Andrzej Rajca

9.2k total citations · 1 hit paper
175 papers, 7.7k citations indexed

About

Andrzej Rajca is a scholar working on Organic Chemistry, Materials Chemistry and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, Andrzej Rajca has authored 175 papers receiving a total of 7.7k indexed citations (citations by other indexed papers that have themselves been cited), including 87 papers in Organic Chemistry, 76 papers in Materials Chemistry and 59 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in Andrzej Rajca's work include Magnetism in coordination complexes (58 papers), Synthesis and Properties of Aromatic Compounds (49 papers) and Electron Spin Resonance Studies (43 papers). Andrzej Rajca is often cited by papers focused on Magnetism in coordination complexes (58 papers), Synthesis and Properties of Aromatic Compounds (49 papers) and Electron Spin Resonance Studies (43 papers). Andrzej Rajca collaborates with scholars based in United States, Germany and Poland. Andrzej Rajca's co-authors include Suchada Rajca, Maren Pink, Jirawat Wongsriratanakul, Makoto Miyasaka, Arnon Olankitwanit, Suchada Utamapanya, Nolan M. Gallagher, Hua Wang, Joseph T. Paletta and Ying Wang and has published in prestigious journals such as Science, Chemical Reviews and Journal of the American Chemical Society.

In The Last Decade

Andrzej Rajca

172 papers receiving 7.6k citations

Hit Papers

align trajectories

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.

Organic Diradicals and Polyradicals: From Spin Coupling to Magnetism?

1994 928 citations Andrzej Rajca profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Andrzej Rajca United States	53	3.9k	3.3k	2.8k	1.6k	1.6k	175	7.7k
Daisuke Shiomi Japan	44	4.0k 1.0×	3.4k 1.0×	4.2k 1.5×	1.9k 1.2×	1.8k 1.2×	285	8.8k
Takeji Takui Japan	52	5.4k 1.4×	4.0k 1.2×	4.2k 1.5×	2.4k 1.5×	1.8k 1.1×	396	10.5k
Yasushi Morita Japan	44	3.5k 0.9×	2.8k 0.8×	2.7k 1.0×	1.6k 1.0×	568 0.4×	201	7.0k
Kazuhiro Nakasuji Japan	45	4.5k 1.1×	3.0k 0.9×	3.4k 1.2×	1.7k 1.1×	473 0.3×	284	8.1k
Suchada Rajca United States	43	2.5k 0.7×	2.1k 0.6×	1.7k 0.6×	1.0k 0.6×	999 0.6×	99	4.6k
Richard T. Oakley Canada	51	3.6k 0.9×	1.9k 0.6×	4.6k 1.7×	2.2k 1.4×	636 0.4×	245	7.8k
David B. Amabilino Spain	52	4.6k 1.2×	5.2k 1.6×	2.4k 0.9×	1.8k 1.1×	296 0.2×	238	11.0k
Concepció Rovira Spain	59	2.8k 0.7×	5.1k 1.5×	6.1k 2.2×	5.5k 3.4×	828 0.5×	385	13.0k
Tamotsu Inabe Japan	43	1.2k 0.3×	3.8k 1.2×	3.6k 1.3×	2.2k 1.4×	476 0.3×	270	7.0k
Olivier Maury France	57	1.8k 0.5×	7.5k 2.3×	3.9k 1.4×	882 0.5×	543 0.3×	261	9.9k

Countries citing papers authored by Andrzej Rajca

Since Specialization

Citations

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

Fields of papers citing papers by Andrzej Rajca

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Andrzej Rajca

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Zhang, Shuyang, Evan T. Curtis, Hunter A. Miller, et al.. (2025). Towards Metabolic Organic Radical Contrast Agents (mORCAs) for Magnetic Resonance Imaging. Molecules. 30(7). 1581–1581.

2.

Giangrisostomi, Erika, Ruslan Ovsyannikov, Chan Shu, et al.. (2024). Radical‐Induced Changes in Transition Metal Interfacial Magnetic Properties: A Blatter Derivative on Polycrystalline Cobalt. Angewandte Chemie. 136(42). 1 indexed citations

3.

Shu, Chan, et al.. (2024). Chiral π-Conjugated Double Helical Aminyl Diradical with the Triplet Ground State. Journal of the American Chemical Society. 146(13). 9422–9433. 12 indexed citations

4.

Giangrisostomi, Erika, Ruslan Ovsyannikov, Chan Shu, et al.. (2024). Radical‐Induced Changes in Transition Metal Interfacial Magnetic Properties: A Blatter Derivative on Polycrystalline Cobalt. Angewandte Chemie International Edition. 63(42). e202403495–e202403495. 3 indexed citations

5.

