Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2025 Rank: 105510
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 1462 out of 314399 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 105510 | 87744 |
| Total Cites | 7894 | 10016 |
| H-index | 37 | 43 |
| Hm-index | 18 | 20 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 202 | 230 |
| Number of Single+First Authored Papers | 18 | 18 |
| Total Cites to Single+First Authored Papers | 555 | 779 |
| Number of Single+First+Last Authored Papers | 168 | 168 |
| Total Cites to Single+First+Last Authored Papers | 2708 | 3645 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 6386 | 7326 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.37 |
| Self-Citation Percentage |
21.19%
|
|
Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2024 Rank: 119603
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 1635 out of 299561 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 119603 | 96576 |
| Total Cites | 6599 | 8563 |
| H-index | 34 | 40 |
| Hm-index | 17 | 20 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 148 | 172 |
| Number of Single+First Authored Papers | 18 | 18 |
| Total Cites to Single+First Authored Papers | 479 | 699 |
| Number of Single+First+Last Authored Papers | 162 | 162 |
| Total Cites to Single+First+Last Authored Papers | 2358 | 3251 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 5343 | 6225 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.38 |
| Self-Citation Percentage |
22.94%
|
|
Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2023 Rank: 139435
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 1876 out of 281605 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 139435 | 106631 |
| Total Cites | 5471 | 7293 |
| H-index | 31 | 38 |
| Hm-index | 15 | 19 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 110 | 130 |
| Number of Single+First Authored Papers | 18 | 18 |
| Total Cites to Single+First Authored Papers | 418 | 633 |
| Number of Single+First+Last Authored Papers | 153 | 153 |
| Total Cites to Single+First+Last Authored Papers | 2069 | 2924 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4438 | 5249 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.39 |
| Self-Citation Percentage |
24.98%
|
|
Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2022 Rank: 172577
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 2315 out of 267149 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 172577 | 127657 |
| Total Cites | 4376 | 6029 |
| H-index | 28 | 35 |
| Hm-index | 14 | 18 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 61 | 74 |
| Number of Single+First Authored Papers | 18 | 18 |
| Total Cites to Single+First Authored Papers | 346 | 550 |
| Number of Single+First+Last Authored Papers | 148 | 148 |
| Total Cites to Single+First+Last Authored Papers | 1727 | 2530 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3601 | 4339 |
| Ratio of Total Citations to Distinct Citing Papers | 1.22 | 1.39 |
| Self-Citation Percentage |
27.42%
|
|
Ludwig, Alfred
Ruhr-Universitat Bochum,
Germany
2021 Rank: 187013
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Applied Physics
Rank in SubField 1: 2617 out of 285331 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 187013 | 136490 |
| Total Cites | 3988 | 5547 |
| H-index | 27 | 35 |
| Hm-index | 14 | 18 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 41 | 52 |
| Number of Single+First Authored Papers | 17 | 17 |
| Total Cites to Single+First Authored Papers | 314 | 513 |
| Number of Single+First+Last Authored Papers | 139 | 139 |
| Total Cites to Single+First+Last Authored Papers | 1595 | 2366 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3304 | 3990 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.39 |
| Self-Citation Percentage |
28.11%
|
|
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