Jorma Hölsä

8.8k total citations · 1 hit paper
220 papers, 7.5k citations indexed

About

Jorma Hölsä is a scholar working on Materials Chemistry, Ceramics and Composites and Inorganic Chemistry. According to data from OpenAlex, Jorma Hölsä has authored 220 papers receiving a total of 7.5k indexed citations (citations by other indexed papers that have themselves been cited), including 205 papers in Materials Chemistry, 78 papers in Ceramics and Composites and 55 papers in Inorganic Chemistry. Recurrent topics in Jorma Hölsä's work include Luminescence Properties of Advanced Materials (183 papers), Glass properties and applications (78 papers) and Lanthanide and Transition Metal Complexes (37 papers). Jorma Hölsä is often cited by papers focused on Luminescence Properties of Advanced Materials (183 papers), Glass properties and applications (78 papers) and Lanthanide and Transition Metal Complexes (37 papers). Jorma Hölsä collaborates with scholars based in Finland, France and Brazil. Jorma Hölsä's co-authors include Mika Lastusaari, Janne Niittykoski, T. Aitasalo, H. Jungner, P. Porcher, Taneli Laamanen, Lucas Carvalho Veloso Rodrigues, Hermi F. Brito, Kari Koski and Ralf-Johan Lamminmäki and has published in prestigious journals such as The Journal of Chemical Physics, Physical review. B, Condensed matter and Chemistry of Materials.

In The Last Decade

Jorma Hölsä

220 papers receiving 7.3k citations

Hit Papers

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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.

Persistent luminescence phenomena in materials doped with rare earth ions

2003 460 citations T. Aitasalo, P.J. Dereń et al. Journal of Solid State Chemistry profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Jorma Hölsä	7.0k	2.5k	1.9k	1.6k	925	220	7.5k
Mika Lastusaari	5.3k 0.8×	2.0k 0.8×	1.6k 0.8×	1.2k 0.8×	486 0.5×	215	6.0k
Qiang Su	7.5k 1.1×	4.5k 1.8×	1.6k 0.9×	1.2k 0.8×	504 0.5×	163	7.9k
Jung Hyun Jeong	9.7k 1.4×	5.9k 2.3×	1.9k 1.0×	1.6k 1.0×	684 0.7×	458	10.3k
Jumpei Ueda	6.5k 0.9×	3.3k 1.3×	1.9k 1.0×	956 0.6×	401 0.4×	156	6.8k
Baojiu Chen	9.7k 1.4×	6.2k 2.4×	1.7k 0.9×	2.8k 1.8×	734 0.8×	455	10.2k
Byung Kee Moon	5.4k 0.8×	2.8k 1.1×	1.1k 0.6×	771 0.5×	416 0.4×	261	5.7k
Guogang Li	9.4k 1.3×	5.9k 2.3×	2.0k 1.1×	873 0.6×	1.0k 1.1×	143	9.9k
Zhijun Wang	5.4k 0.8×	3.2k 1.3×	1.3k 0.7×	702 0.4×	338 0.4×	277	5.8k
Hirohiko Adachi	4.1k 0.6×	2.1k 0.8×	884 0.5×	539 0.3×	699 0.8×	237	6.5k
Chongfeng Guo	8.5k 1.2×	5.6k 2.2×	1.6k 0.9×	881 0.6×	482 0.5×	161	8.9k

Countries citing papers authored by Jorma Hölsä

Since Specialization

Citations

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

Fields of papers citing papers by Jorma Hölsä

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jorma Hölsä

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

All Works

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20 of 20 papers shown

Shivaramu, N.J., E. Coetsee, Jorma Hölsä, & H.C. Swart. (2024). Energy trapping to substitutional and charge compensation defects in persistent luminescent BaAl₂O₄:Tb³⁺. Physica Scripta. 99(11). 115975–115975. 3 indexed citations

Kumar, Vinod, O.M. Ntwaeaborwa, Jorma Hölsä, David E. Motaung, & H.C. Swart. (2015). The role of oxygen and titanium related defects on the emission of TiO2:Tb3+ nano-phosphor for blue lighting applications. Optical Materials. 46. 510–516. 52 indexed citations

Brito, Hermi F., Jorma Hölsä, Taneli Laamanen, et al.. (2013). Rare Earth Distribution in Na R F ₄ : Effect on Up-Conversion Intensity. Powder Diffraction. 28(S2). S41–S50. 5 indexed citations

