John Callum Alexander

760 total citations · 1 hit paper
6 papers, 592 citations indexed

About

John Callum Alexander is a scholar working on Renewable Energy, Sustainability and the Environment, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, John Callum Alexander has authored 6 papers receiving a total of 592 indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Renewable Energy, Sustainability and the Environment, 3 papers in Materials Chemistry and 1 paper in Atomic and Molecular Physics, and Optics. Recurrent topics in John Callum Alexander's work include Iron oxide chemistry and applications (3 papers), Electronic and Structural Properties of Oxides (3 papers) and Advancements in Solid Oxide Fuel Cells (2 papers). John Callum Alexander is often cited by papers focused on Iron oxide chemistry and applications (3 papers), Electronic and Structural Properties of Oxides (3 papers) and Advancements in Solid Oxide Fuel Cells (2 papers). John Callum Alexander collaborates with scholars based in United Kingdom. John Callum Alexander's co-authors include G. H. Kelsall, Anna Hankin, Franky E. Bedoya‐Lora, Anna Regoutz, C.K. Ong, Inyoung Jang and Nicholas M. Farandos and has published in prestigious journals such as Energy & Environmental Science, Journal of Materials Chemistry A and Electrochimica Acta.

In The Last Decade

John Callum Alexander

6 papers receiving 588 citations

Hit Papers

Flat band potential determination: avoiding the pitfalls 2019 2026 2021 2023 2019 100 200 300 400
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. Flat band potential determination: avoiding the pitfalls
    2019 404 citations Anna Hankin, Franky E. Bedoya‐Lora et al. Journal of Materials Chemistry A profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John Callum Alexander United Kingdom 6 445 341 193 57 49 6 592
Diamantoula Labou Greece 9 561 1.3× 377 1.1× 197 1.0× 32 0.6× 48 1.0× 11 672
Hana Kmentová Czechia 17 450 1.0× 387 1.1× 208 1.1× 29 0.5× 27 0.6× 30 662
Carles Ros Spain 12 604 1.4× 421 1.2× 320 1.7× 80 1.4× 31 0.6× 21 751
Yuqi Zhang China 15 512 1.2× 354 1.0× 266 1.4× 40 0.7× 57 1.2× 33 676
Siwei Guo China 9 712 1.6× 490 1.4× 304 1.6× 62 1.1× 34 0.7× 13 819
Zihao Cui China 12 448 1.0× 315 0.9× 391 2.0× 55 1.0× 25 0.5× 16 627
P. Vijayakumar India 14 417 0.9× 247 0.7× 278 1.4× 68 1.2× 54 1.1× 48 610
Changqiong Zhu United States 8 374 0.8× 594 1.7× 214 1.1× 67 1.2× 24 0.5× 9 732
Hye Won Jeong South Korea 14 658 1.5× 469 1.4× 365 1.9× 67 1.2× 23 0.5× 27 762
Pengfei Hu China 12 521 1.2× 297 0.9× 367 1.9× 90 1.6× 52 1.1× 18 699

Countries citing papers authored by John Callum Alexander

Since Specialization
Citations

This map shows the geographic impact of John Callum Alexander'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 John Callum Alexander with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John Callum Alexander more than expected).

Fields of papers citing papers by John Callum Alexander

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John Callum Alexander. 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 John Callum Alexander. The network helps show where John Callum Alexander may publish in the future.

Co-authorship network of co-authors of John Callum Alexander

This figure shows the co-authorship network connecting the top 25 collaborators of John Callum Alexander. A scholar is included among the top collaborators of John Callum Alexander 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 John Callum Alexander. John Callum Alexander is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

6 of 6 papers shown
1.
Farandos, Nicholas M., Inyoung Jang, John Callum Alexander, & G. H. Kelsall. (2022). 3-D inkjet printed solid oxide electrochemical reactors III. Cylindrical pillared electrode microstructures. Electrochimica Acta. 426. 140834–140834. 8 indexed citations
2.
Jang, Inyoung, John Callum Alexander, Nicholas M. Farandos, & G. H. Kelsall. (2022). Predicting optimal geometries of 3D-printed solid oxide electrochemical reactors. Electrochimica Acta. 427. 140902–140902. 10 indexed citations
3.
Hankin, Anna, Franky E. Bedoya‐Lora, John Callum Alexander, Anna Regoutz, & G. H. Kelsall. (2019). Flat band potential determination: avoiding the pitfalls. Journal of Materials Chemistry A. 7(45). 26162–26176. 404 indexed citations breakdown →
4.
Alexander, John Callum. (2016). Surface Modifications and Growth of Titanium Dioxide for Photo-Electrochemical Water Splitting. Springer theses. 13 indexed citations
5.
Hankin, Anna, et al.. (2016). From millimetres to metres: the critical role of current density distributions in photo-electrochemical reactor design. Energy & Environmental Science. 10(1). 346–360. 81 indexed citations
6.
Hankin, Anna, John Callum Alexander, & G. H. Kelsall. (2014). Constraints to the flat band potential of hematite photo-electrodes. Physical Chemistry Chemical Physics. 16(30). 16176–16186. 76 indexed citations

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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2026