Sofia University "St. Kliment Ohridski"

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Sofia University "St. Kliment Ohridski"
Short name
SU
Country, city
Bulgaria, Sofia
Publications
15 062
Citations
239 051
h-index
153

Most cited in 5 years

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Found 

Since 1921

Total publications
15062
Total citations
239051
Citations per publication
15.87
Average publications per year
143.45
Average authors per publication
132.94
h-index
153
Metrics description
h-index
A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

Top-30

Fields of science

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2000
Condensed Matter Physics, 1889, 12.54%
Condensed Matter Physics
1889 publications, 12.54%
General Physics and Astronomy, 1146, 7.61%
General Physics and Astronomy
1146 publications, 7.61%
Physical and Theoretical Chemistry, 1105, 7.34%
Physical and Theoretical Chemistry
1105 publications, 7.34%
Electronic, Optical and Magnetic Materials, 1055, 7%
Electronic, Optical and Magnetic Materials
1055 publications, 7%
Nuclear and High Energy Physics, 984, 6.53%
Nuclear and High Energy Physics
984 publications, 6.53%
General Medicine, 952, 6.32%
General Medicine
952 publications, 6.32%
General Chemistry, 945, 6.27%
General Chemistry
945 publications, 6.27%
Materials Chemistry, 890, 5.91%
Materials Chemistry
890 publications, 5.91%
General Materials Science, 852, 5.66%
General Materials Science
852 publications, 5.66%
Atomic and Molecular Physics, and Optics, 830, 5.51%
Atomic and Molecular Physics, and Optics
830 publications, 5.51%
Organic Chemistry, 708, 4.7%
Organic Chemistry
708 publications, 4.7%
Analytical Chemistry, 670, 4.45%
Analytical Chemistry
670 publications, 4.45%
Spectroscopy, 590, 3.92%
Spectroscopy
590 publications, 3.92%
Biochemistry, 577, 3.83%
Biochemistry
577 publications, 3.83%
Biotechnology, 533, 3.54%
Biotechnology
533 publications, 3.54%
Colloid and Surface Chemistry, 523, 3.47%
Colloid and Surface Chemistry
523 publications, 3.47%
Surfaces, Coatings and Films, 519, 3.45%
Surfaces, Coatings and Films
519 publications, 3.45%
Electrical and Electronic Engineering, 441, 2.93%
Electrical and Electronic Engineering
441 publications, 2.93%
Inorganic Chemistry, 433, 2.87%
Inorganic Chemistry
433 publications, 2.87%
Instrumentation, 432, 2.87%
Instrumentation
432 publications, 2.87%
Physics and Astronomy (miscellaneous), 410, 2.72%
Physics and Astronomy (miscellaneous)
410 publications, 2.72%
Applied Mathematics, 372, 2.47%
Applied Mathematics
372 publications, 2.47%
Polymers and Plastics, 370, 2.46%
Polymers and Plastics
370 publications, 2.46%
Surfaces and Interfaces, 357, 2.37%
Surfaces and Interfaces
357 publications, 2.37%
General Chemical Engineering, 349, 2.32%
General Chemical Engineering
349 publications, 2.32%
General Mathematics, 308, 2.04%
General Mathematics
308 publications, 2.04%
General Engineering, 306, 2.03%
General Engineering
306 publications, 2.03%
Mechanical Engineering, 295, 1.96%
Mechanical Engineering
295 publications, 1.96%
Engineering (miscellaneous), 291, 1.93%
Engineering (miscellaneous)
291 publications, 1.93%
Mechanics of Materials, 289, 1.92%
Mechanics of Materials
289 publications, 1.92%
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1800
2000

