Umar, Ahmad
Najran University,
Saudi Arabia
2022 Rank: 17,603
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Applied Physics
SubField 2:
Materials
Rank in SubField 1: 377 out of 289,917 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 17,603 | 16,179 |
| Total Cites | 2,497 | 2,825 |
| H-index | 20 | 21 |
| Hm-index | 10 | 11 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 2 | 2 |
| Number of Single+First Authored Papers | 105 | 105 |
| Total Cites to Single+First Authored Papers | 311 | 374 |
| Number of Single+First+Last Authored Papers | 203 | 203 |
| Total Cites to Single+First+Last Authored Papers | 779 | 904 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,258 | 2,389 |
| Ratio of Total Citations to Distinct Citing Papers | 1.11 | 1.18 |
| Self-Citation Percentage |
11.61%
|
|
Umar, Ahmad
Najran University,
Saudi Arabia
2021 Rank: 12,197
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Applied Physics
SubField 2:
Materials
Rank in SubField 1: 249 out of 269,833 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 12,197 | 11,334 |
| Total Cites | 3,790 | 4,328 |
| H-index | 26 | 29 |
| Hm-index | 14 | 15 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 5 | 5 |
| Number of Single+First Authored Papers | 90 | 90 |
| Total Cites to Single+First Authored Papers | 481 | 555 |
| Number of Single+First+Last Authored Papers | 181 | 181 |
| Total Cites to Single+First+Last Authored Papers | 1,293 | 1,481 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 3,285 | 3,501 |
| Ratio of Total Citations to Distinct Citing Papers | 1.15 | 1.24 |
| Self-Citation Percentage |
12.43%
|
|
Umar, Ahmad
Najran University,
Saudi Arabia
2020 Rank: 10,129
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Enabling & Strategic Technologies
SubField 1:
Materials
SubField 2:
Nanoscience & Nanotechnology
Rank in SubField 1: 174 out of 177,931 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 10,129 | 8,521 |
| Total Cites | 2,940 | 3,439 |
| H-index | 22 | 24 |
| Hm-index | 12 | 13 |
| Number of Single Authored Papers | 6 | 6 |
| Total Cites to Single Authored Papers | 6 | 8 |
| Number of Single+First Authored Papers | 87 | 87 |
| Total Cites to Single+First Authored Papers | 418 | 473 |
| Number of Single+First+Last Authored Papers | 172 | 172 |
| Total Cites to Single+First+Last Authored Papers | 1,048 | 1,204 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 2,550 | 2,754 |
| Ratio of Total Citations to Distinct Citing Papers | 1.15 | 1.25 |
| Self-Citation Percentage |
14.51%
|
|
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