Arppe, Riikka, et al.. (2012). Genotyping of clinically relevant human adenoviruses by array-in-well hybridization assay. Clinical Microbiology and Infection. 19(6). 551–557. 32 indexed citations

Brito, Hermi F., Jorma Hölsä, Taneli Laamanen, et al.. (2012). Persistent luminescence mechanisms: human imagination at work. Optical Materials Express. 2(4). 371–371. 202 indexed citations

Hyppänen, Iko, et al.. (2010). Up-Conversion Luminescence of the NaRF4-NaR′F4 (R: Y, Yb, Er) Core-Shell Nanomaterials. Journal of Fluorescence. 21(3). 963–969. 5 indexed citations

Hyppänen, Iko, et al.. (2008). Defect Structure and Up-conversion Luminescence Properties of ZrO2:Yb3+,Er3+ Nanomaterials. Journal of Fluorescence. 18(6). 1029–1034. 11 indexed citations

Hyppänen, Iko, et al.. (2008). Preparation and Characterization of Nanocrystalline ZrO₂:Yb³⁺,Er³⁺ Up‐conversion Phosphors. Annals of the New York Academy of Sciences. 1130(1). 267–271. 10 indexed citations

Hreniak, D., Jorma Hölsä, Mika Lastusaari, & W. Stręk. (2006). Effect of grain size and concentration of active ions on structural and optical behavior of Eu3+-doped Y3Al5O12 nanocrystallites. Journal of Luminescence. 122-123. 91–94. 23 indexed citations

10.

Aitasalo, T., Jorma Hölsä, Mika Lastusaari, Janne Niittykoski, & F. Pellé. (2005). Delayed luminescence of Ce3+ doped X1 form of Y2SiO5. Optical Materials. 27(9). 1511–1515. 36 indexed citations

11.

Aitasalo, T., P.J. Dereń, Jorma Hölsä, et al.. (2004). Annihilation of the persistent luminescence of MAl2O4:Eu2+ by Sm3+ co-doping. Radiation Measurements. 38(4-6). 515–518. 29 indexed citations

12.

Hölsä, Jorma, et al.. (2004). A few remarks on the simulation and use of crystal field energy level schemes of the rare earth ions. Journal of Solid State Chemistry. 178(2). 435–440. 13 indexed citations

13.

Antic‐Fidancev, Elisabeth, Jorma Hölsä, & Mika Lastusaari. (2002). Crystal field strength in C-type cubic rare earth oxides. Journal of Alloys and Compounds. 341(1-2). 82–86. 73 indexed citations

14.

Hölsä, Jorma, Ralf-Johan Lamminmäki, Mika Lastusaari, & P. Porcher. (2001). Simulation of the Gd3+ energy level scheme in GdOCl. Journal of Alloys and Compounds. 323-324. 811–815. 18 indexed citations

15.

Hölsä, Jorma, Ralf-Johan Lamminmäki, Mika Lastusaari, P. Porcher, & R. Sáez Puche. (2000). Simulation of the spectroscopic and magnetic properties of RE(III) ions in RE oxychlorides based on exact crystal structure from Rietveld refinements. Journal of Alloys and Compounds. 300-301. 45–54. 12 indexed citations

16.

Hölsä, Jorma, Ralf-Johan Lamminmäki, & P. Porcher. (1998). Simulation of the energy levels of Dy3+ in DyOCl. Journal of Alloys and Compounds. 275-277. 398–401. 7 indexed citations

17.

Hölsä, Jorma, Ralf-Johan Lamminmäki, Mika Lastusaari, et al.. (1998). Parametric analysis of the energy level scheme of Pr3+ in La2O2CN2. Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy. 54(13). 2065–2069. 19 indexed citations

18.

Hölsä, Jorma, Eija Säilynoja, Kari Koski, Hanna Rahiala, & J. Valkonen. (1996). X-ray powder diffraction study of the stability of solid solutions in (La _{1− x} Gd _x )OCl. Powder Diffraction. 11(2). 129–133. 12 indexed citations

19.

Beaury, L., Jorma Hölsä, J.C. Krupa, et al.. (1996). Energy Level Scheme of Nd³⁺Ion in Rare Earth Oxyhalides, REOX (X = F, Cl, and Br). Acta Physica Polonica A. 90(6). 1203–1213. 14 indexed citations

20.

Hölsä, Jorma, Željka Antić, M. Lemaı̂tre-Blaise, et al.. (1995). Systematic analysis of the optical spectra of selected RE3+ ions in rare-earth oxyfluoride. Journal of Applied Spectroscopy. 62(4). 697–705. 6 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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