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World Scientist and University Rankings 2026
World Engineering & Technology 33.411 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 06, 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
263
World Rank
107
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science | Nanotechnology | Chemistry | Physic
Materials Science | Nanotechnology | Chemistry | Physic
H-Index Metrics
-
H-Index239
-
i10 Index1,201
-
Citation Counts245,068
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* Total H Index Rankings
Rankings
278
World Rank
5
Country Rank
2
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
452
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
611
World Rank
202
Country Rank
2
University
Ranking Based On Selection:
4
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science and Engineering | Nanoscience and Nanotechnology | Energy and Environmental Scienc
Materials Science and Engineering | Nanoscience and Nanotechnology | Energy and Environmental Scienc
H-Index Metrics
-
H-Index211
-
i10 Index437
-
Citation Counts126,436
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* Total H Index Rankings
Rankings
626
World Rank
12
Country Rank
1
University
Ranking Based On Selection:
5
Engineering & Technology / Metallurgical & Materials Engineering
Carbon Nanotubes | Graphene | Energy storage materials | Photocatalytic Semiconductor
Carbon Nanotubes | Graphene | Energy storage materials | Photocatalytic Semiconductor
H-Index Metrics
-
H-Index209
-
i10 Index979
-
Citation Counts322,872
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* Total H Index Rankings
Rankings
756
World Rank
15
Country Rank
3
University
Ranking Based On Selection:
6
Engineering & Technology / Metallurgical & Materials Engineering
Lithium-Sulfur Batteries | Lithium Metal Anode | SEI | Electrolyte | Electrocatalysi
Lithium-Sulfur Batteries | Lithium Metal Anode | SEI | Electrolyte | Electrocatalysi
H-Index Metrics
-
H-Index199
-
i10 Index629
-
Citation Counts138,128
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* Total H Index Rankings
Rankings
819
World Rank
14
Country Rank
1
University
Ranking Based On Selection:
7
Engineering & Technology / Metallurgical & Materials Engineering
Energy materials | superconductivity | electronic material
Energy materials | superconductivity | electronic material
H-Index Metrics
-
H-Index194
-
i10 Index1,563
-
Citation Counts146,859
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* Total H Index Rankings
Rankings
834
World Rank
15
Country Rank
1
University
Ranking Based On Selection:
8
Engineering & Technology / Metallurgical & Materials Engineering
Advanced Carbon Materials | Polymers | Electrochemistry | Catalysi
Advanced Carbon Materials | Polymers | Electrochemistry | Catalysi
H-Index Metrics
-
H-Index193
-
i10 Index898
-
Citation Counts152,212
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* Total H Index Rankings
Rankings
874
World Rank
327
Country Rank
9
University
Ranking Based On Selection:
9
Engineering & Technology / Metallurgical & Materials Engineering
Materials design | computational modeling | energy storage | thermoelectrics | sola
Materials design | computational modeling | energy storage | thermoelectrics | sola
H-Index Metrics
-
H-Index190
-
i10 Index592
-
Citation Counts156,809
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* Total H Index Rankings
Rankings
892
World Rank
21
Country Rank
1
University
Ranking Based On Selection:
10
Engineering & Technology / Metallurgical & Materials Engineering
Sustainable Materials | Computational Materials Science | Metal Physics | Physical Metallurg
Sustainable Materials | Computational Materials Science | Metal Physics | Physical Metallurg
H-Index Metrics
-
H-Index191
-
i10 Index923
-
Citation Counts133,014
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* Total H Index Rankings
Rankings
1,034
World Rank
387
Country Rank
2
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
1,038
World Rank
23
Country Rank
1
University
Ranking Based On Selection:
12
Engineering & Technology / Metallurgical & Materials Engineering
Optics | Laser | Biophotonics | Two-dimensional materials | Black phosphoru
Optics | Laser | Biophotonics | Two-dimensional materials | Black phosphoru
H-Index Metrics
-
H-Index181
-
i10 Index695
-
Citation Counts109,209
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* Total H Index Rankings
Rankings
1,137
World Rank
25
Country Rank
2
University
Ranking Based On Selection:
13
Engineering & Technology / Metallurgical & Materials Engineering
materials science | 1D/2D nanomaterials | TE
materials science | 1D/2D nanomaterials | TE
H-Index Metrics
-
H-Index177
-
i10 Index914
-
Citation Counts109,742
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* Total H Index Rankings
