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  Reentrant phase transformation from crystalline ikaite to amorphous calcium carbonate

Zou, Z., Bertinetti, L., Habraken, W., & Fratzl, P. (2018). Reentrant phase transformation from crystalline ikaite to amorphous calcium carbonate. CrystEngComm, 20(21), 2902-2906. doi:10.1039/C8CE00171E.

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 Creators:
Zou, Zhaoyong1, Author           
Bertinetti, Luca2, Author           
Habraken, Wouter1, Author           
Fratzl, Peter3, Author           
Affiliations:
1Wouter Habraken (Indep. Res.), Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2231638              
2Luca Bertinetti (Indep. Res.), Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2231637              
3Peter Fratzl, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863294              

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 Abstract: We report the spontaneous transformation of highly hydrated crystalline ikaite into less hydrated amorphous calcium carbonate (ACC), which has the outer contours of micrometer-sized crystals, a multi-level interconnected porous structure and a very high specific surface area (98.3 cm2 g-1). The ikaite was previously obtained by transformation of an uncommon hydrated ACC with as much H2O as ikaite, synthesized at 2 °C without any additives. The solid-state amorphization was induced by the fast dehydration of the crystal.

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 Dates: 2018-04-182018
 Publication Status: Issued
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 Identifiers: DOI: 10.1039/C8CE00171E
PMID: 0552
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Title: CrystEngComm
  Other : CrystEngComm
Source Genre: Journal
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Publ. Info: London : Royal Society of Chemistry
Pages: - Volume / Issue: 20 (21) Sequence Number: - Start / End Page: 2902 - 2906 Identifier: ISSN: 1466-8033