Resolving the Control of Magnesium on Calcite Growth: Thermodynamic and Kinetic Consequences of Impurity Incorporation for Biomineral Formation

@article{Davis2000ResolvingTC,
  title={Resolving the Control of Magnesium on Calcite Growth: Thermodynamic and Kinetic Consequences of Impurity Incorporation for Biomineral Formation},
  author={K. J. Davis and P. Dove and J. D. Yoreo},
  journal={MRS Proceedings},
  year={2000},
  volume={620}
}
Magnesium is a key determinant in CaCO 3 biomineral formation and has recently emerged as an important paleotemperature proxy. Atomic force microscopy (AFM) was used to determine the fundamental thermodynamic and kinetic controls of Mg 2+ on calcite morphology and growth. Comparison of directly measured monomolecular step velocities ( v s± ) to theoretical crystal growth impurity models demonstrated calcite inhibition due to enhanced mineral solubility through Mg 2+ incorporation. Terrace width… Expand
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