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Hong Kong 70 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 (1.131.911) 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
734
World Rank
3
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Nanoscience and Nanotechnology
Phase engineering of nanomaterials (PEN) and controlled epitaxial growth of heterostructure
Phase engineering of nanomaterials (PEN) and controlled epitaxial growth of heterostructure
H-Index Metrics
-
H-Index201
-
i10 Index574
-
Citation Counts165,735
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* Total H Index Rankings
Rankings
1,857
World Rank
14
Country Rank
7
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
8,376
World Rank
87
Country Rank
10
University
Ranking Based On Selection:
3
Engineering & Technology / Nanoscience and Nanotechnology
Nano Materials | Soft Condensed Matter Physics | Wave Functional Material
Nano Materials | Soft Condensed Matter Physics | Wave Functional Material
H-Index Metrics
-
H-Index107
-
i10 Index359
-
Citation Counts59,916
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* Total H Index Rankings
Rankings
9,256
World Rank
105
Country Rank
30
University
Ranking Based On Selection:
4
Engineering & Technology / Nanoscience and Nanotechnology
nanoporous material | Supercapacitor | catalyti
nanoporous material | Supercapacitor | catalyti
H-Index Metrics
-
H-Index104
-
i10 Index394
-
Citation Counts45,592
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* Total H Index Rankings
Rankings
13,806
World Rank
165
Country Rank
26
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
15,742
World Rank
182
Country Rank
24
University
Ranking Based On Selection:
6
Engineering & Technology / Nanoscience and Nanotechnology
Nano Materials | 2D Materials | TMDC | electronic transpor
Nano Materials | 2D Materials | TMDC | electronic transpor
H-Index Metrics
-
H-Index90
-
i10 Index294
-
Citation Counts29,523
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* Total H Index Rankings
Rankings
18,343
World Rank
206
Country Rank
43
University
Ranking Based On Selection:
7
Engineering & Technology / Nanoscience and Nanotechnology
Nano-Chemistry | Energy Catalysis | Resources | Materials Synthesis | Simulation
Nano-Chemistry | Energy Catalysis | Resources | Materials Synthesis | Simulation
H-Index Metrics
-
H-Index86
-
i10 Index503
-
Citation Counts35,702
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* Total H Index Rankings
Rankings
27,391
World Rank
280
Country Rank
71
University
Ranking Based On Selection:
8
Engineering & Technology / Nanoscience and Nanotechnology
nanogenerator | triboelectric | energy harvesting | nanoelectronics | nanomateria
nanogenerator | triboelectric | energy harvesting | nanoelectronics | nanomateria
H-Index Metrics
-
H-Index76
-
i10 Index160
-
Citation Counts22,086
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* Total H Index Rankings
Rankings
38,863
World Rank
394
Country Rank
78
University
Ranking Based On Selection:
9
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterials | Metal-based Nanostructures | Crystal Phase Control | Catalysis | Clean Energ
Nanomaterials | Metal-based Nanostructures | Crystal Phase Control | Catalysis | Clean Energ
H-Index Metrics
-
H-Index68
-
i10 Index123
-
Citation Counts22,714
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* Total H Index Rankings
Rankings
40,726
World Rank
409
Country Rank
81
University
Ranking Based On Selection:
10
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology | regenerative medicine | skin | drug deliver
nanotechnology | regenerative medicine | skin | drug deliver
H-Index Metrics
-
H-Index67
-
i10 Index179
-
Citation Counts21,510
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* Total H Index Rankings
Rankings
49,327
World Rank
480
Country Rank
75
University
Ranking Based On Selection:
11
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | Smart Materials | Artificial Muscle | Flexible Sensors | Optoelectric Functional Fiber
Nanotechnology | Smart Materials | Artificial Muscle | Flexible Sensors | Optoelectric Functional Fiber
H-Index Metrics
-
H-Index63
-
i10 Index136
-
Citation Counts17,426
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* Total H Index Rankings
Rankings
52,252
World Rank
508
Country Rank
80
University
Ranking Based On Selection:
12
Engineering & Technology / Nanoscience and Nanotechnology
Nanosensors | biosensors | nanomaterials | nanobiotechnolog
Nanosensors | biosensors | nanomaterials | nanobiotechnolog
H-Index Metrics
-
H-Index62
-
i10 Index151
-
Citation Counts12,825
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* Total H Index Rankings
Rankings
56,176
World Rank
548
Country Rank
104
University
Ranking Based On Selection:
13
Engineering & Technology / Nanoscience and Nanotechnology
MOFs | MXenes | Supercapacitors | Energy Storage Devices | Electrode
MOFs | MXenes | Supercapacitors | Energy Storage Devices | Electrode
H-Index Metrics
-
H-Index60
-
i10 Index152
-
Citation Counts9,071
