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April 1, 2026Open Access

Dissolution Processes at Step Edges of Calcite in Water Investigated by High-Speed Frequency Modulation Atomic Force Microscopy and Simulation

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Authors

KMKazuki MiyataJTJohn TraceyKMKeisuke Miyazawa

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Implication

High-speed frequency modulation AFM reveals atomistic dissolution processes at calcite step edges in water, suggesting new insights for future studies.

Key Points

  • This research aims to understand the dissolution processes at step edges of calcite in water using advanced imaging techniques.
  • Developed high-speed frequency modulation AFM for atomic-resolution imaging in liquid.
  • Imaged nanostructures around moving step edges of calcite during dissolution.
  • Conducted simulations to support findings on transition regions formed along step edges.
  • Achieved imaging speed of approximately 1 second per frame, significantly faster than conventional AFM.
  • Identified a transition region of a few nanometers at step edges during dissolution.
  • Proposed the formation of a Ca(OH)2 monolayer as an intermediate state in the dissolution process.

Cite This Study

Miyata et al. (2017) studied this question.

synapsesocial.com/papers/69cd7b155652765b073a8d81https://doi.org/10.24517/00010850
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  5. 5Stochastic Assessment of Dissolution at Fluid‐Mineral Interfaces2024 · 6 citations