Journals

100
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Journal of High Energy Physics
592 publications, 3.93%
Biotechnology and Biotechnological Equipment
349 publications, 2.32%
European Physical Journal C
300 publications, 1.99%
Journal of Physics: Conference Series
280 publications, 1.86%
Lecture Notes in Computer Science
192 publications, 1.27%
Colloids and Surfaces A: Physicochemical and Engineering Aspects
170 publications, 1.13%
Proceedings of SPIE - The International Society for Optical Engineering
166 publications, 1.1%
Physical Review A
160 publications, 1.06%
Physical Review D
156 publications, 1.04%
Physica Status Solidi (B): Basic Research
147 publications, 0.98%
Physical Review B
146 publications, 0.97%
Journal of Colloid and Interface Science
130 publications, 0.86%
Journal of Molecular Structure
127 publications, 0.84%
phys stat sol (a)
107 publications, 0.71%
Physical Review C
99 publications, 0.66%
Molecules
98 publications, 0.65%
Optics Communications
97 publications, 0.64%
Crystal Research and Technology
96 publications, 0.64%
AIP Conference Proceedings
78 publications, 0.52%
Physical Review Letters
77 publications, 0.51%
Colloid and Polymer Science
75 publications, 0.5%
Journal of Applied Physics
74 publications, 0.49%
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
73 publications, 0.48%
Langmuir
73 publications, 0.48%
Physics Letters, Section A: General, Atomic and Solid State Physics
65 publications, 0.43%
Journal of Physics Condensed Matter
65 publications, 0.43%
Dyes and Pigments
65 publications, 0.43%
International Journal of Molecular Sciences
65 publications, 0.43%
Journal of Alloys and Compounds
64 publications, 0.42%
Journal of Instrumentation
64 publications, 0.42%
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Publishers

500
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Elsevier
3712 publications, 24.64%
Springer Nature
3471 publications, 23.04%
Wiley
1104 publications, 7.33%
Taylor & Francis
945 publications, 6.27%
MDPI
891 publications, 5.92%
IOP Publishing
823 publications, 5.46%
American Physical Society (APS)
673 publications, 4.47%
American Chemical Society (ACS)
305 publications, 2.02%
AIP Publishing
301 publications, 2%
Walter de Gruyter
290 publications, 1.93%
Oxford University Press
193 publications, 1.28%
SPIE-Intl Soc Optical Eng
168 publications, 1.12%
Royal Society of Chemistry (RSC)
151 publications, 1%
Cambridge University Press
141 publications, 0.94%
Optica Publishing Group
138 publications, 0.92%
EDP Sciences
132 publications, 0.88%
SAGE
115 publications, 0.76%
Pleiades Publishing
113 publications, 0.75%
World Scientific
102 publications, 0.68%
Institute of Electrical and Electronics Engineers (IEEE)
87 publications, 0.58%
BMJ
65 publications, 0.43%
Hindawi Limited
60 publications, 0.4%
Social Science Electronic Publishing
56 publications, 0.37%
Pensoft Publishers
47 publications, 0.31%
Frontiers Media S.A.
44 publications, 0.29%
IGI Global
33 publications, 0.22%
IOS Press
31 publications, 0.21%
American Mathematical Society
30 publications, 0.2%
Trans Tech Publications
28 publications, 0.19%
Baishideng Publishing Group
28 publications, 0.19%
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With other organizations

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National Institute for Nuclear Physics
1055 publications, 7%
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences
1023 publications, 6.79%
European Organization for Nuclear Research
960 publications, 6.37%
National Laboratory of Frascati
929 publications, 6.17%
National and Kapodistrian University of Athens
910 publications, 6.04%
University of Pavia
894 publications, 5.94%
University of Belgrade
885 publications, 5.88%
Hamburg University
879 publications, 5.84%
Sapienza University of Rome
854 publications, 5.67%
Ohio State University
850 publications, 5.64%
Charles University
838 publications, 5.56%
University of Bologna
826 publications, 5.48%
University of Warsaw
825 publications, 5.48%
Universidad Autónoma de Madrid
818 publications, 5.43%
University of Naples Federico II
817 publications, 5.42%
Benemérita Universidad Autónoma de Puebla
806 publications, 5.35%
Sungkyunkwan University
805 publications, 5.34%
Joint Institute for Nuclear Research
803 publications, 5.33%
University of Strasbourg
800 publications, 5.31%
Peking University
799 publications, 5.3%
Panjab University
795 publications, 5.28%
Boğaziçi University
791 publications, 5.25%
Deutsches Elektronen-Synchrotron
789 publications, 5.24%
University of Colorado Boulder
789 publications, 5.24%
University of Pisa
787 publications, 5.23%
University of Tennessee
787 publications, 5.23%
Boston University
784 publications, 5.21%
University of Wisconsin–Madison
783 publications, 5.2%
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
782 publications, 5.19%
University of Iowa
782 publications, 5.19%
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With foreign organizations

