wilson;F. Pascale;C. Roetti;V. R. Saunders

  • Hybrid exchange-correlation functional for accurate prediction of the electronic and structural properties of ferroelectric oxides

    D. I. Bilc;R. Orlando;Riad Shaltaf;Gian-Marco Rignanese

  • Hartree–Fock geometry optimisation of periodic systems with the Crystal code

    B. Civalleri;Ph. D'Arco;R. Orlando;V.R. Saunders

  • The calculation of static polarizabilities of 1-3D periodic compounds. the implementation in the crystal code.

    Mauro Ferrero;Michel Rérat;Roberto Orlando;Roberto Dovesi

  • Ab initio approach to molecular crystals: A periodic Hartree–Fock study of crystalline urea

    R. Dovesi;M. Causa;R. Orlando;C. Roetti

  • Ab initio analytical Raman intensities for periodic systems through a coupled perturbed Hartree-Fock/Kohn-Sham method in an atomic orbital basis. I. Theory.

    Lorenzo Maschio;Bernard Kirtman;Michel Rérat;Roberto Orlando

  • The Performance of Hybrid Density Functionals in Solid State Chemistry

    Furio Corà;Maria Alfredsson;Giuseppe Mallia;Derek S. Middlemiss

  • Coupled perturbed Hartree-Fock for periodic systems: The role of symmetry and related computational aspects

    Mauro Ferrero;Michel Rérat;Roberto Orlando;Roberto Dovesi

  • Ab initio Hartree-Fock calculations for periodic compounds: application to semiconductors

    R Orlando;R Dovesi;C Roetti;V R Saunders

  • Realistic Models of Hydroxylated Amorphous Silica Surfaces and MCM‐41 Mesoporous Material Simulated by Large‐scale Periodic B3LYP Calculations

    Piero Ugliengo;M. Sodupe;F. Musso;I. J. Bush

  • Ab initio analytical Raman intensities for periodic systems through a coupled perturbed Hartree-Fock/Kohn-Sham method in an atomic orbital basis. II. Validation and comparison with experiments

    Lorenzo Maschio;Bernard Kirtman;Michel Rérat;Roberto Orlando

  • The vibrational spectrum of calcite (CaCO3): an ab initio quantum-mechanical calculation

    M. Prencipe;F. Pascale;C. M. Zicovich-Wilson;V. R. Saunders

  • The Raman spectrum of CaCO3 polymorphs calcite and aragonite: A combined experimental and computational study

    Marco De La Pierre;Cédric Carteret;Lorenzo Maschio;Erwan André

  • Performance of six functionals (LDA, PBE, PBESOL, B3LYP, PBE0, and WC1LYP) in the simulation of vibrational and dielectric properties of crystalline compounds. The case of forsterite Mg2SiO4

    M. De La Pierre;R. Orlando;L. Maschio;K. Doll;K. Doll

  • Ab Initio Quantum Simulation in Solid State Chemistry

    Roberto Dovesi;Bartolomeo Civalleri;Carla Roetti;Victor R. Saunders

  • Vibrational spectrum of brucite, Mg(OH)2: a periodic ab initio quantum mechanical calculation including OH anharmonicity

    Fabien Pascale;Sergio Tosoni;Claudio Zicovich-Wilson;Piero Ugliengo

  • Ab initio analytical infrared intensities for periodic systems through a coupled perturbed Hartree-Fock/Kohn-Sham method

    Lorenzo Maschio;Bernard Kirtman;Roberto Orlando;Michel Rèrat

  • The Periodic Hartree‐Fock Method and Its Implementation in the CRYSTAL Code

    R. Dovesi;R. Orlando;C. Roetti;C. Pisani

Frequent Co-Authors

Roberto Dovesi
Roberto Dovesi University of Turin
Claudio M. Zicovich-Wilson
Claudio M. Zicovich-Wilson Universidad Autónoma del Estado de Morelos
Piero Ugliengo
Piero Ugliengo University of Turin
Bartolomeo Civalleri
Bartolomeo Civalleri University of Turin
Carla Roetti
Carla Roetti University of Turin
Cesare Pisani
Cesare Pisani University of Turin
Nicholas M. Harrison
Nicholas M. Harrison Imperial College London
Anna Maria Ferrari
Anna Maria Ferrari University of Turin
Bernard Kirtman
Bernard Kirtman University of California, Santa Barbara
Ravindra Pandey
Ravindra Pandey Michigan Technological University

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