Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (870,053 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 3
U-Ser Jeng
small-wide angle scattering
biomacromolecles
polymers
peptides
lipids and startch
Metrics
H-Index
i10 Index
Citation
54
188
10,258
* Rankings
Ranking Based On Selection: 4
Ashish Chainani
Solid-State Physics
Solid-State Chemistry
Materials Science
Metrics
H-Index
i10 Index
Citation
54
141
9,522
* Rankings
Ranking Based On Selection: 5
Chun-Yu Chen
small-angle scattering
polymer science
coherent X-ray diffraction
Metrics
H-Index
i10 Index
Citation
52
181
17,739
* Rankings
Ranking Based On Selection: 6
Ying Rui Lu
Synchrotron x-ray spectroscopy
Nanostructured materials
Energy-related materials
Metrics
H-Index
i10 Index
Citation
49
115
10,024
* Rankings
Ranking Based On Selection: 7
Hsin-Yi Lee
X-ray scattering
thin film growth
Metrics
H-Index
i10 Index
Citation
44
139
7,722
* Rankings
Ranking Based On Selection: 8
Bing-Ming Cheng
chemistry
VUV photochemistry
VUV electro-optics
astrochemistry
synchrotron
Metrics
H-Index
i10 Index
Citation
44
122
5,735
* Rankings
Ranking Based On Selection: 9
Yan-Gu Lin
Synchrotron Radiation
Electrocatalysis
Photocatalysis
Green Hydrogen
Operando
Metrics
H-Index
i10 Index
Citation
43
103
7,024

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* Rankings
Ranking Based On Selection: 12
Jun Okamoto
solid state physics
material science
synchrotron radiation research
Metrics
H-Index
i10 Index
Citation
35
84
3,961
* Rankings
Ranking Based On Selection: 16
Chun-Jung Chen
蛋白質結晶學
結構生物學
生物物理化學
Metrics
H-Index
i10 Index
Citation
29
57
2,699
* Rankings
Ranking Based On Selection: 17
Tsai Huang-Ming
X-ray absorption spectroscopy
Soft X-ray spectroscopy
Beamline construction
Metrics
H-Index
i10 Index
Citation
27
59
2,109
* Rankings
Ranking Based On Selection: 18
Chao-Lung Chiang
Carbon footprint verification
CCUS
Energy conservation
Photoelectrochemistry
Metrics
H-Index
i10 Index
Citation
26
46
3,111
* Rankings
Ranking Based On Selection: 19
Hw Shiu
X-ray Microscopy
Surface Science
Material Physics
Metrics
H-Index
i10 Index
Citation
23
40
2,469
* Rankings
Ranking Based On Selection: 20
Yu-Jong Wu
Molecular Spectroscopy
Astrochemistry
Metrics
H-Index
i10 Index
Citation
23
37
1,348
* Rankings
Ranking Based On Selection: 22
Yao-Chang Lee
Molecular spectroscopy
Theorectical molecular orbital calculation
FTIR microspectroscopy
Raman spectroscopy
Metrics
H-Index
i10 Index
Citation
22
32
1,710
* Rankings
Ranking Based On Selection: 27
Ro-Ya Liu (劉若亞)
TMDC
Dirac Semimetals
ARPES
TRARPES
NanoARPES
Metrics
H-Index
i10 Index
Citation
17
21
1,439
* Rankings
Ranking Based On Selection: 28
Jen-Iu Lo
Photoabsorption
Photoionization
photolysis
photoluminescence
photochemistry
Metrics
H-Index
i10 Index
Citation
16
24
744
* Rankings
Ranking Based On Selection: 34
Amol Singh
Condensed Matter Physics
X-ray Spectroscopy
Material Science
Metrics
H-Index
i10 Index
Citation
13
16
520
* Rankings
Ranking Based On Selection: 35
Chih-Wei Hu
synchrotron and neutron technology
lithium ion battery
Metrics
H-Index
i10 Index
Citation
13
16
596
* Rankings
Ranking Based On Selection: 39
Hsiao-Yu Huang
High Tc Superconductor
X-ray Scattering
RIXS
Metrics
H-Index
i10 Index
Citation
10
10
867
* Rankings
Ranking Based On Selection: 44
Hsin-Pai Hsueh
beam diagnostics
microwave
plasmas
FEL
THz
Metrics
H-Index
i10 Index
Citation
8
6
199
* Rankings
Ranking Based On Selection: 45
Chang-Ting Yang
Semiconductors and devices
Nanostructures
