Quasielastic intensity distribution and dispersion of low-energy magnetic excitations in Ce(1-x)La(x)B6 (x = 0.23, 0.28)
In a number of recent experiments on the pure CeB6 compound, we have revealed strong quasielastic inten-sity in the normal (paramagnetic) state with a rich momentum-space structure. Below the antiferromagnetic (AFM) transition temperature, TN = 2.3K, this intensity gave rise to sharp collective modes. Under the influence of La doping, these modes were shown to change drastically. They vanished completely near 28% La concentra-tion, transforming into a purely quasielastic signal in zero field. Here we suggest to map out the dispersion of such low-energy modes in two single crystals with different La concentrations, 23% and 28%, to understand the changes in the magnetic intensity distribution with respect to the parent compound.
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- Ce0 25La0 75B6
- Ce0 5La0 5B6
- Ei 3 28meV
- Hz
- Physics
- Rot
- Rot 40
- Rot 41 2
- Rot 50
- Rot 85
- T 1 8K
- T Cooling
- WB
- White
- _Rot
- all
- beam
- bot
- c s
- chop5
- others
- stopped
- top
- vanadium
- vgap
Provenance | |
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Creator | Professor Dmytro Inosov; Mr Pavlo Portnichenko; Dr Joshua Lim; Mr Maksym Surmach; Dr Anil Jain; Dr Rob Bewley; Dr Alistair Cameron |
Publisher | ISIS Neutron and Muon Source |
Publication Year | 2018 |
Rights | CC-BY Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/ |
OpenAccess | true |
Contact | isisdata(at)stfc.ac.uk |
Representation | |
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Resource Type | Dataset |
Discipline | Natural Sciences; Physics |
Temporal Coverage Begin | 2014-05-07T23:00:00Z |
Temporal Coverage End | 2015-07-05T07:41:47Z |