AFM images of dissolution and growth on a calcite crystal

P. E. Hillner, Srinivas Manne, A. J. Gratz, P. K. Hansma

Research output: Contribution to journalArticle

144 Citations (Scopus)

Abstract

We present atomic-force-microscope (AFM) images of aqueous dissolution and growth of monolayers on the cleavage plane of calcite. These processes were observed in real time and in situ. Dissolution in 0.015N NaOH occured primarily by faceting and expansion of pre-existing surface pits and by removal of islands. No new dissolution sites were observed to nucleate during this process. We also observed a simple growth sequence wherein CaCO3 monolayers were deposited on the calcite surface by uniformly advancing steps. Atomic resolution was readily obtained, even at larger-scale features such as steps and etch pits. This shows the potential of the AFM to study deposition and removal of individual molecules on a crystal surface in solution.

Original languageEnglish (US)
Pages (from-to)1387-1393
Number of pages7
JournalUltramicroscopy
Volume42-44
Issue numberPART 2
DOIs
StatePublished - 1992
Externally publishedYes

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Calcium Carbonate
Calcite
calcite
dissolving
Dissolution
Microscopes
microscopes
Crystals
Monolayers
crystals
crystal surfaces
cleavage
Molecules
expansion
molecules

ASJC Scopus subject areas

  • Materials Science(all)
  • Instrumentation

Cite this

AFM images of dissolution and growth on a calcite crystal. / Hillner, P. E.; Manne, Srinivas; Gratz, A. J.; Hansma, P. K.

In: Ultramicroscopy, Vol. 42-44, No. PART 2, 1992, p. 1387-1393.

Research output: Contribution to journalArticle

Hillner, PE, Manne, S, Gratz, AJ & Hansma, PK 1992, 'AFM images of dissolution and growth on a calcite crystal', Ultramicroscopy, vol. 42-44, no. PART 2, pp. 1387-1393. https://doi.org/10.1016/0304-3991(92)90454-R
Hillner, P. E. ; Manne, Srinivas ; Gratz, A. J. ; Hansma, P. K. / AFM images of dissolution and growth on a calcite crystal. In: Ultramicroscopy. 1992 ; Vol. 42-44, No. PART 2. pp. 1387-1393.
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