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  A hydrated crystalline calcium carbonate phase: Calcium carbonate hemihydrate

Zou, Z., Habraken, W., Matveeva, G., Jensen, A. C. S., Bertinetti, L., Hood, M. A., et al. (2019). A hydrated crystalline calcium carbonate phase: Calcium carbonate hemihydrate. Science, 363(6425), 396-400. doi:10.1126/science.aav0210.

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 Creators:
Zou, Zhaoyong1, Author
Habraken, Woutherus1, Author              
Matveeva, Galina1, Author
Jensen, Anders C. S.1, Author              
Bertinetti, Luca1, Author              
Hood, Matthew A.1, Author              
Sun, Chang-yu1, Author
Gilbert, Pupa U. P. A.1, Author
Polishchuk, Iryna1, Author
Pokroy, Boaz1, Author
Mahamid, Julia2, Author              
Politi, Yael1, Author
Weiner, Steve1, Author
Werner, Peter1, Author
Bette, Sebastian1, Author
Dinnebier, Robert1, Author
Kolb, Ute1, Author
Zolotoyabko, Emil1, Author
Fratzl, Peter1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Baumeister, Wolfgang / Molecular Structural Biology, Max Planck Institute of Biochemistry, Max Planck Society, ou_1565142              

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 Abstract: As one of the most abundant materials in the world, calcium carbonate, CaCO3, is the main constituent of the skeletons and shells of various marine organisms. It is used in the cement industry and plays a crucial role in the global carbon cycle and formation of sedimentary rocks. For more than a century, only three polymorphs of pure CaCO3—calcite, aragonite, and vaterite—were known to exist at ambient conditions, as well as two hydrated crystal phases, monohydrocalcite (CaCO3·1H2O) and ikaite (CaCO3·6H2O). While investigating the role of magnesium ions in crystallization pathways of amorphous calcium carbonate, we unexpectedly discovered an unknown crystalline phase, hemihydrate CaCO3·½H2O, with monoclinic structure. This discovery may have important implications in biomineralization, geology, and industrial processes based on hydration of CaCO3.

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Language(s): eng - English
 Dates: 2018-12-032019-01
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1126/science.aav0210
PMID: 30679371
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Title: Science
  Other : Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 363 (6425) Sequence Number: - Start / End Page: 396 - 400 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1