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Absence of quantum criticality and bulk 3D magnetism in green dioptase

Berlie, Adam; Terry, Ian

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Authors

Adam Berlie



Abstract

Green dioptase is a naturally occurring antiferromagnetic mineral that in recent years has been suggested as a candidate to exhibit quantum fluctuations at both above and below T N. Our work uses muon spectroscopy to study the dynamic and static properties of the magnetism in zero applied field. We observe the antiferromagnetic transition through tracking out the evolution of the muon spin precession frequency as a function of temperature. T N is calculated to be 15 K and the critical exponent of the transition matches with that of a 3D Heisenberg system. We also note that no evidence for any quantum magnetic fluctuations is observed either above or below T N.

Citation

Berlie, A., & Terry, I. (2017). Absence of quantum criticality and bulk 3D magnetism in green dioptase. European Physical Society Letters, 120(4), Article 47006. https://doi.org/10.1209/0295-5075/120/47006

Journal Article Type Article
Acceptance Date Jan 22, 2018
Online Publication Date Feb 9, 2018
Publication Date Nov 1, 2017
Deposit Date Feb 9, 2018
Publicly Available Date Mar 29, 2024
Journal Europhysics Letters
Print ISSN 0295-5075
Electronic ISSN 1286-4854
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 120
Issue 4
Article Number 47006
DOI https://doi.org/10.1209/0295-5075/120/47006

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Copyright Statement
This is an author-created, un-copyedited version of an article accepted for publication/published in EPL (Europhysics Letters). IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1209/0295-5075/120/47006





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