Low temperature magnetism of KAgF3
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arXiv
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2022
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| _version_ | 1866929757864591360 |
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| author | Wilkinson, John M. Blundell, Stephen J. Biesenkamp, Sebastian Braden, Markus Koteras, Kacper Grochala, Wojciech Barone, Paolo Lorenzana, José Mazej, Zoran Tavčar, Gašper |
| author_facet | Wilkinson, John M. Blundell, Stephen J. Biesenkamp, Sebastian Braden, Markus Koteras, Kacper Grochala, Wojciech Barone, Paolo Lorenzana, José Mazej, Zoran Tavčar, Gašper |
| contents | KAgF$_3$ is a quasi one-dimensional quantum antiferromagnet hosting a series of intriguing structural and magnetic transitions. Here we use powder neutron diffraction, $μ$SR spectroscopy, and Density Functional Theory calculations to elucidate the low temperature magnetic phases. Below $T_{N1}=29$K we find that the material orders as an A-type antiferromagnet with an ordered moment of 0.47$μ_{\rm B}$. Both neutrons and muons provide evidence for an intermediate phase at temperatures $T_{N1}<T<T_{N2}$ with $T_{N2}\approx 66$ K from a previous magnetometry study. However, the evidence is at the limit of detection and its nature remains an open problem. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2212_08886 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Low temperature magnetism of KAgF3 Wilkinson, John M. Blundell, Stephen J. Biesenkamp, Sebastian Braden, Markus Koteras, Kacper Grochala, Wojciech Barone, Paolo Lorenzana, José Mazej, Zoran Tavčar, Gašper Strongly Correlated Electrons Materials Science KAgF$_3$ is a quasi one-dimensional quantum antiferromagnet hosting a series of intriguing structural and magnetic transitions. Here we use powder neutron diffraction, $μ$SR spectroscopy, and Density Functional Theory calculations to elucidate the low temperature magnetic phases. Below $T_{N1}=29$K we find that the material orders as an A-type antiferromagnet with an ordered moment of 0.47$μ_{\rm B}$. Both neutrons and muons provide evidence for an intermediate phase at temperatures $T_{N1}<T<T_{N2}$ with $T_{N2}\approx 66$ K from a previous magnetometry study. However, the evidence is at the limit of detection and its nature remains an open problem. |
| title | Low temperature magnetism of KAgF3 |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2212.08886 |