W. Hartmann

26 papers and 275 indexed citations
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About

W. Hartmann is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Spectroscopy. According to data from OpenAlex, W. Hartmann has authored 26 papers receiving a total of 275 indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Electrical and Electronic Engineering, 4 papers in Atomic and Molecular Physics, and Optics and 4 papers in Spectroscopy. Recurrent topics in W. Hartmann’s work include Chromatography in Natural Products (4 papers), Analytical Chemistry and Chromatography (4 papers) and Silicon and Solar Cell Technologies (3 papers). W. Hartmann is often cited by papers focused on Chromatography in Natural Products (4 papers), Analytical Chemistry and Chromatography (4 papers) and Silicon and Solar Cell Technologies (3 papers). W. Hartmann collaborates with scholars based in Germany, France and Brazil. W. Hartmann's co-authors include Ernst Klesper, H. Kluge, H. J. Queisser, Wim J. H. Hagen, Gerhard Franz, J. Miltat, H. Goebell, Shih‐Lin Chang, Robert D. Bloodwell and Helmut Baumgart and has published in prestigious journals such as Applied Physics Letters, Journal of The Electrochemical Society and Neuroscience.

In The Last Decade

Co-authorship network of co-authors of W. Hartmann

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

Fields of papers citing papers by W. Hartmann

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by W. Hartmann. 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 W. Hartmann. The network helps show where W. Hartmann may publish in the future.

Countries citing papers authored by W. Hartmann

Since Specialization
Citations

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

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