Georges Calas

1.9k total citations
18 papers, 1.6k citations indexed

About

Georges Calas is a scholar working on Environmental Chemistry, Renewable Energy, Sustainability and the Environment and Geochemistry and Petrology. According to data from OpenAlex, Georges Calas has authored 18 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Environmental Chemistry, 8 papers in Renewable Energy, Sustainability and the Environment and 6 papers in Geochemistry and Petrology. Recurrent topics in Georges Calas's work include Arsenic contamination and mitigation (9 papers), Iron oxide chemistry and applications (8 papers) and Mine drainage and remediation techniques (8 papers). Georges Calas is often cited by papers focused on Arsenic contamination and mitigation (9 papers), Iron oxide chemistry and applications (8 papers) and Mine drainage and remediation techniques (8 papers). Georges Calas collaborates with scholars based in France, United States and Italy. Georges Calas's co-authors include Guillaume Morin, Farid Juillot, Gordon E. Brown, Georges Ona-Nguéma, Yuheng Wang, Philippe Ildefonse, François Guyot, Andrea L. Foster, Fabien Maillot and Corinne Casiot and has published in prestigious journals such as Environmental Science & Technology, Geochimica et Cosmochimica Acta and American Mineralogist.

In The Last Decade

Georges Calas

18 papers receiving 1.6k citations

Peers

Georges Calas

RESE

POLLU

Lars Lövgren Sweden

Brigid A. Rea United States

K. P. Raven United States

Paras Trivedi United States

Andrew J. Frierdich Australia

Joseph Essilfie-Dughan Canada

Laura Klüpfel Switzerland

Charlotte Hurel France

Laurel K. ThomasArrigo Switzerland

Muammar Mansor Germany

Lars Lövgren Sweden

Georges Calas

900 ×0.8

583 ×1.0

RESE

273 ×0.6

POLLU

352 ×1.1

275 ×0.9

Citations per year, relative to Georges Calas Georges Calas (= 1×) peers Lars Lövgren

Countries citing papers authored by Georges Calas

Since Specialization

Citations

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

Fields of papers citing papers by Georges Calas

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Georges Calas

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

All Works

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18 of 18 papers shown

Brown, Gordon E., Michael F. Hochella, & Georges Calas. (2017). Improving Mitigation of the Long-Term Legacy of Mining Activities: Nano- and Molecular-Level Concepts and Methods. Elements. 13(5). 325–330. 9 indexed citations

Brown, Gordon E. & Georges Calas. (2012). Section 16. Mineral Weathering as a Molecular-Level Mineral-Surface Process. 1. 650–662. 2 indexed citations

Brown, Gordon E. & Georges Calas. (2012). Section 7. The Nature of Solid-Water Interfaces. 1. 545–560. 3 indexed citations

Brown, Gordon E. & Georges Calas. (2012). Section 13. Sorption Reactions in More Complex Model Systems: Containing Nom and Microbial Biofilm Coatings. 1. 603–610. 1 indexed citations

Brown, Gordon E. & Georges Calas. (2012). Section 14. Does Size Matter? The Effect of Size on Nanoparticle Structure and Properties. 1. 611–627. 1 indexed citations

Calas, Georges, et al.. (2011). Environmental mineralogy – Understanding element behavior in ecosystems. Comptes Rendus Géoscience. 343(2-3). 90–112. 54 indexed citations

Maillot, Fabien, Guillaume Morin, Yuheng Wang, et al.. (2011). New insight into the structure of nanocrystalline ferrihydrite: EXAFS evidence for tetrahedrally coordinated iron(III). Geochimica et Cosmochimica Acta. 75(10). 2708–2720. 132 indexed citations

Wang, Yuheng, Guillaume Morin, Georges Ona-Nguéma, et al.. (2011). Distinctive Arsenic(V) Trapping Modes by Magnetite Nanoparticles Induced by Different Sorption Processes. Environmental Science & Technology. 45(17). 7258–7266. 86 indexed citations

Ona-Nguéma, Georges, Guillaume Morin, Yuheng Wang, et al.. (2010). XANES Evidence for Rapid Arsenic(III) Oxidation at Magnetite and Ferrihydrite Surfaces by Dissolved O₂ via Fe²⁺-Mediated Reactions. Environmental Science & Technology. 44(14). 5416–5422. 167 indexed citations

10.

Wang, Yuheng, Guillaume Morin, Georges Ona-Nguéma, et al.. (2009). Evidence for Different Surface Speciation of Arsenite and Arsenate on Green Rust: An EXAFS and XANES Study. Environmental Science & Technology. 44(1). 109–115. 97 indexed citations

11.

Ona-Nguéma, Georges, Guillaume Morin, Yuheng Wang, et al.. (2008). Arsenite sequestration at the surface of nano-Fe(OH)2, ferrous-carbonate hydroxide, and green-rust after bioreduction of arsenic-sorbed lepidocrocite by Shewanella putrefaciens. Geochimica et Cosmochimica Acta. 73(5). 1359–1381. 78 indexed citations

12.

Morin, Guillaume, Georges Ona-Nguéma, Yuheng Wang, et al.. (2008). Extended X-ray Absorption Fine Structure Analysis of Arsenite and Arsenate Adsorption on Maghemite. Environmental Science & Technology. 42(7). 2361–2366. 109 indexed citations

13.

Ona-Nguéma, Georges, Guillaume Morin, Farid Juillot, Georges Calas, & Gordon E. Brown. (2005). EXAFS Analysis of Arsenite Adsorption onto Two-Line Ferrihydrite, Hematite, Goethite, and Lepidocrocite. Environmental Science & Technology. 39(23). 9147–9155. 348 indexed citations

14.

Juillot, Farid, Guillaume Morin, Philippe Ildefonse, et al.. (2003). Occurrence of Zn/Al hydrotalcite in smelter-impacted soils from northern France: Evidence from EXAFS spectroscopy and chemical extractions. American Mineralogist. 88(4). 509–526. 97 indexed citations

15.

Morin, Guillaume, Farid Juillot, Corinne Casiot, et al.. (2003). Bacterial Formation of Tooeleite and Mixed Arsenic(III) or Arsenic(V)−Iron(III) Gels in the Carnoulès Acid Mine Drainage, France. A XANES, XRD, and SEM Study. Environmental Science & Technology. 37(9). 1705–1712. 170 indexed citations

16.

Morin, Guillaume, Farid Juillot, Georges Calas, et al.. (2002). EXAFS evidence of sorbed arsenic(V) and pharmacosiderite in a soil overlying the Echassieres geochemical anomaly, Allier, France. Bulletin de la Société Géologique de France. 173(3). 281–291. 51 indexed citations

17.

Morin, Guillaume, Farid Juillot, Philippe Ildefonse, et al.. (2001). Mineralogy of lead in a soil developed on a Pb-mineralized sandstone (Largentière, France). American Mineralogist. 86(1-2). 92–104. 48 indexed citations

18.

Morin, Guillaume, et al.. (1999). XAFS determination of the chemical form of lead in smelter-contaminated soils and mine tailings; importance of adsorption processes. American Mineralogist. 84(3). 420–434. 167 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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