Rankings
1,164
World Rank
17
Country Rank
1
University
Ranking Based On Selection:
14
Engineering & Technology / Metallurgical & Materials Engineering
Lithium ion batteries | All Solid State Battery | Na ion and Potassium ion batteries | Cathode for batteries | Li sulfur and Li oxy
Lithium ion batteries | All Solid State Battery | Na ion and Potassium ion batteries | Cathode for batteries | Li sulfur and Li oxy
H-Index Metrics
-
H-Index175
-
i10 Index745
-
Citation Counts117,635
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* Total H Index Rankings
Rankings
1,254
World Rank
490
Country Rank
3
University
Ranking Based On Selection:
15
Engineering & Technology / Metallurgical & Materials Engineering
Chemistry | Polymer Science | Materials | Polymers | Polymer Chemistr
Chemistry | Polymer Science | Materials | Polymers | Polymer Chemistr
H-Index Metrics
-
H-Index172
-
i10 Index680
-
Citation Counts111,218
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* Total H Index Rankings
Rankings
1,261
World Rank
31
Country Rank
1
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
1,291
World Rank
34
Country Rank
1
University
Ranking Based On Selection:
17
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science | Electrochemistry | Batteries | Energy Storage | Nanotechnolog
Materials Science | Electrochemistry | Batteries | Energy Storage | Nanotechnolog
H-Index Metrics
-
H-Index170
-
i10 Index675
-
Citation Counts97,647
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* Total H Index Rankings
Rankings
1,410
World Rank
562
Country Rank
3
University
Ranking Based On Selection:
18
Engineering & Technology / Metallurgical & Materials Engineering
Electrochemistry | rechargeable batteries | material
Electrochemistry | rechargeable batteries | material
H-Index Metrics
-
H-Index166
-
i10 Index376
-
Citation Counts95,993
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* Total H Index Rankings
Rankings
1,452
World Rank
584
Country Rank
4
University
Ranking Based On Selection:
19
Engineering & Technology / Metallurgical & Materials Engineering
Batteries | Fuel Cells | Solid State Ionics | Energy Materials | Solid Oxide Fuel Cell
Batteries | Fuel Cells | Solid State Ionics | Energy Materials | Solid Oxide Fuel Cell
H-Index Metrics
-
H-Index165
-
i10 Index661
-
Citation Counts92,858
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* Total H Index Rankings
Rankings
1,453
World Rank
585
Country Rank
2
University
Ranking Based On Selection:
20
Engineering & Technology / Metallurgical & Materials Engineering
Mesoporous Materials | Ionic Liquid
Mesoporous Materials | Ionic Liquid
H-Index Metrics
-
H-Index165
-
i10 Index991
-
Citation Counts112,897
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* Total H Index Rankings
Rankings
1,488
World Rank
600
Country Rank
5
University
Ranking Based On Selection:
21
Engineering & Technology / Metallurgical & Materials Engineering
High performance thermoelectric materials and devices | Ultrahigh thermal conductivity in boron arsenide | Hydrogen generation t
High performance thermoelectric materials and devices | Ultrahigh thermal conductivity in boron arsenide | Hydrogen generation t
H-Index Metrics
-
H-Index164
-
i10 Index642
-
Citation Counts125,227
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* Total H Index Rankings
Rankings
1,496
World Rank
42
Country Rank
3
University
Ranking Based On Selection:
22
Engineering & Technology / Metallurgical & Materials Engineering
clean energy materials | the materials science and engineering | and electrochemistry and application
clean energy materials | the materials science and engineering | and electrochemistry and application
H-Index Metrics
-
H-Index164
-
i10 Index964
-
Citation Counts102,210
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* Total H Index Rankings
Rankings
1,499
World Rank
17
Country Rank
2
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
1,511
World Rank
117
Country Rank
1
University
Ranking Based On Selection:
24
Engineering & Technology / Metallurgical & Materials Engineering
Materials chemistry | chemical engineering | photocatalysis | carbon nanomaterials | nanoporou
Materials chemistry | chemical engineering | photocatalysis | carbon nanomaterials | nanoporou
H-Index Metrics
-
H-Index164
-
i10 Index558
-
Citation Counts110,559
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* Total H Index Rankings
Rankings
1,515
World Rank
609
Country Rank
7
University
Ranking Based On Selection:
25
Engineering & Technology / Metallurgical & Materials Engineering
Material Science | Energy Storage，Li batter
Material Science | Energy Storage，Li batter
H-Index Metrics
-
H-Index165
-
i10 Index622
-
Citation Counts102,085
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Premium Data
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