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Ludwig, Alfred

Ludwig, Alfred

Ruhr-Universitat Bochum, Germany

2025 Rank: 105,510

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Enabling & Strategic Technologies

SubField 1:

Materials

SubField 2:

Applied Physics

Rank in SubField 1: 1,462 out of 314,399 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score105,51087,744
Total Cites7,89410,016
H-index3743
Hm-index1820
Number of Single Authored Papers33
Total Cites to Single Authored Papers202230
Number of Single+First Authored Papers1818
Total Cites to Single+First Authored Papers555779
Number of Single+First+Last Authored Papers168168
Total Cites to Single+First+Last Authored Papers2,7083,645
Composite Score33
Number of Distinct Citing Papers6,3867,326
Ratio of Total Citations to Distinct Citing Papers 1.24 1.37
Self-Citation Percentage
21.19%
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Ludwig, Alfred

Ludwig, Alfred

Ruhr-Universitat Bochum, Germany

2024 Rank: 119,603

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Enabling & Strategic Technologies

SubField 1:

Materials

SubField 2:

Applied Physics

Rank in SubField 1: 1,635 out of 299,561 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score119,60396,576
Total Cites6,5998,563
H-index3440
Hm-index1720
Number of Single Authored Papers33
Total Cites to Single Authored Papers148172
Number of Single+First Authored Papers1818
Total Cites to Single+First Authored Papers479699
Number of Single+First+Last Authored Papers162162
Total Cites to Single+First+Last Authored Papers2,3583,251
Composite Score33
Number of Distinct Citing Papers5,3436,225
Ratio of Total Citations to Distinct Citing Papers 1.24 1.38
Self-Citation Percentage
22.94%
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Ludwig, Alfred

Ludwig, Alfred

Ruhr-Universitat Bochum, Germany

2023 Rank: 139,435

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Enabling & Strategic Technologies

SubField 1:

Materials

SubField 2:

Applied Physics

Rank in SubField 1: 1,876 out of 281,605 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score139,435106,631
Total Cites5,4717,293
H-index3138
Hm-index1519
Number of Single Authored Papers33
Total Cites to Single Authored Papers110130
Number of Single+First Authored Papers1818
Total Cites to Single+First Authored Papers418633
Number of Single+First+Last Authored Papers153153
Total Cites to Single+First+Last Authored Papers2,0692,924
Composite Score33
Number of Distinct Citing Papers4,4385,249
Ratio of Total Citations to Distinct Citing Papers 1.23 1.39
Self-Citation Percentage
24.98%
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Ludwig, Alfred

Ludwig, Alfred

Ruhr-Universitat Bochum, Germany

2022 Rank: 172,577

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Enabling & Strategic Technologies

SubField 1:

Materials

SubField 2:

Applied Physics

Rank in SubField 1: 2,315 out of 267,149 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score172,577127,657
Total Cites4,3766,029
H-index2835
Hm-index1418
Number of Single Authored Papers33
Total Cites to Single Authored Papers6174
Number of Single+First Authored Papers1818
Total Cites to Single+First Authored Papers346550
Number of Single+First+Last Authored Papers148148
Total Cites to Single+First+Last Authored Papers1,7272,530
Composite Score33
Number of Distinct Citing Papers3,6014,339
Ratio of Total Citations to Distinct Citing Papers 1.22 1.39
Self-Citation Percentage
27.42%
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Ludwig, Alfred

Ludwig, Alfred

Ruhr-Universitat Bochum, Germany

2021 Rank: 187,013

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Enabling & Strategic Technologies

SubField 1:

Materials

SubField 2:

Applied Physics

Rank in SubField 1: 2,617 out of 285,331 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score187,013136,490
Total Cites3,9885,547
H-index2735
Hm-index1418
Number of Single Authored Papers22
Total Cites to Single Authored Papers4152
Number of Single+First Authored Papers1717
Total Cites to Single+First Authored Papers314513
Number of Single+First+Last Authored Papers139139
Total Cites to Single+First+Last Authored Papers1,5952,366
Composite Score33
Number of Distinct Citing Papers3,3043,990
Ratio of Total Citations to Distinct Citing Papers 1.21 1.39
Self-Citation Percentage
28.11%
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