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Energy-gap driven low-temperature magnetic and transport properties in Cr1/3MS2 (M = Nb, Ta) [dataset] Open Access
The helimagnets Cr1/3MS2 (M = Nb or Ta) have attracted renewed attention due to the discovery of a chiral soliton lattice (CSL) stabilized in an applied magnetic field, but reports of unusual low-temperature transport and magnetic properties in this system lack a unifying explanation. Here, we present electronic structure calculations that demonstrate the materials are half metals. There is also a gaplike feature (width in range 40–100 meV) in the density of states of one spin channel. This electronic structure explains the low-temperature electronic and magnetic properties of Cr1/3MS2 (M = Nb or Ta), with the gaplike feature particularly important for explaining the magnetic behavior. Our magnetometry measurements confirm the existence of this gap. Dynamic spin fluctuations driven by excitations across this gap are seen over a wide range of frequencies (0.1 Hz to MHz) with ac susceptibility and muon-spin relaxation (μ+SR) measurements. We show further how effects due to the CSL in Cr1/3NbS2, as detected with μ+SR, dominate over the gap driven magnetism when the CSL is stabilizedas the majority phase.
Descriptions
- Resource type
- Dataset
- Contributors
- Creator:
Hicken, T
1
Creator: Hawkhead, Z 1
Creator: Wilson, M 1
Creator: Huddart, B 1
Creator: Hall, A 2
Creator: Balakrishnan, G 2
Creator: Wang, C 3
Creator: Pratt, F 4
Creator: Clark, S 1
Creator: Lancaster, T 1
Contact person: Lancaster, T 1
1 Durham University, UK
2 University of Warwick, UK
3 Paul Scherrer Institut, Switzerland
4 ISIS Neutron and Muon Source, UK
- Funder
-
Engineering and Physical Sciences Research Council
- Research methods
-
Density functional theory
Magnetometry
Muon-spin spectroscopy
- Other description
-
In addition to these data, raw data measured at ISIS Neutron and Muon Source can be obtained from the following DOI: https://doi.org/10.5286/ISIS.E.RB2010327
- Keyword
- AC susceptibility measurements
Muon spin spectroscopy
Electronic structure
Seebeck effect
Chiral magnets
- Subject
-
Physics
Condensed matter
Magnetism
- Location
- Language
- English
- Cited in
- doi:10.1103/PhysRevB.105.L060407
- Identifier
- ark:/32150/r25138jd90p
doi:10.15128/r25138jd90p
- Rights
- Creative Commons Attribution 4.0 International (CC BY)
- Publisher
-
Durham University
- Date Created
File Details
- Depositor
- T.J. Hicken
- Date Uploaded
- 14 February 2022, 16:02:35
- Date Modified
- 24 February 2022, 17:02:19
- Audit Status
- Audits have not yet been run on this file.
- Characterization
-
File format: zip (ZIP Format)
Mime type: application/zip
File size: 5332680
Last modified: 2022:02:14 16:52:39+00:00
Filename: data_archive.zip
Original checksum: 65331e13b8570efb7ebfbe6d6995d4ab
| User Activity | Date |
|---|---|
| User N. Syrotiuk has updated Energy-gap driven low-temperature magnetic and transport properties in Cr1/3MS2 (M = Nb, Ta) [dataset] | almost 3 years ago |
| User T.J. Hicken has updated Energy-gap driven low-temperature magnetic and transport properties in Cr1/3MS2 (M = Nb, Ta) | almost 3 years ago |
| User T.J. Hicken has updated Energy-gap driven low-temperature magnetic and transport properties in Cr1/3MS2 (M = Nb, Ta) | almost 3 years ago |
| User T.J. Hicken has updated Energy-gap driven low-temperature magnetic and transport properties in Cr1/3MS2 (M = Nb, Ta) | almost 3 years ago |
| User T.J. Hicken has deposited data_archive.zip | almost 3 years ago |