Stephan Heer

2.8k total citations · 2 hit papers
14 papers, 2.5k citations indexed

About

Stephan Heer is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Ceramics and Composites. According to data from OpenAlex, Stephan Heer has authored 14 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Materials Chemistry, 8 papers in Electrical and Electronic Engineering and 5 papers in Ceramics and Composites. Recurrent topics in Stephan Heer's work include Luminescence Properties of Advanced Materials (13 papers), Glass properties and applications (5 papers) and Perovskite Materials and Applications (4 papers). Stephan Heer is often cited by papers focused on Luminescence Properties of Advanced Materials (13 papers), Glass properties and applications (5 papers) and Perovskite Materials and Applications (4 papers). Stephan Heer collaborates with scholars based in Switzerland, Germany and Brazil. Stephan Heer's co-authors include Markus Haase, H. U. Güdel, Karsten Kömpe, O. Lehmann, Karl W. Krämer, Hans U. Güdel, Daniel Biner, Annina Aebischer, J. Grimm and Christina Reinhard and has published in prestigious journals such as Advanced Materials, Angewandte Chemie International Edition and Journal of Applied Physics.

In The Last Decade

Stephan Heer

14 papers receiving 2.5k citations

Hit Papers

Highly Efficient Multicolour Upconversion Emission in Tra... 2004 2026 2011 2018 2004 2005 250 500 750 1000
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. Highly Efficient Multicolour Upconversion Emission in Transparent Colloids of Lanthanide‐Doped NaYF4 Nanocrystals
    2004 1.2k citations Stephan Heer, Karsten Kömpe et al. Advanced Materials profile →
  2. Novel materials doped with trivalent lanthanides and transition metal ions showing near-infrared to visible photon upconversion
    2005 536 citations Annina Aebischer, Daniel Biner et al. Optical Materials profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Stephan Heer Switzerland 11 2.4k 1.1k 505 390 339 14 2.5k
Jan W. Stouwdam Netherlands 14 2.1k 0.9× 930 0.9× 528 1.0× 253 0.6× 193 0.6× 18 2.3k
Karsten Kömpe Germany 14 2.6k 1.1× 931 0.9× 606 1.2× 568 1.5× 216 0.6× 21 2.9k
Jonas Joos Belgium 26 1.9k 0.8× 890 0.8× 362 0.7× 182 0.5× 172 0.5× 47 2.1k
Koen Van den Eeckhout Belgium 14 2.6k 1.1× 1.0k 1.0× 179 0.4× 352 0.9× 296 0.9× 16 2.7k
G. Frei Switzerland 10 1.2k 0.5× 601 0.6× 384 0.8× 152 0.4× 183 0.5× 17 1.4k
Bining Tian China 23 2.2k 0.9× 1.4k 1.3× 136 0.3× 267 0.7× 259 0.8× 49 2.5k
Tadeusz Leśniewski Poland 25 2.6k 1.1× 1.6k 1.5× 490 1.0× 160 0.4× 216 0.6× 51 2.7k
Ken Sakuma Japan 11 2.3k 0.9× 1.2k 1.1× 397 0.8× 85 0.2× 289 0.9× 18 2.4k
Decai Huang China 20 1.7k 0.7× 877 0.8× 289 0.6× 170 0.4× 113 0.3× 64 1.8k
Dechao Yu China 24 1.6k 0.7× 1.1k 1.0× 218 0.4× 115 0.3× 259 0.8× 70 1.8k

Countries citing papers authored by Stephan Heer

Since Specialization
Citations

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

Fields of papers citing papers by Stephan Heer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Stephan Heer

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

All Works

14 of 14 papers shown
1.
Pires, Ana Maria, Stephan Heer, Hans U. Güdel, & Osvaldo Antônio Serra. (2006). Er, Yb Doped Yttrium Based Nanosized Phosphors: Particle Size, “Host Lattice” and Doping Ion Concentration Effects on Upconversion Efficiency. Journal of Fluorescence. 16(3). 461–468. 62 indexed citations
2.
Pires, Ana Maria, Osvaldo Antônio Serra, Stephan Heer, & Hans U. Güdel. (2005). Low-temperature upconversion spectroscopy of nanosized Y2O3:Er,Yb phosphor. Journal of Applied Physics. 98(6). 70 indexed citations
3.
4.
Aebischer, Annina, Daniel Biner, Pascal Gerner, et al.. (2005). Novel materials doped with trivalent lanthanides and transition metal ions showing near-infrared to visible photon upconversion. Optical Materials. 27(6). 1111–1130. 536 indexed citations breakdown →
5.
Aebischer, Annina, Stephan Heer, Daniel Biner, et al.. (2005). Visible light emission upon near-infrared excitation in a transparent solution of nanocrystalline β-NaGdF4: Yb3+, Er3+. Chemical Physics Letters. 407(1-3). 124–128. 103 indexed citations
6.
Heer, Stephan, Karsten Kömpe, H. U. Güdel, & Markus Haase. (2004). Highly Efficient Multicolour Upconversion Emission in Transparent Colloids of Lanthanide‐Doped NaYF4 Nanocrystals. Advanced Materials. 16(23-24). 2102–2105. 1168 indexed citations breakdown →
7.
Heer, Stephan, O. Lehmann, Markus Haase, & H. U. Güdel. (2003). Blue, Green, and Red Upconversion Emission from Lanthanide‐Doped LuPO4 and YbPO4 Nanocrystals in a Transparent Colloidal Solution. Angewandte Chemie International Edition. 42(27). 3179–3182. 407 indexed citations
8.
Heer, Stephan, K. Petermann, & Hans U. Güdel. (2003). Upconversion excitation of Cr3+ emission in YAlO3 codoped with Cr3+ and Yb3+. Journal of Luminescence. 102-103. 144–150. 29 indexed citations
9.
10.
Heer, Stephan, O. Lehmann, Markus Haase, & H. U. Güdel. (2003). Blaue, grüne und rote Upconversion‐Emission von Lanthanoid‐dotierten LuPO4‐ und YbPO4‐Nanokristallen in transparenter kolloidaler Lösung. Angewandte Chemie. 115(27). 3288–3291. 30 indexed citations
11.
Gerner, Pascal, Stephan Heer, Christine Reinhard, et al.. (2001). New Light Emission Processes in Inorganic Materials. CHIMIA International Journal for Chemistry. 55(12). 1021–1021. 3 indexed citations
12.
Heer, Stephan, Markus Wermuth, Karl W. Krämer, Dirk Ehrentraut, & Hans U. Güdel. (2001). Up-conversion excitation of sharp Cr3+ 2E emission in YGG and YAG codoped with Cr3+ and Yb3+. Journal of Luminescence. 94-95. 337–341. 47 indexed citations
13.
Heer, Stephan, Markus Wermuth, Karl W. Krämer, & Hans U. Güdel. (2001). Upconversion excitation of Cr3+ emission in Y3Ga5O12 codoped with Cr3+ and Yb3+. Chemical Physics Letters. 334(4-6). 293–297. 36 indexed citations
14.
Schenker, Ralph, Stephan Heer, Hans U. Güdel, & Høgni Weihe. (2001). Optical Dimer Excitations and Exchange Parameters in (Et4N)3Cr2F9: First Observation of the 4A2 → 2A1 Transition. Inorganic Chemistry. 40(7). 1482–1488. 10 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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