Sofia University "St. Kliment Ohridski"

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Sofia University "St. Kliment Ohridski"
Short name
SU
Country, city
Bulgaria, Sofia
Publications
15 781
Citations
251 581
h-index
158

Most cited in 5 years

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Found 

Since 1921

Total publications
15781
Total citations
251581
Citations per publication
15.94
Average publications per year
148.88
Average authors per publication
136.74
h-index
158
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, 11.97%
Condensed Matter Physics
1889 publications, 11.97%
General Physics and Astronomy, 1151, 7.29%
General Physics and Astronomy
1151 publications, 7.29%
Physical and Theoretical Chemistry, 1105, 7%
Physical and Theoretical Chemistry
1105 publications, 7%
Electronic, Optical and Magnetic Materials, 1055, 6.69%
Electronic, Optical and Magnetic Materials
1055 publications, 6.69%
Nuclear and High Energy Physics, 984, 6.24%
Nuclear and High Energy Physics
984 publications, 6.24%
General Medicine, 959, 6.08%
General Medicine
959 publications, 6.08%
General Chemistry, 945, 5.99%
General Chemistry
945 publications, 5.99%
Materials Chemistry, 890, 5.64%
Materials Chemistry
890 publications, 5.64%
General Materials Science, 852, 5.4%
General Materials Science
852 publications, 5.4%
Atomic and Molecular Physics, and Optics, 830, 5.26%
Atomic and Molecular Physics, and Optics
830 publications, 5.26%
Organic Chemistry, 708, 4.49%
Organic Chemistry
708 publications, 4.49%
Analytical Chemistry, 670, 4.25%
Analytical Chemistry
670 publications, 4.25%
Spectroscopy, 590, 3.74%
Spectroscopy
590 publications, 3.74%
Biochemistry, 577, 3.66%
Biochemistry
577 publications, 3.66%
Biotechnology, 533, 3.38%
Biotechnology
533 publications, 3.38%
Colloid and Surface Chemistry, 523, 3.31%
Colloid and Surface Chemistry
523 publications, 3.31%
Surfaces, Coatings and Films, 519, 3.29%
Surfaces, Coatings and Films
519 publications, 3.29%
Electrical and Electronic Engineering, 441, 2.79%
Electrical and Electronic Engineering
441 publications, 2.79%
Inorganic Chemistry, 433, 2.74%
Inorganic Chemistry
433 publications, 2.74%
Instrumentation, 432, 2.74%
Instrumentation
432 publications, 2.74%
Physics and Astronomy (miscellaneous), 410, 2.6%
Physics and Astronomy (miscellaneous)
410 publications, 2.6%
Applied Mathematics, 378, 2.4%
Applied Mathematics
378 publications, 2.4%
Polymers and Plastics, 370, 2.34%
Polymers and Plastics
370 publications, 2.34%
Surfaces and Interfaces, 357, 2.26%
Surfaces and Interfaces
357 publications, 2.26%
General Chemical Engineering, 349, 2.21%
General Chemical Engineering
349 publications, 2.21%
General Mathematics, 316, 2%
General Mathematics
316 publications, 2%
General Engineering, 307, 1.95%
General Engineering
307 publications, 1.95%
Mechanical Engineering, 295, 1.87%
Mechanical Engineering
295 publications, 1.87%
Engineering (miscellaneous), 291, 1.84%
Engineering (miscellaneous)
291 publications, 1.84%
Mechanics of Materials, 289, 1.83%
Mechanics of Materials
289 publications, 1.83%
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1200
1400
1600
1800
2000

