Determination of the crystal field levels in TmV2Al20

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dc.contributor.authorHutchison, WDen_AU
dc.contributor.authorWhite, Ren_AU
dc.contributor.authorStewart, GAen_AU
dc.contributor.authorIles, GNen_AU
dc.contributor.authorMole, RAen_AU
dc.contributor.authorCadogan, JMen_AU
dc.contributor.authorNamiki, Ten_AU
dc.contributor.authorNishimura, Ken_AU
dc.date.accessioned2022-06-29T00:44:52Zen_AU
dc.date.available2022-06-29T00:44:52Zen_AU
dc.date.issued2018-01-31en_AU
dc.date.statistics2021-10-11en_AU
dc.description.abstractThe interest in compounds of the RM2Al20-type (R = lanthanide, M = transition metal) in recent years reflects the fascinating physical and magnetic properties on display at low temperatures. For example, in PrV2Al20 and PrTi2Al20 the phenomena reported include a quadrupolar Kondo effect [1] and superconductivity [2]. Central to such systems is the cubic symmetry of the Pr3+ site inducing a non-magnetic ground state in the ion. As a hole analogue of the PrV2Al20 compound, TmV2Al20 has been investigated in the hope of observing similar phenomena at low temperatures. At last year’s ‘Wagga’ we reported that we had determined the Tm3+ crystal field parameters W = 0.42(1) and x = -0.63(1) [3] (based on the Lea, Leask and Wolf formalism [4]) for TmV2Al20 using inelastic neutron scattering on PELICAN at the OPAL reactor, Lucas Heights. However, the line shapes found were extremely broad Lorentzians, indicative of a coupling of crystal field states to conduction electrons, ‘smearing out’ the energy required for transitions. Here, we report more recent developments: Tm3+ electron spin resonance results together with modelling of physical properties lead to the conclusion that there is a small local distortion away from cubic symmetry.en_AU
dc.identifier.citationHutchinson, W. D., White, R., Stewart, G. A., Iles, G. N., Mole, R. A., Cadogan, J. M., Namiki, T., & Nishimura, K. (2018). Determination of the crystal field levels in TmV2Al20. Poster presented to the 42nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 30th January – 2nd February, 2018, (pp. 78). Retrieved from: https://physics.org.au/wp-content/uploads/cmm/2018/Wagga_2018_Conference_Handbook.pdfen_AU
dc.identifier.conferenceenddate2 February 2018en_AU
dc.identifier.conferencename42nd Annual Condensed Matter and Materials Meetingen_AU
dc.identifier.conferenceplaceWagga Wagga, NSWen_AU
dc.identifier.conferencestartdate30 January 2018en_AU
dc.identifier.pagination78en_AU
dc.identifier.urihttps://physics.org.au/wp-content/uploads/cmm/2018/Wagga_2018_Conference_Handbook.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13321en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Physicsen_AU
dc.subjectCrystalsen_AU
dc.subjectThuliumen_AU
dc.subjectVanadiumen_AU
dc.subjectRare earthen_AU
dc.subjectMagnetic propertiesen_AU
dc.subjectTemperature range 0065-0273 Ken_AU
dc.subjectCrystal fielden_AU
dc.subjectInelastic scatteringen_AU
dc.subjectMeasuring instrumentsen_AU
dc.subjectSpinen_AU
dc.subjectSymmetryen_AU
dc.titleDetermination of the crystal field levels in TmV2Al20en_AU
dc.typeConference Posteren_AU
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