Uncertainty Estimates for Magnetic Relaxation Times and Magnetic Relaxation Parameters

15 July 2019, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

We describe a method for obtaining uncertainties in magnetic relaxation times from AC susceptibility experiments. We provide a program for fitting AC data and the resulting magnetic relaxation times accounting for the uncertainties correctly, to give magnetic relaxation parameters with accurate uncertainties. We show that the implicit distributions in the magnetic relaxation times have large consequences for the uncertainties in the model parameters, and that the magnitude of these uncertainties appear to correlate with crystallographic disorder in three families of high-performance Dy(III) single-molecule magnets.

Keywords

magnetism
Molecular Magnetism
single-molecule magnetism
Magnetic Relaxation

Supplementary materials

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debye paper
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SI
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