Electronic ceramics
Thin film solar cells
Organic-inorganic composite
Metrics
H-Index
i10 Index
Citation
5
3
99
Rankings
Ranking Based On Selection: 1
Hong-Ji Lin
Metrics
H-Index
i10 Index
Citation Counts
76
316
26,923
Rankings
Ranking Based On Selection: 2
Hwo-Shuenn Sheu
Metrics
H-Index
i10 Index
Citation Counts
63
236
13,596
Rankings
Ranking Based On Selection: 3
U-Ser Jeng
Metrics
H-Index
i10 Index
Citation Counts
54
188
10,258
small-wide angle scattering
biomacromolecles
polymers
peptides
lipids and startch
Rankings
Ranking Based On Selection: 4
Ashish Chainani
Metrics
H-Index
i10 Index
Citation Counts
54
141
9,522
Solid-State Physics
Solid-State Chemistry
Materials Science
Rankings
Ranking Based On Selection: 5
Chun-Yu Chen
Metrics
H-Index
i10 Index
Citation Counts
52
181
17,739
small-angle scattering
polymer science
coherent X-ray diffraction
Rankings
Ranking Based On Selection: 6
Ying Rui Lu
Metrics
H-Index
i10 Index
Citation Counts
49
115
10,024
Synchrotron x-ray spectroscopy
Nanostructured materials
Energy-related materials
Rankings
Ranking Based On Selection: 7
Hsin-Yi Lee
Metrics
H-Index
i10 Index
Citation Counts
44
139
7,722
X-ray scattering
thin film growth
Rankings
Ranking Based On Selection: 8
Bing-Ming Cheng
Metrics
H-Index
i10 Index
Citation Counts
44
122
5,735
chemistry
VUV photochemistry
VUV electro-optics
astrochemistry
synchrotron
Rankings
Ranking Based On Selection: 9
Yan-Gu Lin
Metrics
H-Index
i10 Index
Citation Counts
43
103
7,024
Synchrotron Radiation
Electrocatalysis
Photocatalysis
Green Hydrogen
Operando
Rankings
Ranking Based On Selection: 10
Jeng-Lung Chen
Metrics
H-Index
i10 Index
Citation Counts
38
101
4,944

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Wei-Tsung Chuang
Metrics
H-Index
i10 Index
Citation Counts
36
89
4,079
Rankings
Ranking Based On Selection: 12
Jun Okamoto
Metrics
H-Index
i10 Index
Citation Counts
35
84
3,961
solid state physics
material science
synchrotron radiation research
Rankings
Ranking Based On Selection: 13
Chi-Liang Chen
Metrics
H-Index
i10 Index
Citation Counts
34
109
4,643
Rankings
Ranking Based On Selection: 14
Tai-Sing Wu|T.-S. Wu
Metrics
H-Index
i10 Index
Citation Counts
31
53
3,861
Experimental condensed matter physics
Rankings
Ranking Based On Selection: 15
Yu-Chun Chuang
Metrics
H-Index
i10 Index
Citation Counts
29
58
3,784
Rankings
Ranking Based On Selection: 16
Chun-Jung Chen
Metrics
H-Index
i10 Index
Citation Counts
29
57
2,699
蛋白質結晶學
結構生物學
生物物理化學
Rankings
Ranking Based On Selection: 17
Tsai Huang-Ming
Metrics
H-Index
i10 Index
Citation Counts
27
59
2,109
X-ray absorption spectroscopy
Soft X-ray spectroscopy
Beamline construction
Rankings
Ranking Based On Selection: 18
Chao-Lung Chiang
Metrics
H-Index
i10 Index
Citation Counts
26
46
3,111
Carbon footprint verification
CCUS
Energy conservation
Photoelectrochemistry
Rankings
Ranking Based On Selection: 19
Hw Shiu
Metrics
H-Index
i10 Index
Citation Counts
23
40
2,469
X-ray Microscopy
Surface Science
Material Physics
Rankings
Ranking Based On Selection: 20
Yu-Jong Wu
Metrics
H-Index
i10 Index
Citation Counts
23
37
1,348
Molecular Spectroscopy
Astrochemistry
Rankings
Ranking Based On Selection: 21
Chung-Kai Chang
Metrics
H-Index
i10 Index
Citation Counts
22
43
1,553
Rankings
Ranking Based On Selection: 22
Yao-Chang Lee
Metrics
H-Index
i10 Index
Citation Counts
22
32
1,710
Molecular spectroscopy
Theorectical molecular orbital calculation
FTIR microspectroscopy
Raman spectroscopy
Rankings
Ranking Based On Selection: 23
