Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2025 Rank: 30792
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 602 out of 314399 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 30792 | 27681 |
| Total Cites | 1326 | 1523 |
| H-index | 16 | 17 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 53 | 58 |
| Number of Single+First Authored Papers | 18 | 18 |
| Total Cites to Single+First Authored Papers | 73 | 79 |
| Number of Single+First+Last Authored Papers | 168 | 168 |
| Total Cites to Single+First+Last Authored Papers | 370 | 426 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1058 | 1136 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.34 |
| Self-Citation Percentage |
12.93%
|
|
Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2024 Rank: 40788
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 750 out of 299561 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 40788 | 38518 |
| Total Cites | 1102 | 1240 |
| H-index | 15 | 16 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 38 | 42 |
| Number of Single+First Authored Papers | 18 | 18 |
| Total Cites to Single+First Authored Papers | 61 | 66 |
| Number of Single+First+Last Authored Papers | 162 | 162 |
| Total Cites to Single+First+Last Authored Papers | 283 | 317 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 890 | 959 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.29 |
| Self-Citation Percentage |
11.13%
|
|
Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2023 Rank: 35842
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 628 out of 281605 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 35842 | 35427 |
| Total Cites | 1086 | 1261 |
| H-index | 14 | 14 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 47 | 54 |
| Number of Single+First Authored Papers | 18 | 18 |
| Total Cites to Single+First Authored Papers | 70 | 80 |
| Number of Single+First+Last Authored Papers | 153 | 153 |
| Total Cites to Single+First+Last Authored Papers | 334 | 390 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 829 | 905 |
| Ratio of Total Citations to Distinct Citing Papers | 1.31 | 1.39 |
| Self-Citation Percentage |
13.88%
|
|
Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2022 Rank: 59937
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 978 out of 267149 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 59937 | 50332 |
| Total Cites | 856 | 1033 |
| H-index | 11 | 13 |
| Hm-index | 4 | 5 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 34 | 38 |
| Number of Single+First Authored Papers | 18 | 18 |
| Total Cites to Single+First Authored Papers | 53 | 62 |
| Number of Single+First+Last Authored Papers | 148 | 148 |
| Total Cites to Single+First+Last Authored Papers | 257 | 312 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 682 | 769 |
| Ratio of Total Citations to Distinct Citing Papers | 1.26 | 1.34 |
| Self-Citation Percentage |
17.13%
|
|
Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2021 Rank: 77934
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 1433 out of 285331 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 77934 | 56426 |
| Total Cites | 1195 | 1524 |
| H-index | 13 | 16 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 30 | 36 |
| Number of Single+First Authored Papers | 17 | 17 |
| Total Cites to Single+First Authored Papers | 58 | 75 |
| Number of Single+First+Last Authored Papers | 139 | 139 |
| Total Cites to Single+First+Last Authored Papers | 313 | 449 |
| Composite Score | 2 | 3 |
| Number of Distinct Citing Papers | 996 | 1134 |
| Ratio of Total Citations to Distinct Citing Papers | 1.20 | 1.34 |
| Self-Citation Percentage |
21.59%
|
|
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.