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National Institute for Nuclear Physics
1055 publications, 7%
European Organization for Nuclear Research
960 publications, 6.37%
National Laboratory of Frascati
929 publications, 6.17%
National and Kapodistrian University of Athens
910 publications, 6.04%
University of Pavia
894 publications, 5.94%
University of Belgrade
885 publications, 5.88%
Hamburg University
879 publications, 5.84%
Sapienza University of Rome
854 publications, 5.67%
Ohio State University
850 publications, 5.64%
Charles University
838 publications, 5.56%
University of Bologna
826 publications, 5.48%
University of Warsaw
825 publications, 5.48%
Universidad Autónoma de Madrid
818 publications, 5.43%
University of Naples Federico II
817 publications, 5.42%
Benemérita Universidad Autónoma de Puebla
806 publications, 5.35%
Sungkyunkwan University
805 publications, 5.34%
Joint Institute for Nuclear Research
803 publications, 5.33%
University of Strasbourg
800 publications, 5.31%
Peking University
799 publications, 5.3%
Panjab University
795 publications, 5.28%
Boğaziçi University
791 publications, 5.25%
Deutsches Elektronen-Synchrotron
789 publications, 5.24%
University of Colorado Boulder
789 publications, 5.24%
University of Pisa
787 publications, 5.23%
University of Tennessee
787 publications, 5.23%
Boston University
784 publications, 5.21%
University of Wisconsin–Madison
783 publications, 5.2%
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
782 publications, 5.19%
University of Iowa
782 publications, 5.19%
University of Eastern Piedmont Amadeo Avogadro
780 publications, 5.18%
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With other countries

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Germany, 2723, 18.08%
Germany
2723 publications, 18.08%
USA, 2026, 13.45%
USA
2026 publications, 13.45%
France, 1615, 10.72%
France
1615 publications, 10.72%
United Kingdom, 1562, 10.37%
United Kingdom
1562 publications, 10.37%
Italy, 1478, 9.81%
Italy
1478 publications, 9.81%
Spain, 1344, 8.92%
Spain
1344 publications, 8.92%
Poland, 1327, 8.81%
Poland
1327 publications, 8.81%
Russia, 1231, 8.17%
Russia
1231 publications, 8.17%
Switzerland, 1216, 8.07%
Switzerland
1216 publications, 8.07%
Greece, 1087, 7.22%
Greece
1087 publications, 7.22%
China, 1085, 7.2%
China
1085 publications, 7.2%
Belgium, 1085, 7.2%
Belgium
1085 publications, 7.2%
Austria, 1054, 7%
Austria
1054 publications, 7%
Czech Republic, 1004, 6.67%
Czech Republic
1004 publications, 6.67%
Hungary, 999, 6.63%
Hungary
999 publications, 6.63%
Turkey, 997, 6.62%
Turkey
997 publications, 6.62%
Brazil, 957, 6.35%
Brazil
957 publications, 6.35%
India, 956, 6.35%
India
956 publications, 6.35%
Mexico, 880, 5.84%
Mexico
880 publications, 5.84%
Croatia, 875, 5.81%
Croatia
875 publications, 5.81%
Republic of Korea, 867, 5.76%
Republic of Korea
867 publications, 5.76%
Portugal, 866, 5.75%
Portugal
866 publications, 5.75%
Ukraine, 855, 5.68%
Ukraine
855 publications, 5.68%
Finland, 853, 5.66%
Finland
853 publications, 5.66%
Serbia, 852, 5.66%
Serbia
852 publications, 5.66%
Pakistan, 818, 5.43%
Pakistan
818 publications, 5.43%
Georgia, 787, 5.23%
Georgia
787 publications, 5.23%
Colombia, 769, 5.11%
Colombia
769 publications, 5.11%
Egypt, 761, 5.05%
Egypt
761 publications, 5.05%
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  • We do not take into account publications without a DOI.
  • Statistics recalculated daily.
  • Publications published earlier than 1921 are ignored in the statistics.
  • The horizontal charts show the 30 top positions.
  • Journals quartiles values are relevant at the moment.
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