.. _func-ActivationK:

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ActivationK
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.. index:: ActivationK

Description
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The ActivationK fitting function can be written as:

.. math:: y = A_R e^{-\frac{b}{x}}

where:
- A_R - Attempt Rate
- b - Barrier energy
- x - is in Kelvin


Alternatively use the `ActivationmeV <func-ActivationmeV>` fitting function when fitting to meV.

Examples
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An example of when this might be used is for examining the ion dynamics in flouride-containing polyatomic anion cathodes using muon spectroscopy [1].



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References
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[1] Johnston, B. I., Baker, P. J. & Cussen, S. A. (2021). Ion dynamics in flouride-containing polyatomic anion cathodes by muon spectroscopy. Journal of Physics:Materials, Vol. 4 No. 4, `https://iopscience.iop.org/article/10.1088/2515-7639/ac22ba <https://iopscience.iop.org/article/10.1088/2515-7639/ac22ba>`_.

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