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Year
Barker, John Roger

Barker, John Roger

University of Michigan, Ann Arbor, United States

2026 Rank: 46,055

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Astronomy & Astrophysics

Rank in SubField 1: 913 out of 121,889 Researchers

Data For The Year: 2026
Metrics Self-Citations Excluded All
Rank Based on Composite Score46,05548,379
Total Cites6,0076,763
H-index4142
Hm-index2324
Number of Single Authored Papers1313
Total Cites to Single Authored Papers9511,033
Number of Single+First Authored Papers4141
Total Cites to Single+First Authored Papers1,6731,855
Number of Single+First+Last Authored Papers118118
Total Cites to Single+First+Last Authored Papers5,1475,781
Composite Score33
Number of Distinct Citing Papers4,1734,467
Ratio of Total Citations to Distinct Citing Papers 1.44 1.51
Self-Citation Percentage
11.18%
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Barker, John Roger

Barker, John Roger

University of Michigan, Ann Arbor, United States

2025 Rank: 43,354

Overall Rank
Rank in SubField 1
Publications
Total Cites
Main Field:

Physics & Astronomy

SubField 1:

Chemical Physics

SubField 2:

Astronomy & Astrophysics

Rank in SubField 1: 885 out of 115,551 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score43,35445,088
Total Cites5,7756,513
H-index4042
Hm-index2324
Number of Single Authored Papers1313
Total Cites to Single Authored Papers9211,003
Number of Single+First Authored Papers4141
Total Cites to Single+First Authored Papers1,6241,806
Number of Single+First+Last Authored Papers117117
Total Cites to Single+First+Last Authored Papers4,9425,559
Composite Score33
Number of Distinct Citing Papers4,0024,288
Ratio of Total Citations to Distinct Citing Papers 1.44 1.52
Self-Citation Percentage
11.33%
Found an error in your data? Contact us with your profile link. Contact Us →
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