TY - JOUR
T1 - Solid-state chemistry
T2 - A hydrated crystalline calcium carbonate phase: Calcium carbonate hemihydrate
AU - Zou, Zhaoyong
AU - Habraken, Wouter J.E.M.
AU - Matveeva, Galina
AU - Jensen, Anders C.S.
AU - Bertinetti, Luca
AU - Hood, Matthew A.
AU - Sun, Chang Yu
AU - Gilbert, Pupa U.P.A.
AU - Polishchuk, Iryna
AU - Pokroy, Boaz
AU - Mahamid, Julia
AU - Politi, Yael
AU - Weiner, Steve
AU - Werner, Peter
AU - Bette, Sebastian
AU - Dinnebier, Robert
AU - Kolb, Ute
AU - Zolotoyabko, Emil
AU - Fratzl, Peter
N1 - Publisher Copyright: © 2019 American Association for the Advancement of Science.All right reserved.
PY - 2019/1/25
Y1 - 2019/1/25
N2 - As one of the most abundant materials in the world, calcium carbonate, CaCO 3 , 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 CaCO 3 -calcite, aragonite, and vaterite-were known to exist at ambient conditions, as well as two hydrated crystal phases, monohydrocalcite (CaCO 3 1H 2 O) and ikaite (CaCO 3 6H 2 O).While investigating the role of magnesium ions in crystallization pathways of amorphous calcium carbonate, we unexpectedly discovered an unknown crystalline phase, hemihydrate CaCO 3 =H 2 O, with monoclinic structure.This discovery may have important implications in biomineralization, geology, and industrial processes based on hydration of CaCO 3 .
AB - As one of the most abundant materials in the world, calcium carbonate, CaCO 3 , 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 CaCO 3 -calcite, aragonite, and vaterite-were known to exist at ambient conditions, as well as two hydrated crystal phases, monohydrocalcite (CaCO 3 1H 2 O) and ikaite (CaCO 3 6H 2 O).While investigating the role of magnesium ions in crystallization pathways of amorphous calcium carbonate, we unexpectedly discovered an unknown crystalline phase, hemihydrate CaCO 3 =H 2 O, with monoclinic structure.This discovery may have important implications in biomineralization, geology, and industrial processes based on hydration of CaCO 3 .
UR - http://www.scopus.com/inward/record.url?scp=85060541311&partnerID=8YFLogxK
U2 - https://doi.org/10.1126/science.aav0210
DO - https://doi.org/10.1126/science.aav0210
M3 - مقالة
SN - 0036-8075
VL - 363
SP - 396
EP - 400
JO - Science
JF - Science
IS - 6425
ER -