Kiefer, Johannes
Universität Bremen,
Germany
2025 Rank: 128311
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optics
SubField 2:
Chemical Physics
Rank in SubField 1: 519 out of 80301 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 128311 | 96959 |
| Total Cites | 4023 | 5509 |
| H-index | 34 | 41 |
| Hm-index | 15 | 19 |
| Number of Single Authored Papers | 22 | 22 |
| Total Cites to Single Authored Papers | 115 | 154 |
| Number of Single+First Authored Papers | 90 | 90 |
| Total Cites to Single+First Authored Papers | 1443 | 1965 |
| Number of Single+First+Last Authored Papers | 153 | 153 |
| Total Cites to Single+First+Last Authored Papers | 2415 | 3208 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3347 | 3813 |
| Ratio of Total Citations to Distinct Citing Papers | 1.20 | 1.44 |
| Self-Citation Percentage |
26.97%
|
|
Kiefer, Johannes
Universität Bremen,
Germany
2024 Rank: 138003
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optics
SubField 2:
Chemical Physics
Rank in SubField 1: 574 out of 78127 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 138003 | 101066 |
| Total Cites | 3496 | 4916 |
| H-index | 31 | 39 |
| Hm-index | 14 | 18 |
| Number of Single Authored Papers | 20 | 20 |
| Total Cites to Single Authored Papers | 104 | 141 |
| Number of Single+First Authored Papers | 87 | 87 |
| Total Cites to Single+First Authored Papers | 1275 | 1789 |
| Number of Single+First+Last Authored Papers | 150 | 150 |
| Total Cites to Single+First+Last Authored Papers | 2108 | 2881 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2895 | 3342 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.47 |
| Self-Citation Percentage |
28.89%
|
|
Kiefer, Johannes
Universität Bremen,
Germany
2022 Rank: 166090
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optics
SubField 2:
Chemical Physics
Rank in SubField 1: 590 out of 64044 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 166090 | 114692 |
| Total Cites | 2512 | 3795 |
| H-index | 27 | 34 |
| Hm-index | 12 | 16 |
| Number of Single Authored Papers | 20 | 20 |
| Total Cites to Single Authored Papers | 77 | 114 |
| Number of Single+First Authored Papers | 86 | 86 |
| Total Cites to Single+First Authored Papers | 986 | 1485 |
| Number of Single+First+Last Authored Papers | 148 | 148 |
| Total Cites to Single+First+Last Authored Papers | 1563 | 2298 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2064 | 2453 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.55 |
| Self-Citation Percentage |
33.81%
|
|
Kiefer, Johannes
Universität Bremen,
Germany
2021 Rank: 170551
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optics
SubField 2:
Chemical Physics
Rank in SubField 1: 655 out of 64512 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 170551 | 115429 |
| Total Cites | 2349 | 3589 |
| H-index | 26 | 33 |
| Hm-index | 11 | 15 |
| Number of Single Authored Papers | 20 | 20 |
| Total Cites to Single Authored Papers | 68 | 105 |
| Number of Single+First Authored Papers | 83 | 83 |
| Total Cites to Single+First Authored Papers | 935 | 1430 |
| Number of Single+First+Last Authored Papers | 142 | 142 |
| Total Cites to Single+First+Last Authored Papers | 1467 | 2189 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1924 | 2294 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.56 |
| Self-Citation Percentage |
34.55%
|
|
Kiefer, Johannes
University of Bremen,
Germany
2020 Rank: 194413
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Optics
SubField 2:
Chemical Physics
Rank in SubField 1: 827 out of 56325 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 194413 | 128361 |
| Total Cites | 1833 | 2935 |
| H-index | 24 | 30 |
| Hm-index | 10 | 14 |
| Number of Single Authored Papers | 18 | 18 |
| Total Cites to Single Authored Papers | 53 | 90 |
| Number of Single+First Authored Papers | 79 | 79 |
| Total Cites to Single+First Authored Papers | 773 | 1251 |
| Number of Single+First+Last Authored Papers | 136 | 136 |
| Total Cites to Single+First+Last Authored Papers | 1170 | 1841 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1482 | 1795 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.64 |
| Self-Citation Percentage |
37.55%
|
|
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