Journals

100
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700
Journal of High Energy Physics
627 publications, 3.97%
Biotechnology and Biotechnological Equipment
349 publications, 2.21%
European Physical Journal C
315 publications, 2%
Journal of Physics: Conference Series
297 publications, 1.88%
Lecture Notes in Computer Science
206 publications, 1.31%
Colloids and Surfaces A: Physicochemical and Engineering Aspects
174 publications, 1.1%
Physical Review D
168 publications, 1.06%
Proceedings of SPIE - The International Society for Optical Engineering
166 publications, 1.05%
Physical Review A
163 publications, 1.03%
Physica Status Solidi (B): Basic Research
149 publications, 0.94%
Physical Review B
147 publications, 0.93%
Journal of Molecular Structure
129 publications, 0.82%
Journal of Colloid and Interface Science
129 publications, 0.82%
Molecules
111 publications, 0.7%
Physical Review C
107 publications, 0.68%
phys stat sol (a)
107 publications, 0.68%
AIP Conference Proceedings
105 publications, 0.67%
Optics Communications
98 publications, 0.62%
Crystal Research and Technology
96 publications, 0.61%
Physical Review Letters
91 publications, 0.58%
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
78 publications, 0.49%
Colloid and Polymer Science
75 publications, 0.48%
Journal of Applied Physics
74 publications, 0.47%
International Journal of Molecular Sciences
73 publications, 0.46%
Langmuir
73 publications, 0.46%
Journal of Instrumentation
73 publications, 0.46%
Physics Letters, Section A: General, Atomic and Solid State Physics
65 publications, 0.41%
Journal of Physics Condensed Matter
65 publications, 0.41%
Dyes and Pigments
65 publications, 0.41%
Journal of Alloys and Compounds
64 publications, 0.41%
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700

Publishers

500
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3500
4000
Elsevier
3827 publications, 24.25%
Springer Nature
3603 publications, 22.83%
Wiley
1115 publications, 7.07%
MDPI
1001 publications, 6.34%
Taylor & Francis
949 publications, 6.01%
IOP Publishing
855 publications, 5.42%
American Physical Society (APS)
712 publications, 4.51%
AIP Publishing
329 publications, 2.08%
American Chemical Society (ACS)
307 publications, 1.95%
Walter de Gruyter
303 publications, 1.92%
Oxford University Press
210 publications, 1.33%
SPIE-Intl Soc Optical Eng
168 publications, 1.06%
Royal Society of Chemistry (RSC)
151 publications, 0.96%
EDP Sciences
148 publications, 0.94%
Cambridge University Press
142 publications, 0.9%
Optica Publishing Group
138 publications, 0.87%
Pensoft Publishers
133 publications, 0.84%
SAGE
119 publications, 0.75%
Pleiades Publishing
114 publications, 0.72%
World Scientific
102 publications, 0.65%
Institute of Electrical and Electronics Engineers (IEEE)
90 publications, 0.57%
Hindawi Limited
60 publications, 0.38%
Social Science Electronic Publishing
56 publications, 0.35%
Frontiers Media S.A.
48 publications, 0.3%
BMJ
36 publications, 0.23%
Baishideng Publishing Group
34 publications, 0.22%
American Mathematical Society
33 publications, 0.21%
IGI Global
33 publications, 0.21%
Copernicus
32 publications, 0.2%
IOS Press
31 publications, 0.2%
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3500
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With other organizations

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1200
National Institute for Nuclear Physics
1134 publications, 7.19%
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences
1062 publications, 6.73%
European Organization for Nuclear Research
1040 publications, 6.59%
National Laboratory of Frascati
1006 publications, 6.37%
National and Kapodistrian University of Athens
987 publications, 6.25%
University of Pavia
970 publications, 6.15%
Institut National de Physique Nucléaire et de Physique des Particules
948 publications, 6.01%
University of Belgrade
944 publications, 5.98%
Hamburg University
938 publications, 5.94%
Ohio State University
926 publications, 5.87%
Sapienza University of Rome
913 publications, 5.79%
University of Bologna
898 publications, 5.69%
Charles University
895 publications, 5.67%
Universidad Autónoma de Madrid
875 publications, 5.54%
University of Naples Federico II
874 publications, 5.54%
University of Warsaw
866 publications, 5.49%
Sungkyunkwan University
861 publications, 5.46%
Benemérita Universidad Autónoma de Puebla
861 publications, 5.46%
University of Strasbourg
852 publications, 5.4%
Panjab University
849 publications, 5.38%
Boğaziçi University
846 publications, 5.36%
University of Colorado Boulder
846 publications, 5.36%
Deutsches Elektronen-Synchrotron
845 publications, 5.35%
Peking University
844 publications, 5.35%
University of Pisa
843 publications, 5.34%
Boston University
841 publications, 5.33%
University of Tennessee
841 publications, 5.33%
University of Iowa
837 publications, 5.3%
University of Eastern Piedmont Amadeo Avogadro
834 publications, 5.28%
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
833 publications, 5.28%
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600
800
1000
1200

