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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2025 Rank: 85,590

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 1,026 out of 115,551 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score85,59092,582
Total Cites496528
H-index99
Hm-index45
Number of Single Authored Papers44
Total Cites to Single Authored Papers3030
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers4848
Number of Single+First+Last Authored Papers152152
Total Cites to Single+First+Last Authored Papers387395
Composite Score22
Number of Distinct Citing Papers410426
Ratio of Total Citations to Distinct Citing Papers 1.21 1.24
Self-Citation Percentage
6.06%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2024 Rank: 59,436

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 795 out of 106,831 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score59,43666,880
Total Cites613651
H-index99
Hm-index56
Number of Single Authored Papers44
Total Cites to Single Authored Papers2828
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers5656
Number of Single+First+Last Authored Papers152152
Total Cites to Single+First+Last Authored Papers502524
Composite Score22
Number of Distinct Citing Papers458476
Ratio of Total Citations to Distinct Citing Papers 1.34 1.37
Self-Citation Percentage
5.84%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2023 Rank: 36,378

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 525 out of 100,804 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score36,37839,757
Total Cites777850
H-index1010
Hm-index66
Number of Single Authored Papers44
Total Cites to Single Authored Papers4444
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers7583
Number of Single+First+Last Authored Papers152152
Total Cites to Single+First+Last Authored Papers615652
Composite Score33
Number of Distinct Citing Papers530551
Ratio of Total Citations to Distinct Citing Papers 1.47 1.54
Self-Citation Percentage
8.59%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2022 Rank: 37,884

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 587 out of 95,895 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score37,88437,086
Total Cites750831
H-index1112
Hm-index67
Number of Single Authored Papers44
Total Cites to Single Authored Papers3739
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers5254
Number of Single+First+Last Authored Papers149149
Total Cites to Single+First+Last Authored Papers581623
Composite Score33
Number of Distinct Citing Papers511533
Ratio of Total Citations to Distinct Citing Papers 1.47 1.56
Self-Citation Percentage
9.75%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2021 Rank: 33,127

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 566 out of 92,738 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score33,12733,429
Total Cites1,2051,319
H-index1314
Hm-index89
Number of Single Authored Papers44
Total Cites to Single Authored Papers5658
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers9294
Number of Single+First+Last Authored Papers151151
Total Cites to Single+First+Last Authored Papers9631,036
Composite Score33
Number of Distinct Citing Papers835867
Ratio of Total Citations to Distinct Citing Papers 1.44 1.52
Self-Citation Percentage
8.64%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2020 Rank: 26,636

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 501 out of 73,903 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score26,63625,023
Total Cites1,0661,232
H-index1114
Hm-index77
Number of Single Authored Papers55
Total Cites to Single Authored Papers5355
Number of Single+First Authored Papers2121
Total Cites to Single+First Authored Papers8992
Number of Single+First+Last Authored Papers150150
Total Cites to Single+First+Last Authored Papers852960
Composite Score33
Number of Distinct Citing Papers718762
Ratio of Total Citations to Distinct Citing Papers 1.48 1.62
Self-Citation Percentage
13.47%
Found an error in your data? Contact us with your profile link. Contact Us →
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