I. Popa

3.5k total citations · 2 hit papers
16 papers, 2.6k citations indexed

About

I. Popa is a scholar working on Atomic and Molecular Physics, and Optics, Materials Chemistry and Electrical and Electronic Engineering. According to data from OpenAlex, I. Popa has authored 16 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Atomic and Molecular Physics, and Optics, 13 papers in Materials Chemistry and 6 papers in Electrical and Electronic Engineering. Recurrent topics in I. Popa's work include Diamond and Carbon-based Materials Research (13 papers), Force Microscopy Techniques and Applications (5 papers) and Semiconductor materials and devices (5 papers). I. Popa is often cited by papers focused on Diamond and Carbon-based Materials Research (13 papers), Force Microscopy Techniques and Applications (5 papers) and Semiconductor materials and devices (5 papers). I. Popa collaborates with scholars based in Germany, Belarus and Australia. I. Popa's co-authors include Fedor Jelezko, Jörg Wrachtrup, T. Gaebel, Achim D. Gruber, M. Domhan, Jan Meijer, J. R. Rabeau, Steven Prawer, S. Ya. Kilin and А. П. Низовцев and has published in prestigious journals such as Physical Review Letters, Applied Physics Letters and Physical Review B.

In The Last Decade

I. Popa

16 papers receiving 2.5k citations

Hit Papers

Observation of Coherent Oscillations in a Single Electron... 2004 2026 2011 2018 2004 2004 200 400 600
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. Observation of Coherent Oscillations in a Single Electron Spin
    2004 742 citations Fedor Jelezko, T. Gaebel et al. Physical Review Letters profile →
  2. Observation of Coherent Oscillation of a Single Nuclear Spin and Realization of a Two-Qubit Conditional Quantum Gate
    2004 544 citations Fedor Jelezko, T. Gaebel et al. Physical Review Letters profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
I. Popa Germany 13 1.9k 1.8k 621 545 515 16 2.6k
Helmut Fedder Germany 14 2.4k 1.3× 2.0k 1.2× 787 1.3× 756 1.4× 499 1.0× 24 3.3k
Sungkun Hong United States 10 2.2k 1.2× 2.2k 1.2× 706 1.1× 691 1.3× 374 0.7× 15 3.2k
F. Rempp Germany 8 1.8k 1.0× 1.7k 1.0× 470 0.8× 639 1.2× 561 1.1× 10 2.6k
Jean-François Roch France 28 2.0k 1.1× 2.0k 1.1× 599 1.0× 732 1.3× 341 0.7× 60 3.1k
Lachlan J. Rogers Germany 20 2.3k 1.3× 1.7k 1.0× 618 1.0× 770 1.4× 398 0.8× 33 2.9k
G. Waldherr Germany 10 1.4k 0.8× 1.1k 0.6× 355 0.6× 469 0.9× 368 0.7× 14 1.9k
Nir Bar‐Gill Israel 22 1.4k 0.8× 1.6k 0.9× 345 0.6× 557 1.0× 525 1.0× 51 2.3k
F. Joseph Heremans United States 23 1.8k 1.0× 1.7k 1.0× 1.1k 1.7× 265 0.5× 558 1.1× 58 2.9k
M. Domhan Germany 7 1.1k 0.6× 982 0.6× 386 0.6× 337 0.6× 280 0.5× 7 1.5k
Andrey Jarmola United States 24 2.0k 1.1× 1.8k 1.0× 422 0.7× 866 1.6× 217 0.4× 47 2.7k

Countries citing papers authored by I. Popa

Since Specialization
Citations

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

Fields of papers citing papers by I. Popa

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of I. Popa

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

All Works

16 of 16 papers shown
1.
Muldarisnur, Mulda, I. Popa, & Frank Marlow. (2012). Angle-resolved transmission spectroscopy of opal films. Physical Review B. 86(2). 11 indexed citations
2.
Popa, I. & Frank Marlow. (2008). Post‐Deposition Opal Evolution. ChemPhysChem. 9(11). 1541–1547. 16 indexed citations
3.
Popa, I., T. Gaebel, Philipp Neumann, Fedor Jelezko, & Jörg Wrachtrup. (2006). Spin Polarization in Single Spin Experiments on Defects in Diamond. Israel Journal of Chemistry. 46(4). 393–398. 4 indexed citations
4.
Gaebel, T., M. Domhan, I. Popa, et al.. (2006). Room-temperature coherent coupling of single spins in diamond. Nature Physics. 2(6). 408–413. 430 indexed citations
5.
Rabeau, J. R., P. Reichart, David N. Jamieson, et al.. (2006). Implantation of labelled single nitrogen vacancy centers in diamond using N15. Applied Physics Letters. 88(2). 161 indexed citations
6.
Meijer, Jan, B. Burchard, M. Domhan, et al.. (2005). Generation of single color centers by focused nitrogen implantation. Applied Physics Letters. 87(26). 193 indexed citations
7.
Jelezko, Fedor, T. Gaebel, I. Popa, et al.. (2004). Observation of Coherent Oscillation of a Single Nuclear Spin and Realization of a Two-Qubit Conditional Quantum Gate. Physical Review Letters. 93(13). 130501–130501. 544 indexed citations breakdown →
8.
Jelezko, Fedor, T. Gaebel, I. Popa, Achim D. Gruber, & Jörg Wrachtrup. (2004). Observation of Coherent Oscillations in a Single Electron Spin. Physical Review Letters. 92(7). 76401–76401. 742 indexed citations breakdown →
9.
Popa, I., T. Gaebel, M. Domhan, et al.. (2004). Energy levels and decoherence properties of single electron and nuclear spins in a defect center in diamond. Physical Review B. 70(20). 16 indexed citations
10.
Gaebel, T., I. Popa, Achim D. Gruber, et al.. (2004). Stable single-photon source in the near infrared. New Journal of Physics. 6. 98–98. 164 indexed citations
11.
Низовцев, А. П., S. Ya. Kilin, Fedor Jelezko, et al.. (2003). NV centers in diamond: spin-selective photokinetics, optical ground-state spin alignment and hole burning. Physica B Condensed Matter. 340-342. 106–110. 22 indexed citations
12.
Jelezko, Fedor, Andreas Volkmer, I. Popa, K. K. Rebane, & Jörg Wrachtrup. (2003). Coherence length of photons from a single quantum system. Physical Review A. 67(4). 28 indexed citations
13.
Низовцев, А. П., S. Ya. Kilin, Fedor Jelezko, et al.. (2003). Spin-selective low temperature spectroscopy on single molecules with a triplet-triplet optical transition: Application to the NV defect center in diamond. Optics and Spectroscopy. 94(6). 848–858. 28 indexed citations
14.
Jelezko, Fedor, I. Popa, Achim D. Gruber, et al.. (2002). Single spin states in a defect center resolved by optical spectroscopy. Applied Physics Letters. 81(12). 2160–2162. 149 indexed citations
15.
Jelezko, Fedor, C. Tietz, Achim D. Gruber, et al.. (2001). Spectroscopy of Single N-V Centers in Diamond. 2(4). 255–260. 78 indexed citations
16.
Jelezko, Fedor, et al.. (2001). Spectroscopy of Single N-V Centers in Diamond. 2(4). 255–260. 3 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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