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Magnetic order and ballistic spin transport in a sine-Gordon spin chain [dataset] Open Access
We report the results of muon-spin spectroscopy (μ+SR) measurements on the staggered molecular spin chain [pym-Cu(NO3)2(H2O)2] (pym = pyrimidine), a material previously described using sine-Gordon field theory. Zero-field μ+SR reveals a long range magnetically ordered ground state below a transition temperature TN=0.23(1) K. Using longitudinal-field (LF) μ+SR we investigate the dynamic response in applied magnetic fields 0<B<500 mT and find evidence for ballistic spin transport. Our LF μ+SR measurements on the chiral spin chain [Cu(pym)(H2O)4]SiF6·H2O instead demonstrate one-dimensional spin diffusion, and the distinct spin transport in these two systems suggests that additional anisotropic interactions play an important role in determining the nature of spin transport in S=1/2 antiferromagnetic chains.
Descriptions
- Resource type
- Dataset
- Contributors
- Creator:
Lancaster, T.
1
Creator: Huddart, B. M. 1
Creator: Gomilsek, M. 2
Creator: Hicken, T. J. 1
Creator: Pratt, F. L. 3
Creator: Blundell, S. J. 4
Creator: Goddard, P. A. 5
Creator: Kaech, S. J. 6
Creator: Manson, J. L. 6
1 Durham University, UK
2 Jozef Stefan Institute, Slovenia
3 STFC-ISIS Facility, UK
4 University of Oxford, UK
5 University of Warwick, UK
6 Eastern Washington University, US
- Funder
-
Engineering and Physical Sciences Research Council
Science and Technology Facilities Council
National Science Foundation
European Research Council
Javna Agencija za Raziskovalno Dejavnost RS
- Research methods
- Other description
- Keyword
- Antiferromagnetism
Magnetism
1-dimensional spin chains
Density functional theory
Muon spin relaxation & rotation
- Subject
- Location
- Language
- English
- Cited in
- doi:10.1103/PhysRevB.103.L060405
- Identifier
- ark:/32150/r2bv73c042s
doi:10.15128/r2bv73c042s
- Rights
- Creative Commons Attribution 4.0 International (CC BY)
- Publisher
-
Durham University
- Date Created
File Details
- Depositor
- T. Lancaster
- Date Uploaded
- 26 January 2021, 09:01:30
- Date Modified
- 18 February 2021, 12:02:25
- Audit Status
- Audits have not yet been run on this file.
- Characterization
-
File format: zip (ZIP Format)
Mime type: application/zip
File size: 542820
Last modified: 2021:02:17 10:48:51+00:00
Filename: DATA_ARCHIVE.zip
Original checksum: 72df9631177cc43f89ea96341af5effc