Crystal structure of a non-centrosymmetric system, CuY2Ge2O8

dc.contributor.authorCho, Hen_AU
dc.contributor.authorSim, Hen_AU
dc.contributor.authorLee, Sen_AU
dc.contributor.authorAvdeev, Men_AU
dc.contributor.authorNoda, Yen_AU
dc.contributor.authorPark, JGen_AU
dc.date.accessioned2021-08-24T20:34:51Zen_AU
dc.date.available2021-08-24T20:34:51Zen_AU
dc.date.issued2017-07-12en_AU
dc.date.statistics2021-08-16en_AU
dc.description.abstractA non-centrosymmeric material doesn’t have an inversion symmetry, which could lead to the intrinsic electric polarization. When this system consists of magnetic ions, the electric polarization of the system can be modified by a so-called magnetoelectric coupling under magnetic field. This multiferroic property has been widely studied not only for physical interest but also for industrial application. We synthesized both single crystal and polycrystalline samples of new multiferroic systems, Cu(Y,La) Ge and determined the crystal structure at 300 and 450 K using high-resolution powder and single crystal diffraction studies. According to our studies, both samples having magnetic Cu2+ ions has a monoclinic unit cell (space group I 1 1) without inversion symmetry. We also determined the high temperature structure that has a more symmetric orthorhombic unit cell (I m m 2). Using the structural information, we could calculate the theoretical electric polarization at room temperature phase and found that it reaches the electric polarization of 9.88 μC/cm2 along the a-axis.en_AU
dc.identifier.citationCho, H., Sim, H., Lee, S., Avdeev, M., Noda, Y., & Park, J.-G. (2017). Crystal structure of a non-centrosymmetric system, CuY2Ge2O8. 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.uriRetrieved from: http://www.icns2017.org/program.phpen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/11453en_AU
dc.language.isoenen_AU
dc.publisherInternational Conference on Neutron Scatteringen_AU
dc.subjectPolarizationen_AU
dc.subjectMagnetic fieldsen_AU
dc.subjectCrystal structureen_AU
dc.subjectMonocrystalsen_AU
dc.subjectPolycrystalsen_AU
dc.subjectDiffractionen_AU
dc.titleCrystal structure of a non-centrosymmetric system, CuY2Ge2O8en_AU
dc.typeConference Abstracten_AU
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