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University, Subject, Country, Region, World
University of the Free State 635 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 04, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (0) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
19,028
World Rank
63
Country Rank
1
University
Ranking Based On Selection:
1
Others
Economic Geology | Mineral Prospectivity Mapping | Exploration Geochemistry | Geological Remote Sensin
Economic Geology | Mineral Prospectivity Mapping | Exploration Geochemistry | Geological Remote Sensin
H-Index Metrics
-
H-Index86
-
i10 Index245
-
Citation Counts24,491
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* Total H Index Rankings
Rankings
25,397
World Rank
79
Country Rank
2
University
Ranking Based On Selection:
2
Natural Sciences / Physics
nanophosphors | luminescence | cathodoluminescence | surface characterizatio
nanophosphors | luminescence | cathodoluminescence | surface characterizatio
H-Index Metrics
-
H-Index78
-
i10 Index687
-
Citation Counts31,369
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* Total H Index Rankings
Rankings
46,393
World Rank
148
Country Rank
3
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
56,255
World Rank
181
Country Rank
4
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
69,128
World Rank
238
Country Rank
5
University
Ranking Based On Selection:
5
Social Sciences / Higher Education Studies
higher education and development | social justice | development ethics | capability approac
higher education and development | social justice | development ethics | capability approac
H-Index Metrics
-
H-Index56
-
i10 Index129
-
Citation Counts11,691
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* Total H Index Rankings
Rankings
75,936
World Rank
266
Country Rank
6
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
78,485
World Rank
281
Country Rank
7
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
97,570
World Rank
369
Country Rank
8
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
98,067
World Rank
377
Country Rank
9
University
Ranking Based On Selection:
9
Engineering & Technology / Energy Engineering
Perovskite solar cell | Organic solar cell | DSSC | Gas Sensors | Materials for Energ
Perovskite solar cell | Organic solar cell | DSSC | Gas Sensors | Materials for Energ
H-Index Metrics
-
H-Index49
-
i10 Index117
-
Citation Counts7,954
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* Total H Index Rankings
Rankings
104,824
World Rank
413
Country Rank
10
University
Ranking Based On Selection:
10
Natural Sciences / Biological Science
Stable isotope ecology | Wildlife ecology | Evolutionary ecology | Palaeoecolog
Stable isotope ecology | Wildlife ecology | Evolutionary ecology | Palaeoecolog
H-Index Metrics
-
H-Index48
-
i10 Index111
-
Citation Counts6,869
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* Total H Index Rankings
Rankings
122,063
World Rank
493
Country Rank
11
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
125,289
World Rank
510
Country Rank
12
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
136,060
World Rank
566
Country Rank
13
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
148,818
World Rank
630
Country Rank
14
University
Ranking Based On Selection:
14
Economics & Econometrics / Accounting & Finance
Water resources management | Water accounting | Water Footprint | Food | Irrigatio
Water resources management | Water accounting | Water Footprint | Food | Irrigatio
H-Index Metrics
-
H-Index41
-
i10 Index70
-
Citation Counts23,798
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* Total H Index Rankings
Rankings
149,427
World Rank
637
Country Rank
15
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
153,802
World Rank
655
Country Rank
16
University
Ranking Based On Selection:
16
Natural Sciences / Chemical Sciences
coordination chemistry | reaction mechanisms | crystallography | catalysis | radiopharmacy model
coordination chemistry | reaction mechanisms | crystallography | catalysis | radiopharmacy model
H-Index Metrics
-
H-Index41
-
i10 Index146
-
Citation Counts5,309
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* Total H Index Rankings
Rankings
156,970
World Rank
673
Country Rank
17
University
Ranking Based On Selection:
17
Medical and Health Sciences / Epidemiology and Public Health
housing | small towns | mining towns | public health | childre
housing | small towns | mining towns | public health | childre
H-Index Metrics
-
H-Index40
-
i10 Index128
-
Citation Counts4,833
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* Total H Index Rankings
Rankings
157,493
World Rank
676
Country Rank
18
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
162,478
World Rank
702
Country Rank
19
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
181,499
World Rank
796
Country Rank
20
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
184,242
World Rank
800
Country Rank
21
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
213,350
World Rank
971
Country Rank
22
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
217,313
World Rank
999
Country Rank
23
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
218,680
World Rank
1,006
Country Rank
24
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
233,370
World Rank
1,092
Country Rank
25
University
Ranking Based On Selection:
25
Medical and Health Sciences / Pharmacy & Pharmaceutical Sciences
Phytomedicine | Phytopharmacology | Bioactivit
Phytomedicine | Phytopharmacology | Bioactivit
H-Index Metrics
-
H-Index33
-
i10 Index90
-
Citation Counts3,536
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Premium Data
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