Small angle neutron scatterings study on the cubic chiral crystal Pr5Ru3Al2

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dc.contributor.authorMakino, Ken_AU
dc.contributor.authorOkuyama, Den_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorOhishi, Ken_AU
dc.contributor.authorYamauchi, Ken_AU
dc.contributor.authorOguchi, Ten_AU
dc.contributor.authorSato, TJen_AU
dc.date.accessioned2021-08-27T00:59:35Zen_AU
dc.date.available2021-08-27T00:59:35Zen_AU
dc.date.issued2017-07-12en_AU
dc.date.statistics2021-08-16en_AU
dc.description.abstractThe helical magnetic structure has attracted renewed interests because of the discovery of novel topological spin textures, for example magnetic skyrmions and chiral magnetic soliton lattices. For such spin textures, a finite antisymmetric Dzyaloshinskii-Moriya-type interaction is crucial, activated in noncentrosymmetric crystals. To date, such antisymmetric interactions have been studied mainly in 3d magnets, and few studies have been performed on 4f rare-earth (RE) magnets. Recently, Murashova et al. reported the RE-based chiral compounds RE5Ru3Al2 (RE = La, Ce, and Pr) with the space group I213. Nonetheless, their low-temperature magnetism was largely unexplored. Combining detailed magnetization and small-angle-neutron-scattering (SANS) measurements, we have scrutinized magnetic orderings in the Pr5Ru3Al2 compound at low temperatures under finite magnetic fields. In the magnetization study, we found at least four ordered phases in the ranges 1.9 < T< 3.8 K and 0 < H < 2500 Oe. The SANS study, performed using TAIKAN at J-PARC, revealed that under zero external field, two phases exists, characterized by the two distinct directions of their magnetic modulation vectors, q1 = (q q q): |q1| ~ 0.12 r. l. u. below 3.3 K, and q2 = (q q 0) : |q2| ~ |q1| observed for 3.3 K < T < 3.8 K. The magnetic modulation vectors under finite fields were similarly assigned. A first-principle electronic structure calculation has been made to understand those low-temperature ordered phases.en_AU
dc.identifier.citationMakino. K., Okuyama, D., Avdeev, M., Ohishi, K., Yamauchi, K., Oguchi, T., & Sato, T. J. (2017). Small angle neutron scatterings study on the cubic chiral crystal Pr5Ru3Al2. Paper presented at ICNS 2017 (International Conference on Neutron Scattering), Daejeon, South Korea, 9 to 13 July 2017. Retrieved from: http://www.icns2017.org/program.phpen_AU
dc.identifier.conferenceenddate13 July 2017en_AU
dc.identifier.conferencenameICNS 2017 (International Conference on Neutron Scattering)en_AU
dc.identifier.conferenceplaceDaejeon, South Koreaen_AU
dc.identifier.conferencestartdate9 July 2017en_AU
dc.identifier.urihttp://www.icns2017.org/program.phpen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11535en_AU
dc.language.isoenen_AU
dc.publisherInternational Conference on Neutron Scatteringen_AU
dc.subjectMagnetic propertiesen_AU
dc.subjectSkyrme potentialen_AU
dc.subjectSolitonsen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectMagnetic fieldsen_AU
dc.subjectTemperature range 0065-0273 Ken_AU
dc.titleSmall angle neutron scatterings study on the cubic chiral crystal Pr5Ru3Al2en_AU
dc.typeConference Abstracten_AU
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