With foreign organizations

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400
600
800
1000
1200
National Institute for Nuclear Physics
1134 publications, 7.19%
European Organization for Nuclear Research
1040 publications, 6.59%
National Laboratory of Frascati
1006 publications, 6.37%
National and Kapodistrian University of Athens
987 publications, 6.25%
University of Pavia
970 publications, 6.15%
Institut National de Physique Nucléaire et de Physique des Particules
948 publications, 6.01%
University of Belgrade
944 publications, 5.98%
Hamburg University
938 publications, 5.94%
Ohio State University
926 publications, 5.87%
Sapienza University of Rome
913 publications, 5.79%
University of Bologna
898 publications, 5.69%
Charles University
895 publications, 5.67%
Universidad Autónoma de Madrid
875 publications, 5.54%
University of Naples Federico II
874 publications, 5.54%
University of Warsaw
866 publications, 5.49%
Sungkyunkwan University
861 publications, 5.46%
Benemérita Universidad Autónoma de Puebla
861 publications, 5.46%
University of Strasbourg
852 publications, 5.4%
Panjab University
849 publications, 5.38%
Boğaziçi University
846 publications, 5.36%
University of Colorado Boulder
846 publications, 5.36%
Deutsches Elektronen-Synchrotron
845 publications, 5.35%
Peking University
844 publications, 5.35%
University of Pisa
843 publications, 5.34%
Boston University
841 publications, 5.33%
University of Tennessee
841 publications, 5.33%
University of Iowa
837 publications, 5.3%
University of Eastern Piedmont Amadeo Avogadro
834 publications, 5.28%
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional
833 publications, 5.28%
Polytechnic University of Bari
832 publications, 5.27%
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1000
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With other countries

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Germany, 2802, 17.76%
Germany
2802 publications, 17.76%
USA, 2102, 13.32%
USA
2102 publications, 13.32%
France, 1679, 10.64%
France
1679 publications, 10.64%
United Kingdom, 1628, 10.32%
United Kingdom
1628 publications, 10.32%
Italy, 1543, 9.78%
Italy
1543 publications, 9.78%
Spain, 1396, 8.85%
Spain
1396 publications, 8.85%
Poland, 1395, 8.84%
Poland
1395 publications, 8.84%
Switzerland, 1286, 8.15%
Switzerland
1286 publications, 8.15%
Russia, 1234, 7.82%
Russia
1234 publications, 7.82%
China, 1150, 7.29%
China
1150 publications, 7.29%
Greece, 1145, 7.26%
Greece
1145 publications, 7.26%
Austria, 1112, 7.05%
Austria
1112 publications, 7.05%
Belgium, 1109, 7.03%
Belgium
1109 publications, 7.03%
Czech Republic, 1063, 6.74%
Czech Republic
1063 publications, 6.74%
Turkey, 1055, 6.69%
Turkey
1055 publications, 6.69%
Hungary, 1038, 6.58%
Hungary
1038 publications, 6.58%
Brazil, 1015, 6.43%
Brazil
1015 publications, 6.43%
India, 995, 6.31%
India
995 publications, 6.31%
Croatia, 920, 5.83%
Croatia
920 publications, 5.83%
Mexico, 918, 5.82%
Mexico
918 publications, 5.82%
Republic of Korea, 903, 5.72%
Republic of Korea
903 publications, 5.72%
Finland, 892, 5.65%
Finland
892 publications, 5.65%
Ukraine, 890, 5.64%
Ukraine
890 publications, 5.64%
Portugal, 887, 5.62%
Portugal
887 publications, 5.62%
Serbia, 887, 5.62%
Serbia
887 publications, 5.62%
Pakistan, 859, 5.44%
Pakistan
859 publications, 5.44%
Georgia, 827, 5.24%
Georgia
827 publications, 5.24%
Colombia, 807, 5.11%
Colombia
807 publications, 5.11%
Egypt, 802, 5.08%
Egypt
802 publications, 5.08%
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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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