Investigation of high-pressure phases of Multiferroic Delafossite CuFeO2 by using CryoPAD and Hybrid-Anvil-Cell
We propose to perform neutron polarimetry analysis under high-pressure for multiferroic CuFeO2 using CryoPAD in combination with hybrid-anvil-cell developed by the user. The ferroelectric polarization in CuFeO2 is induced hydrostatic pressure as well as magnetic field, and impurity doping. Our recent high pressure experiment with unpolarized neutrons demonstrated drastic change in magnetic orderings from non-polar to polar phases in CuFeO2, which is unique behaviour in multiferroics.(N. Terada, P. Manuel et. al, PRB 89 220403(R) (2014)) For understanding the pressure-induced phase transitions in CuFeO2, it is essential to determine magnetic structure in the high-pressure phases by neutron polarimetry analysis.
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TERADA Noriki; CHAPON Laurent; MANUEL Pascal and QURESHI Navid. (2016). Investigation of high-pressure phases of Multiferroic Delafossite CuFeO2 by using CryoPAD and Hybrid-Anvil-Cell. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-51-514
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