Pink, Maren, et al.. (2023). Thermally Ultrarobust S = 1/2 Tetrazolinyl Radicals: Synthesis, Electronic Structure, Magnetism, and Nanoneedle Assemblies on Silicon Surface. Journal of the American Chemical Society. 145(24). 13335–13346. 6 indexed citations

6.

Stein, Richard A., Maren Pink, Peter Madzelan, et al.. (2023). Cucurbit[7]uril Enhances Distance Measurements of Spin-Labeled Proteins. Journal of the American Chemical Society. 145(47). 25726–25736. 7 indexed citations

7.

Glaser, Mathias, Erika Giangrisostomi, Ruslan Ovsyannikov, et al.. (2023). Long-Term Degradation Mechanisms in Application-Implemented Radical Thin Films. ACS Applied Materials & Interfaces. 15(25). 30935–30943. 3 indexed citations

8.

Zhang, Shuyang, Maren Pink, Wenchao Zhao, et al.. (2022). High-Spin ( S = 1) Blatter-Based Diradical with Robust Stability and Electrical Conductivity. Journal of the American Chemical Society. 144(13). 6059–6070. 52 indexed citations

9.

Bleicken, Stephanie, Hui Zhang, Maren Pink, et al.. (2019). gem‐Diethyl Pyrroline Nitroxide Spin Labels: Synthesis, EPR Characterization, Rotamer Libraries and Biocompatibility. ChemistryOpen. 8(8). 1035–1035. 10 indexed citations

10.

Wang, Wenqing, Chao Chen, Chan Shu, et al.. (2018). S = 1 Tetraazacyclophane Diradical Dication with Robust Stability: A Case of Low-Temperature One-Dimensional Antiferromagnetic Chain. Journal of the American Chemical Society. 140(25). 7820–7826. 54 indexed citations

11.

Nguyen, Hung V.‐T., Qixian Chen, Joseph T. Paletta, et al.. (2017). Nitroxide-Based Macromolecular Contrast Agents with Unprecedented Transverse Relaxivity and Stability for Magnetic Resonance Imaging of Tumors. ACS Central Science. 3(7). 800–811. 149 indexed citations

12.

Meyer, Virginia, Michael A. Swanson, Laura J. Clouston, et al.. (2015). Room-Temperature Distance Measurements of Immobilized Spin-Labeled Protein by DEER/PELDOR. Biophysical Journal. 108(5). 1213–1219. 81 indexed citations

13.

McCombs, Jessica R., Ying Wang, Joseph T. Paletta, et al.. (2014). Redox-responsive branched-bottlebrush polymers for in vivo MRI and fluorescence imaging. RePEc: Research Papers in Economics. 3 indexed citations

14.

Olankitwanit, Arnon, Velavan Kathirvelu, Suchada Rajca, et al.. (2011). Calix[4]arene nitroxide tetraradical and octaradical. Chemical Communications. 47(22). 6443–6443. 30 indexed citations

15.

Rajca, Andrzej, Velavan Kathirvelu, Sandip Kumar Roy, et al.. (2010). A Spirocyclohexyl Nitroxide Amino Acid Spin Label for Pulsed EPR Spectroscopy Distance Measurements. Chemistry - A European Journal. 16(19). 5778–5782. 64 indexed citations

16.

Miyasaka, Makoto, Maren Pink, Suchada Rajca, & Andrzej Rajca. (2009). Noncovalent Interactions in the Asymmetric Synthesis of Rigid, Conjugated Helical Structures. Angewandte Chemie International Edition. 48(32). 5954–5957. 59 indexed citations

17.

Rajca, Andrzej, et al.. (2007). 1,3-Alternate calix[4]arene nitronyl nitroxide tetraradical and diradical: synthesis, X-ray crystallography, paramagnetic NMR spectroscopy, EPR spectroscopy, and magnetic studies. Tetrahedron. 63(44). 10731–10742. 28 indexed citations

18.

Rajca, Andrzej, Jirawat Wongsriratanakul, Suchada Rajca, & Ronald L. Cerny. (2004). Organic Spin Clusters: Annelated Macrocyclic Polyarylmethyl Polyradicals and a Polymer with Very High Spin S=6–18. Chemistry - A European Journal. 10(13). 3144–3157. 45 indexed citations

19.

Rajca, Andrzej. (2002). From High-Spin Organic Molecules to Organic Polymers with Magnetic Ordering. Chemistry - A European Journal. 8(21). 4834–4841. 117 indexed citations

20.

Utamapanya, Suchada & Andrzej Rajca. (1991). Topological control of electron localization in .pi.-conjugated polyarylmethyl carbopolyanions and radical anions. Journal of the American Chemical Society. 113(24). 9242–9251. 40 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.

Explore authors with similar magnitude of impact