Nishikawa, Keiko
Chiba University,
Japan
2025 Rank: 115,580
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Chemical Physics
SubField 2:
Applied Physics
Rank in SubField 1: 2,097 out of 115,551 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 115,580 | 94,112 |
| Total Cites | 4,853 | 6,696 |
| H-index | 38 | 45 |
| Hm-index | 20 | 24 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 55 | 67 |
| Number of Single+First Authored Papers | 41 | 41 |
| Total Cites to Single+First Authored Papers | 1,220 | 1,543 |
| Number of Single+First+Last Authored Papers | 146 | 146 |
| Total Cites to Single+First+Last Authored Papers | 3,224 | 4,334 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,492 | 3,969 |
| Ratio of Total Citations to Distinct Citing Papers | 1.39 | 1.69 |
| Self-Citation Percentage |
27.52%
|
|
Nishikawa, Keiko
Chiba University,
Japan
2024 Rank: 114,681
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Chemical Physics
SubField 2:
Applied Physics
Rank in SubField 1: 2,142 out of 106,831 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 114,681 | 91,260 |
| Total Cites | 4,648 | 6,467 |
| H-index | 36 | 45 |
| Hm-index | 20 | 23 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 52 | 64 |
| Number of Single+First Authored Papers | 40 | 40 |
| Total Cites to Single+First Authored Papers | 1,166 | 1,485 |
| Number of Single+First+Last Authored Papers | 145 | 145 |
| Total Cites to Single+First+Last Authored Papers | 3,086 | 4,180 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,336 | 3,803 |
| Ratio of Total Citations to Distinct Citing Papers | 1.39 | 1.70 |
| Self-Citation Percentage |
28.13%
|
|
Nishikawa, Keiko
Chiba University,
Japan
2023 Rank: 108,878
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Chemical Physics
SubField 2:
Applied Physics
Rank in SubField 1: 2,082 out of 100,804 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 108,878 | 86,187 |
| Total Cites | 4,457 | 6,219 |
| H-index | 36 | 45 |
| Hm-index | 19 | 23 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 51 | 62 |
| Number of Single+First Authored Papers | 39 | 39 |
| Total Cites to Single+First Authored Papers | 1,118 | 1,424 |
| Number of Single+First+Last Authored Papers | 143 | 143 |
| Total Cites to Single+First+Last Authored Papers | 2,955 | 4,010 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,187 | 3,639 |
| Ratio of Total Citations to Distinct Citing Papers | 1.40 | 1.71 |
| Self-Citation Percentage |
28.33%
|
|
Nishikawa, Keiko
Chiba University,
Japan
2022 Rank: 103,057
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Chemical Physics
SubField 2:
Applied Physics
Rank in SubField 1: 2,080 out of 95,895 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 103,057 | 80,767 |
| Total Cites | 4,235 | 5,966 |
| H-index | 36 | 45 |
| Hm-index | 19 | 22 |
| Number of Single Authored Papers | 8 | 8 |
| Total Cites to Single Authored Papers | 48 | 59 |
| Number of Single+First Authored Papers | 38 | 38 |
| Total Cites to Single+First Authored Papers | 1,076 | 1,380 |
| Number of Single+First+Last Authored Papers | 142 | 142 |
| Total Cites to Single+First+Last Authored Papers | 2,799 | 3,843 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,027 | 3,460 |
| Ratio of Total Citations to Distinct Citing Papers | 1.40 | 1.72 |
| Self-Citation Percentage |
29.01%
|
|
Nishikawa, Keiko
Chiba University,
Japan
2021 Rank: 99,836
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Chemical Physics
SubField 2:
Applied Physics
Rank in SubField 1: 2,063 out of 92,738 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 99,836 | 78,180 |
| Total Cites | 4,121 | 5,802 |
| H-index | 35 | 44 |
| Hm-index | 19 | 22 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 47 | 57 |
| Number of Single+First Authored Papers | 36 | 36 |
| Total Cites to Single+First Authored Papers | 1,052 | 1,347 |
| Number of Single+First+Last Authored Papers | 140 | 140 |
| Total Cites to Single+First+Last Authored Papers | 2,727 | 3,739 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,943 | 3,366 |
| Ratio of Total Citations to Distinct Citing Papers | 1.40 | 1.72 |
| Self-Citation Percentage |
28.97%
|
|
Nishikawa, Keiko
Chiba University,
Japan
2020 Rank: 97,339
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Chemical Physics
SubField 2:
Applied Physics
Rank in SubField 1: 1,936 out of 73,903 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 97,339 | 76,676 |
| Total Cites | 3,812 | 5,415 |
| H-index | 34 | 43 |
| Hm-index | 18 | 21 |
| Number of Single Authored Papers | 7 | 7 |
| Total Cites to Single Authored Papers | 41 | 50 |
| Number of Single+First Authored Papers | 35 | 35 |
| Total Cites to Single+First Authored Papers | 989 | 1,273 |
| Number of Single+First+Last Authored Papers | 139 | 139 |
| Total Cites to Single+First+Last Authored Papers | 2,504 | 3,469 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,690 | 3,101 |
| Ratio of Total Citations to Distinct Citing Papers | 1.42 | 1.75 |
| Self-Citation Percentage |
29.60%
|
|
Related Profiles
Featured Profiles
Partner with TOPSCINET
Reach science enthusiasts and researchers across the site. Write to business@topscinet.com and our marketing team will send a proposal built around your banner ad goals.