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Highly Cited Researchers

Highly Cited Researchers 55 Scientists Citation Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

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Total 55 scientists , Updates every 3 days
* Total Citation Counts Rankings

Rankings

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54,338
World Rank
Italy
2,060
Country Rank
Institute of Nanoscience, CNR Logo
1
University
Ranking Based On Selection:
1
Lucian Constantin
Institute of Nanoscience, CNR Rome, Italy
Others
Density Functional Theory | Electronic structure calculation

Citation Metrics

  • Total
    18,235
  • Last 5 Years
    10,443
  • Last 5 Years / Total
    0.573
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* Total Citation Counts Rankings

Rankings

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60,356
World Rank
Italy
2,273
Country Rank
Institute of Nanoscience, CNR Logo
2
University
Ranking Based On Selection:
2
Andrea Ferretti
Institute of Nanoscience, CNR Rome, Italy
Natural Sciences / Physics
computational condensed matter physic

Citation Metrics

  • Total
    16,858
  • Last 5 Years
    13,777
  • Last 5 Years / Total
    0.817
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* Total Citation Counts Rankings

Rankings

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120,728
World Rank
Italy
4,888
Country Rank
Institute of Nanoscience, CNR Logo
3
University
Ranking Based On Selection:
3
Valentina Tozzini
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Computer Science
Computer modeling | Multi-scale simulations | 2D materials | Biomolecular modeling | Materials Scienc

Citation Metrics

  • Total
    9,533
  • Last 5 Years
    3,595
  • Last 5 Years / Total
    0.377
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* Total Citation Counts Rankings

Rankings

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167,591
World Rank
Italy
7,062
Country Rank
Institute of Nanoscience, CNR Logo
4
University
Ranking Based On Selection:
4
Andrea Camposeo
Institute of Nanoscience, CNR Rome, Italy
Others

Citation Metrics

  • Total
    7,043
  • Last 5 Years
    3,154
  • Last 5 Years / Total
    0.448
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* Total Citation Counts Rankings

Rankings

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173,642
World Rank
Italy
7,358
Country Rank
Institute of Nanoscience, CNR Logo
5
University
Ranking Based On Selection:
5
Calzolari Arrigo
Institute of Nanoscience, CNR Rome, Italy
Natural Sciences / Physics
condensed matter | first principles simulation

Citation Metrics

  • Total
    6,805
  • Last 5 Years
    2,684
  • Last 5 Years / Total
    0.394
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* Total Citation Counts Rankings

Rankings

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174,025
World Rank
Italy
7,375
Country Rank
Institute of Nanoscience, CNR Logo
6
University
Ranking Based On Selection:
6
Michele Campisi
Institute of Nanoscience, CNR Rome, Italy
Natural Sciences / Physics
physic

Citation Metrics

  • Total
    6,791
  • Last 5 Years
    3,827
  • Last 5 Years / Total
    0.564
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* Total Citation Counts Rankings

Rankings

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183,665
World Rank
Italy
7,827
Country Rank
Institute of Nanoscience, CNR Logo
7
University
Ranking Based On Selection:
7
Stefan Heun
Institute of Nanoscience, CNR Rome, Italy
Natural Sciences / Physics
Graphene | quantum Hall physics | Josephson junctions | scanning probe microscop

Citation Metrics

  • Total
    6,445
  • Last 5 Years
    1,906
  • Last 5 Years / Total
    0.296
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* Total Citation Counts Rankings

Rankings

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209,344
World Rank
Italy
9,076
Country Rank
Institute of Nanoscience, CNR Logo
8
University
Ranking Based On Selection:
8
Daniele Varsano
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Metallurgical & Materials Engineering
Electronic excitations | Computational Materials Science | Many Body Perturbation Theor

Citation Metrics

  • Total
    5,639
  • Last 5 Years
    3,094
  • Last 5 Years / Total
    0.549
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* Total Citation Counts Rankings

