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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2025 Rank: 31,014

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 658 out of 115,551 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score31,01427,093
Total Cites11,64514,268
H-index4958
Hm-index2831
Number of Single Authored Papers44
Total Cites to Single Authored Papers606685
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers1,1681,317
Number of Single+First+Last Authored Papers152152
Total Cites to Single+First+Last Authored Papers8,4499,797
Composite Score33
Number of Distinct Citing Papers8,2048,862
Ratio of Total Citations to Distinct Citing Papers 1.42 1.61
Self-Citation Percentage
18.38%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2024 Rank: 30,782

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 680 out of 106,831 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score30,78226,259
Total Cites11,09513,678
H-index4756
Hm-index2731
Number of Single Authored Papers44
Total Cites to Single Authored Papers574652
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers1,1131,261
Number of Single+First+Last Authored Papers152152
Total Cites to Single+First+Last Authored Papers8,0289,366
Composite Score33
Number of Distinct Citing Papers7,7568,392
Ratio of Total Citations to Distinct Citing Papers 1.43 1.63
Self-Citation Percentage
18.88%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2023 Rank: 30,200

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 676 out of 100,804 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score30,20025,884
Total Cites10,57413,026
H-index4554
Hm-index2730
Number of Single Authored Papers44
Total Cites to Single Authored Papers547625
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers1,0571,205
Number of Single+First+Last Authored Papers152152
Total Cites to Single+First+Last Authored Papers7,5598,840
Composite Score33
Number of Distinct Citing Papers7,3227,914
Ratio of Total Citations to Distinct Citing Papers 1.44 1.65
Self-Citation Percentage
18.82%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2022 Rank: 32,239

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 741 out of 95,895 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score32,23927,588
Total Cites9,44911,751
H-index4251
Hm-index2528
Number of Single Authored Papers44
Total Cites to Single Authored Papers494570
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers9551,077
Number of Single+First+Last Authored Papers149149
Total Cites to Single+First+Last Authored Papers6,6437,823
Composite Score33
Number of Distinct Citing Papers6,6537,216
Ratio of Total Citations to Distinct Citing Papers 1.42 1.63
Self-Citation Percentage
19.59%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2021 Rank: 31,208

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 725 out of 92,738 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score31,20826,463
Total Cites9,29011,588
H-index4251
Hm-index2528
Number of Single Authored Papers44
Total Cites to Single Authored Papers470548
Number of Single+First Authored Papers2020
Total Cites to Single+First Authored Papers9171,041
Number of Single+First+Last Authored Papers151151
Total Cites to Single+First+Last Authored Papers6,5737,768
Composite Score33
Number of Distinct Citing Papers6,4927,045
Ratio of Total Citations to Distinct Citing Papers 1.43 1.64
Self-Citation Percentage
19.83%
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Johnston, Roy L.

Johnston, Roy L.

University of Birmingham, United Kingdom

2020 Rank: 31,216

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Nanoscience & Nanotechnology

Rank in SubField 1: 714 out of 73,903 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score31,21626,338
Total Cites8,38610,615
H-index4149
Hm-index2327
Number of Single Authored Papers55
Total Cites to Single Authored Papers429507
Number of Single+First Authored Papers2121
Total Cites to Single+First Authored Papers852977
Number of Single+First+Last Authored Papers150150
Total Cites to Single+First+Last Authored Papers5,8497,004
Composite Score33
Number of Distinct Citing Papers5,8606,389
Ratio of Total Citations to Distinct Citing Papers 1.43 1.66
Self-Citation Percentage
21.00%
Found an error in your data? Contact us with your profile link. Contact Us →
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