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* Total H Index Rankings
Rankings
75,072
World Rank
719
Country Rank
124
University
Ranking Based On Selection:
14
Engineering & Technology / Nanoscience and Nanotechnology
New structural nanomaterials | Energy storage device | Microwave absorptiopn and shieldin
New structural nanomaterials | Energy storage device | Microwave absorptiopn and shieldin
H-Index Metrics
-
H-Index54
-
i10 Index81
-
Citation Counts9,444
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* Total H Index Rankings
Rankings
76,409
World Rank
736
Country Rank
161
University
Ranking Based On Selection:
15
Engineering & Technology / Nanoscience and Nanotechnology
Clinical medicine | Biology | Surgical research | nanotechnology | pediatric
Clinical medicine | Biology | Surgical research | nanotechnology | pediatric
H-Index Metrics
-
H-Index54
-
i10 Index164
-
Citation Counts13,722
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* Total H Index Rankings
Rankings
92,309
World Rank
838
Country Rank
144
University
Ranking Based On Selection:
16
Engineering & Technology / Nanoscience and Nanotechnology
nanomaterials | electrocatalysis | CO2 conversion | energy conversio
nanomaterials | electrocatalysis | CO2 conversion | energy conversio
H-Index Metrics
-
H-Index50
-
i10 Index69
-
Citation Counts14,412
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* Total H Index Rankings
Rankings
106,761
World Rank
942
Country Rank
212
University
Ranking Based On Selection:
17
Engineering & Technology / Nanoscience and Nanotechnology
nanomaterials | metal | two-dimensional materials | phas
nanomaterials | metal | two-dimensional materials | phas
H-Index Metrics
-
H-Index47
-
i10 Index71
-
Citation Counts8,900
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* Total H Index Rankings
Rankings
146,042
World Rank
1,219
Country Rank
198
University
Ranking Based On Selection:
18
Engineering & Technology / Nanoscience and Nanotechnology
Nanowires | Transistors | Photodetectors | Telluriu
Nanowires | Transistors | Photodetectors | Telluriu
H-Index Metrics
-
H-Index41
-
i10 Index94
-
Citation Counts4,422
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* Total H Index Rankings
Rankings
146,798
World Rank
1,227
Country Rank
310
University
Ranking Based On Selection:
19
Engineering & Technology / Nanoscience and Nanotechnology
Nanomaterial and device for diagnostic and renewable energy applicatio
Nanomaterial and device for diagnostic and renewable energy applicatio
H-Index Metrics
-
H-Index41
-
i10 Index73
-
Citation Counts8,556
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* Total H Index Rankings
Rankings
151,690
World Rank
1,270
Country Rank
206
University
Ranking Based On Selection:
20
Engineering & Technology / Nanoscience and Nanotechnology
Nanorobotics | Nanomanipulation | Nanosystems | Nanoelectromechanical systems | Atomic Manufacturin
Nanorobotics | Nanomanipulation | Nanosystems | Nanoelectromechanical systems | Atomic Manufacturin
H-Index Metrics
-
H-Index41
-
i10 Index118
-
Citation Counts9,923
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* Total H Index Rankings
Rankings
155,535
World Rank
1,299
Country Rank
170
University
Ranking Based On Selection:
21
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | Luminescence | Analytical Chemistry | Nucleic Aci
Nanotechnology | Luminescence | Analytical Chemistry | Nucleic Aci
H-Index Metrics
-
H-Index40
-
i10 Index57
-
Citation Counts5,672
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* Total H Index Rankings
Rankings
172,220
World Rank
1,400
Country Rank
229
University
Ranking Based On Selection:
22
Engineering & Technology / Nanoscience and Nanotechnology
Hetero-nanostructured Materials | Martensitic Transformation | Plastic deformation | HRTE
Hetero-nanostructured Materials | Martensitic Transformation | Plastic deformation | HRTE
H-Index Metrics
-
H-Index38
-
i10 Index95
-
Citation Counts5,448
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* Total H Index Rankings
Rankings
203,420
World Rank
1,578
Country Rank
248
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
211,281
World Rank
1,627
Country Rank
256
University
Ranking Based On Selection:
24
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | MEMS | Carbon nanotube | Graphene | Nanorobotic
Nanotechnology | MEMS | Carbon nanotube | Graphene | Nanorobotic
H-Index Metrics
-
H-Index35
-
i10 Index95
-
Citation Counts3,898
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* Total H Index Rankings
Rankings
217,665
World Rank
1,684
Country Rank
267
University
Ranking Based On Selection:
25
Engineering & Technology / Nanoscience and Nanotechnology
1-D polymer nanomaterials | noble metal nanoparticle | Surface Enhancing Raman Spectroscopy | assembling of nanoparticl
1-D polymer nanomaterials | noble metal nanoparticle | Surface Enhancing Raman Spectroscopy | assembling of nanoparticl
H-Index Metrics
-
H-Index34
-
i10 Index60
-
Citation Counts3,495
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