This map shows the geographic impact of M. Hajenius'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 M. Hajenius with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites M. Hajenius more than expected).
This network shows the impact of papers produced by M. Hajenius. 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 M. Hajenius. The network helps show where M. Hajenius may publish in the future.
Co-authorship network of co-authors of M. Hajenius
This figure shows the co-authorship network connecting the top 25 collaborators of M. Hajenius.
A scholar is included among the top collaborators of M. Hajenius 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 M. Hajenius. M. Hajenius is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Hajenius, M.. (2007). Terahertz heterodyne mixing with a hot electron bolometer and a quantum cascade laser. Research Repository (Delft University of Technology).1 indexed citations
Hajenius, M., J. N. Hovenier, J. R. Gao, et al.. (2006). 2.8 THz heterodyne receiver based on a surface plasmon quantum cascade laser and a hot electron bolometer mixer. Softwaretechnik-Trends. 347–350.1 indexed citations
Baselmans, J. J. A., J. Kooi, A. Baryshev, et al.. (2005). Full characterization of small volume NbN HEB mixers for Space Applications. University of Groningen research database (University of Groningen / Centre for Information Technology). 457–462.1 indexed citations
14.
Barends, R., M. Hajenius, J. R. Gao, & T. M. Klapwijk. (2005). Direct correspondence between HEB current-voltage characteristics and the current-dependent resistive transition. 416–419.2 indexed citations
Hajenius, M., J. J. A. Baselmans, J. R. Gao, et al.. (2004). Increased bandwidth of NbN phonon cooled hot electron bolometer mixers. Softwaretechnik-Trends. 381.1 indexed citations
Kooi, J., R. Schieder, J. J. A. Baselmans, et al.. (2004). Regarding Atmospheric and Mechanical Stability Requirements of (LO-Pumped) Mixers. 270–282.1 indexed citations
Hajenius, M., J. J. A. Baselmans, J. R. Gao, et al.. (2003). Improved NbN phonon cooled hot electron bolometer mixers. 413.2 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.