Sajid Ullah

1.1k total citations · 2 hit papers
69 papers, 672 citations indexed

About

Sajid Ullah is a scholar working on Electrical and Electronic Engineering, Pollution and Environmental Engineering. According to data from OpenAlex, Sajid Ullah has authored 69 papers receiving a total of 672 indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Electrical and Electronic Engineering, 12 papers in Pollution and 12 papers in Environmental Engineering. Recurrent topics in Sajid Ullah's work include Heavy metals in environment (11 papers), Advanced Fiber Optic Sensors (8 papers) and Land Use and Ecosystem Services (7 papers). Sajid Ullah is often cited by papers focused on Heavy metals in environment (11 papers), Advanced Fiber Optic Sensors (8 papers) and Land Use and Ecosystem Services (7 papers). Sajid Ullah collaborates with scholars based in Pakistan, China and Afghanistan. Sajid Ullah's co-authors include Xiuchen Qiao, Aqil Tariq, Umair Shamraiz, Amin Badshah, Bareera Raza, Zainab Tahir, Syed Amer Mahmood, Sardar Khan, Muhammad Arif Nadeem and Javed Nawab and has published in prestigious journals such as Journal of The Electrochemical Society, Journal of Cleaner Production and Scientific Reports.

In The Last Decade

Sajid Ullah

59 papers receiving 655 citations

Hit Papers

Predicting land use and land cover changes for sustainabl... 2025 2026 2025 2025 10 20 30 40
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Predicting land use and land cover changes for sustainable land management using CA-Markov modelling and GIS techniques
    2025 46 citations Zainab Tahir, Muhammad Tahir Haseeb et al. Scientific Reports profile →
  2. A geospatial and statistical analysis of land surface temperature in response to land use land cover changes and urban heat island dynamics
    2025 16 citations Zainab Tahir, Syed Amer Mahmood et al. Scientific Reports profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Sajid Ullah Pakistan 16 163 137 124 94 84 69 672
Parvez Mahbub Australia 15 83 0.5× 63 0.5× 62 0.5× 128 1.4× 109 1.3× 33 537
Weijia Li China 19 51 0.3× 83 0.6× 79 0.6× 106 1.1× 74 0.9× 46 744
Qingqing Li China 17 224 1.4× 82 0.6× 62 0.5× 48 0.5× 50 0.6× 47 860
Man Zhang China 15 111 0.7× 266 1.9× 43 0.3× 104 1.1× 121 1.4× 57 786
Qunqun Liu China 17 80 0.5× 406 3.0× 101 0.8× 165 1.8× 55 0.7× 54 895
Xu Yuan China 13 202 1.2× 91 0.7× 76 0.6× 85 0.9× 261 3.1× 27 503
Yuhang Cai China 15 37 0.2× 94 0.7× 107 0.9× 144 1.5× 43 0.5× 38 725
Xiaoyu Yuan China 15 76 0.5× 315 2.3× 37 0.3× 78 0.8× 91 1.1× 23 715
Yaling Huang China 22 130 0.8× 223 1.6× 161 1.3× 367 3.9× 125 1.5× 59 1.2k

Countries citing papers authored by Sajid Ullah

Since Specialization
Citations

This map shows the geographic impact of Sajid Ullah's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Sajid Ullah with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sajid Ullah more than expected).

Fields of papers citing papers by Sajid Ullah

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sajid Ullah. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Sajid Ullah. The network helps show where Sajid Ullah may publish in the future.