Rankings

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213,606
World Rank
Italy
9,267
Country Rank
Institute of Nanoscience, CNR Logo
9
University
Ranking Based On Selection:
9
Filippo Fabbri
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | 2D Materials | Cathodoluminescence | Raman Spectroscop

Citation Metrics

  • Total
    5,523
  • Last 5 Years
    3,449
  • Last 5 Years / Total
    0.624
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* Total Citation Counts Rankings

Rankings

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233,222
World Rank
Italy
10,220
Country Rank
Institute of Nanoscience, CNR Logo
10
University
Ranking Based On Selection:
10
Filippo Troiani
Institute of Nanoscience, CNR Rome, Italy
Others
Silicon qubits | multidimensional spectroscopy | molecular magnetis

Citation Metrics

  • Total
    5,041
  • Last 5 Years
    1,586
  • Last 5 Years / Total
    0.315
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* Total Citation Counts Rankings

Rankings

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235,208
World Rank
Italy
10,306
Country Rank
Institute of Nanoscience, CNR Logo
11
University
Ranking Based On Selection:
11
Sujoy Kumar Ghosh
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Energy Engineering
Renewable Energy for Self-Powered Flexible Electronic

Citation Metrics

  • Total
    4,996
  • Last 5 Years
    4,087
  • Last 5 Years / Total
    0.818
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* Total Citation Counts Rankings

Rankings

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241,230
World Rank
Italy
10,612
Country Rank
Institute of Nanoscience, CNR Logo
12
University
Ranking Based On Selection:
12
Matteo Carrega
Institute of Nanoscience, CNR Rome, Italy
Natural Sciences / Physics
Quantum Physics | Non equilibrium transport properties | Low dimensional systems | Many body physics | Topological Quantum Matte

Citation Metrics

  • Total
    4,862
  • Last 5 Years
    3,266
  • Last 5 Years / Total
    0.672
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* Total Citation Counts Rankings

Rankings

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250,458
World Rank
Italy
11,035
Country Rank
Institute of Nanoscience, CNR Logo
13
University
Ranking Based On Selection:
13
Marco Cecchini
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Nanoscience and Nanotechnology
Surface Acoustic Waves | Sensors | Nanomedicine | Lab-on-Chip

Citation Metrics

  • Total
    4,669
  • Last 5 Years
    2,629
  • Last 5 Years / Total
    0.563
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* Total Citation Counts Rankings

Rankings

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291,270
World Rank
Italy
12,944
Country Rank
Institute of Nanoscience, CNR Logo
14
University
Ranking Based On Selection:
14
Carlo Andrea Rozzi
Institute of Nanoscience, CNR Rome, Italy
Others
Theory and simulation of ultrafast phenomen

Citation Metrics

  • Total
    3,947
  • Last 5 Years
    2,014
  • Last 5 Years / Total
    0.510
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* Total Citation Counts Rankings

Rankings

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293,741
World Rank
Italy
13,043
Country Rank
Institute of Nanoscience, CNR Logo
15
University
Ranking Based On Selection:
15
Alessandra Catellani
Institute of Nanoscience, CNR Rome, Italy
Others
computational solid state theor

Citation Metrics

  • Total
    3,909
  • Last 5 Years
    1,249
  • Last 5 Years / Total
    0.320
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* Total Citation Counts Rankings

Rankings

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331,704
World Rank
Italy
14,777
Country Rank
Institute of Nanoscience, CNR Logo
16
University
Ranking Based On Selection:
16
Alessandro Braggio
Institute of Nanoscience, CNR Rome, Italy
Natural Sciences / Physics
Condensed matter physic

Citation Metrics

  • Total
    3,389
  • Last 5 Years
    1,735
  • Last 5 Years / Total
    0.512
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* Total Citation Counts Rankings

Rankings

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332,132
World Rank
Italy
14,792
Country Rank
Institute of Nanoscience, CNR Logo
17
University
Ranking Based On Selection:
17
Fabio Taddei
Institute of Nanoscience, CNR Rome, Italy
Natural Sciences / Physics
Majorana fermions | quantum transport | hybrid superconducting nanostructures | thermoelectricit