Der-Hsin Wei
Metrics
H-Index
i10 Index
Citation Counts
22
49
1,614
Rankings
Ranking Based On Selection: 24
Chih-Chung Lai (賴志忠)
Metrics
H-Index
i10 Index
Citation Counts
20
21
1,219
Nano-structured materials
Energy storage
Renewable energy application
Rankings
Ranking Based On Selection: 25
Shih-Chang Weng
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,231
Rankings
Ranking Based On Selection: 26
Sun-Tang Chang (張孫堂)
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,247
Rankings
Ranking Based On Selection: 27
Ro-Ya Liu (劉若亞)
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,439
TMDC
Dirac Semimetals
ARPES
TRARPES
NanoARPES
Rankings
Ranking Based On Selection: 28
Jen-Iu Lo
Metrics
H-Index
i10 Index
Citation Counts
16
24
744
Photoabsorption
Photoionization
photolysis
photoluminescence
photochemistry
Rankings
Ranking Based On Selection: 29
Sheng-Lung Chou
Metrics
H-Index
i10 Index
Citation Counts
15
22
646
Rankings
Ranking Based On Selection: 30
Shang-Hsien Hsieh
Metrics
H-Index
i10 Index
Citation Counts
14
19
904
Nano materials
2D materials
Synchrotron Radiation
XAS/XPS
Material Science
Rankings
Ranking Based On Selection: 31
Yu-Cheng Shao
Metrics
H-Index
i10 Index
Citation Counts
14
23
951
Condensed matter physics
applied materials
Rankings
Ranking Based On Selection: 32
JY Chen
Metrics
H-Index
i10 Index
Citation Counts
14
18
764
accelerator physics
particle physics
Rankings
Ranking Based On Selection: 33
Peng Yu Chain
Metrics
H-Index
i10 Index
Citation Counts
14
17
585
Rankings
Ranking Based On Selection: 34
Amol Singh
Metrics
H-Index
i10 Index
Citation Counts
13
16
520
Condensed Matter Physics
X-ray Spectroscopy
Material Science
Rankings
Ranking Based On Selection: 35
Chih-Wei Hu
Metrics
H-Index
i10 Index
Citation Counts
13
16
596
synchrotron and neutron technology
lithium ion battery
Rankings
Ranking Based On Selection: 36
Gung-Chian Yin
Metrics
H-Index
i10 Index
Citation Counts
13
16
901
Rankings
Ranking Based On Selection: 37
Bo-Hong Liu
Metrics
H-Index
i10 Index
Citation Counts
12
13
546
Rankings
Ranking Based On Selection: 38
Wei Chieh Chung
Metrics
H-Index
i10 Index
Citation Counts
10
10
810
Catalysis
photocatalysis
CO2 chemistry
green energy
Rankings
Ranking Based On Selection: 39
Hsiao-Yu Huang
Metrics
H-Index
i10 Index
Citation Counts
10
10
867
High Tc Superconductor
X-ray Scattering
RIXS
Rankings
Ranking Based On Selection: 40
Su-Yang Hsu
Metrics
H-Index
i10 Index
Citation Counts
9
8
402
Electrochemical
catalyst
Energy storage
Rankings
Ranking Based On Selection: 41
Wei Yuan Chiang (姜惟元)
Metrics
H-Index
i10 Index
Citation Counts
9
8
262
Microwave Physics
Microwave Engineering
Electromagnetism
Microwave Source
Plasma
Rankings
Ranking Based On Selection: 42
Po-Wei Yang
Metrics
H-Index
i10 Index
Citation Counts
9
9
218
Rankings
Ranking Based On Selection: 43
Yen Ting Liu
Metrics
H-Index
i10 Index
Citation Counts
8
7
199
Rankings
Ranking Based On Selection: 44
Hsin-Pai Hsueh
Metrics
H-Index
i10 Index
Citation Counts
8
6
199
beam diagnostics
microwave
plasmas
FEL
THz
Rankings
Ranking Based On Selection: 45
Chang-Ting Yang
Metrics
H-Index
i10 Index
Citation Counts
5
3
99
Semiconductors and devices
Nanostructures
Electronic ceramics
Thin film solar cells
Organic-inorganic composite
Rankings
Ranking Based On Selection: 46
Chen-An Wang
Metrics
H-Index
i10 Index
Citation Counts
4
2
78
polymers
scattering
biomaterials
Rankings
Ranking Based On Selection: 47
Ting Chun Lin
Metrics
H-Index
i10 Index
Citation Counts
4
3
71