Co-authorship network of co-authors of Sajid Ullah

This figure shows the co-authorship network connecting the top 25 collaborators of Sajid Ullah. A scholar is included among the top collaborators of Sajid Ullah based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Sajid Ullah. Sajid Ullah is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
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Tahir, Zainab, et al.. (2025). Predicting land use and land cover changes for sustainable land management using CA-Markov modelling and GIS techniques. Scientific Reports. 15(1). 3271–3271. 46 indexed citations breakdown →
4.
Hussain, Sajjad, Saeed Ahmad Qaisrani, Aqil Tariq, Muhammad Mubeen, & Sajid Ullah. (2025). Assessing past, present, and simulated future prediction of land use land cover changes using CA-Markov chain models with Satellite data. Results in Engineering. 26. 105585–105585. 7 indexed citations
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Khan, Muhammad Ismail, Syed Ali Asad Naqvi, Abid Sarwar, et al.. (2024). Identification and mapping of groundwater recharge zones using multi influencing factor and analytical hierarchy process. Scientific Reports. 14(1). 19240–19240. 24 indexed citations
8.
Ullah, Sajid, et al.. (2024). Addressing the impact of land use land cover changes on land surface temperature using machine learning algorithms. Scientific Reports. 14(1). 18746–18746. 41 indexed citations
9.
Ullah, Sajid, et al.. (2024). Modeling and Simulation of Heterojunction Solar Cell with Mono Crystalline Silicon. Journal of Applied Mathematics and Physics. 12(3). 997–1020. 2 indexed citations
10.
Ullah, Sajid, et al.. (2024). Graphene oxide and hydroxyapatite-based composite extracted from fish scale: Synthesis, characterization and water treatment application. Journal of Molecular Liquids. 417. 126577–126577. 1 indexed citations
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Rahman, Atta-ur, et al.. (2024). Pixel-Based Spatio-Statistical Analysis of Landslide Probability in Humid and Seismically Active Areas of Himalaya and Hindukush. Sustainability. 16(9). 3556–3556. 2 indexed citations
12.
Ullah, Niamat, Aqil Tariq, Said Qasim, et al.. (2024). Geospatial analysis and AHP for flood risk mapping in Quetta, Pakistan: a tool for disaster management and mitigation. Applied Water Science. 14(11). 13 indexed citations
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Wang, Gehui, Sajid Ullah, Zhihua Qiao, et al.. (2023). Risk assessment and source apportionment of heavy metalloids from typical farmlands provinces in China. Process Safety and Environmental Protection. 171. 109–118. 10 indexed citations
14.
Rashid, Saima, et al.. (2023). Toxic effects of arsenic and its adsorption through thiolated cobalt doped silver nanomaterials from water resources. Digest Journal of Nanomaterials and Biostructures. 18(4). 1339–1350. 1 indexed citations
15.
Ahmad, Waqas, et al.. (2023). Batch mode and continuous flow adsorption of hydrocarbon pollutants from refinery wastewater using graphene oxide derived from fish scales. Environmental Science Water Research & Technology. 9(8). 2089–2098. 4 indexed citations
16.
Akhter, Naheed, Raziya Nadeem, Umer Rashid, et al.. (2022). Biogenic synthesis of date stones biochar-based zirconium oxide nanocomposite for the removal of hexavalent chromium from aqueous solution. Applied Nanoscience. 13(9). 6053–6066. 4 indexed citations
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Noman, Muhammad Tayyab, et al.. (2022). Lead (II) adsorption from aqueous systems using visible light activated cobalt doped zinc oxide nanoparticles. Digest Journal of Nanomaterials and Biostructures. 17(3). 838–849. 4 indexed citations
18.
Ullah, Sajid, Dilawar Farhan Shams, Sadia Rehman, et al.. (2022). Application of visible light activated thiolated cobalt doped ZnO nanoparticles towards arsenic removal from aqueous systems. Digest Journal of Nanomaterials and Biostructures. 17(2). 443–455. 6 indexed citations
19.
Ullah, Sajid, Muhammad Sajjad Iqbal, Fazlullah Khan, et al.. (2022). Green synthesis of silver nanoparticles and its application towards As(V) removal from aqueous systems. Digest Journal of Nanomaterials and Biostructures. 17(4). 1385–1398. 4 indexed citations
20.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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