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Epitaxial Crystal Growth of Nitratine on Calcite (10.4) Cleavage Faces at the Nanoscale

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Benages-Vilau, Raúl and Calvet, Teresa and Cuevas Diarte, Miguel Ángel and Pimentel, Carlos and Pina Martínez, Carlos Manuel (2013) Epitaxial Crystal Growth of Nitratine on Calcite (10.4) Cleavage Faces at the Nanoscale. Crystal growth and design, 13 . pp. 5397-5403. ISSN ISSN: 1528-7483, ESSN: 1528-7505

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Official URL: https://pubs.acs.org/journal/cgdefu



Abstract

In this article, we present a study of the epitaxial growth of nitratine (NaNO3) on calcite (CaCO3) from ethanolic solutions. By using sodium nitrate saturated solutions in ethanol we were able to observe the initial stages of nitratine crystallization on calcite (10.4) cleaved surfaces with atomic force microscopy (AFM). Although the oriented epitaxial growth of nitratine crystallites on calcite is independent from the solvent used (water, ethanol, or mixtures of them), the use of ethanolic solutions saturated with respect to nitratine is preferable for surface imaging in the AFM fluid cell. Additional nanotribology AFM experiments allowed us to measure shear strengths necessary to remove crystallites of nitratine from calcite (10.4) faces. On the basis of both AFM observations and measured shear strengths, the mechanism of epitaxial growth of nitratine on calcite (10.4) is discussed.


Item Type:Article
Uncontrolled Keywords:Nitratine on Calcite; Nanoscale; Crystal Growth
Subjects:Sciences > Geology > Crystallography
ID Code:50882
Deposited On:29 Jan 2019 13:13
Last Modified:07 Feb 2019 10:03

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