Citation Metrics

  • Total
    3,384
  • Last 5 Years
    1,228
  • Last 5 Years / Total
    0.363
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* Total Citation Counts Rankings

Rankings

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340,786
World Rank
Italy
15,176
Country Rank
Institute of Nanoscience, CNR Logo
18
University
Ranking Based On Selection:
18
Sergio Pezzini
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Metallurgical & Materials Engineering
quantum transport | graphene | topological materials

Citation Metrics

  • Total
    3,278
  • Last 5 Years
    2,309
  • Last 5 Years / Total
    0.704
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* Total Citation Counts Rankings

Rankings

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342,789
World Rank
Italy
15,259
Country Rank
Institute of Nanoscience, CNR Logo
19
University
Ranking Based On Selection:
19
Alberto Ghirri
Institute of Nanoscience, CNR Rome, Italy
Others

Citation Metrics

  • Total
    3,255
  • Last 5 Years
    1,152
  • Last 5 Years / Total
    0.354
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* Total Citation Counts Rankings

Rankings

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364,384
World Rank
Italy
16,172
Country Rank
Institute of Nanoscience, CNR Logo
20
University
Ranking Based On Selection:
20
Gabriele Losi
Institute of Nanoscience, CNR Rome, Italy
Medical and Health Sciences / Neuroscience
Neuroscienz

Citation Metrics

  • Total
    3,021
  • Last 5 Years
    1,174
  • Last 5 Years / Total
    0.389
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* Total Citation Counts Rankings

Rankings

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409,107
World Rank
Italy
18,186
Country Rank
Institute of Nanoscience, CNR Logo
21
University
Ranking Based On Selection:
21
Ilaria Tonazzini
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Nanoscience and Nanotechnology
nanoscience | neuroscience | biomaterials | neurodevelopmental disorders | nanoparticle

Citation Metrics

  • Total
    2,603
  • Last 5 Years
    1,378
  • Last 5 Years / Total
    0.529
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* Total Citation Counts Rankings

Rankings

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409,864
World Rank
Italy
18,220
Country Rank
Institute of Nanoscience, CNR Logo
22
University
Ranking Based On Selection:
22
Massimo Rontani
Institute of Nanoscience, CNR Rome, Italy
Natural Sciences / Physics
Condensed matter theor

Citation Metrics

  • Total
    2,597
  • Last 5 Years
    861
  • Last 5 Years / Total
    0.332
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* Total Citation Counts Rankings

Rankings

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419,326
World Rank
Italy
18,614
Country Rank
Institute of Nanoscience, CNR Logo
23
University
Ranking Based On Selection:
23
Lyudmyla Adamska
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Metallurgical & Materials Engineering
materials for energy application

Citation Metrics

  • Total
    2,519
  • Last 5 Years
    1,091
  • Last 5 Years / Total
    0.433
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* Total Citation Counts Rankings

Rankings

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447,632
World Rank
Italy
19,744
Country Rank
Institute of Nanoscience, CNR Logo
24
University
Ranking Based On Selection:
24
Stefano Pittalis
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Electrical & Electronic Engineering
Electronic-structure theory | Density-functional theory | Quantum chemistry | Many-body problem

Citation Metrics

  • Total
    2,304
  • Last 5 Years
    1,237
  • Last 5 Years / Total
    0.537
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* Total Citation Counts Rankings

Rankings

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460,405
World Rank
Italy
20,297
Country Rank
Institute of Nanoscience, CNR Logo
25
University
Ranking Based On Selection:
25
Stefano Veronesi
Institute of Nanoscience, CNR Rome, Italy
Engineering & Technology / Metallurgical & Materials Engineering
material science | surface physics | hydrogen storag

Citation Metrics

  • Total
    2,216
  • Last 5 Years
    715
  • Last 5 Years / Total
    0.323
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