Citations per year, relative to М. П. Цвирко М. П. Цвирко (= 1×)
peers
К. Н. Соловьев
Countries citing papers authored by М. П. Цвирко
Since
Specialization
Citations
This map shows the geographic impact of М. П. Цвирко'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 М. П. Цвирко with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites М. П. Цвирко more than expected).
This network shows the impact of papers produced by М. П. Цвирко. 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 М. П. Цвирко. The network helps show where М. П. Цвирко may publish in the future.
Co-authorship network of co-authors of М. П. Цвирко
This figure shows the co-authorship network connecting the top 25 collaborators of М. П. Цвирко.
A scholar is included among the top collaborators of М. П. Цвирко 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 М. П. Цвирко. М. П. Цвирко is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Цвирко, М. П., et al.. (1999). Spectra and the luminescence quantum yield of ytterbium III beta-diketones. Optics and Spectroscopy. 87(6). 866–8701.10 indexed citations
Цвирко, М. П., et al.. (1982). Study of the photophysics of complexes of porphyrins with the lanthanides by nanosecond absorption spectroscopy. Optics and Spectroscopy. 52(2). 162–166.2 indexed citations
10.
Цвирко, М. П., et al.. (1981). Fluorescence from the second excited π-electron state of porphyrin complexes with rare-earth ions. Optics and Spectroscopy. 50(3). 300–303.2 indexed citations
11.
Цвирко, М. П., et al.. (1980). Two-quantum excitation of fluorescence from the higher excited electronic states in metalloporphyrin molecules. Optics and Spectroscopy. 48(1). 105–106.3 indexed citations
12.
Цвирко, М. П., et al.. (1980). Delayed fluorescence from the upper excited electronic states of metalloporphyrins. Optics and Spectroscopy. 49(3). 278–281.4 indexed citations
13.
Knyukshto, V. N., et al.. (1980). Intramolecular spin-orbital perturbations in ortho- and meta-halogeno-derivatives of tetraphenylporphin. OptSp. 48(6). 602–607.2 indexed citations
14.
Цвирко, М. П., et al.. (1980). Mechanism of the concentration quenching of the triplet state of metalloporphyrins in solution. Optics and Spectroscopy. 49(2). 152–156.1 indexed citations
15.
Knyukshto, V. N., et al.. (1979). Phosphorescence of chlorophyllis a and b and their pheophytins. Optics and Spectroscopy. 46(4). 385–388.5 indexed citations
16.
Цвирко, М. П., et al.. (1977). [Quenching of triplet states by Fe(II)- and Fe(III)-porphyrins].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 22(5). 766–70.3 indexed citations
17.
Соловьев, К. Н., et al.. (1976). Effect of deuteration on the probability of radiationless transitions in porphyrin molecules. Optics and Spectroscopy. 41(6). 569–573.4 indexed citations
18.
Соловьев, К. Н., et al.. (1976). Intramolecular migration of energy in complexes of the lanthanides with porphyrins. Optics and Spectroscopy. 40(4). 391–394.2 indexed citations
19.
Цвирко, М. П., et al.. (1975). Phosphorescence of porphyrin free bases and their complexes with light metals. OptSp. 38(4). 400–404.2 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.