Search for loop currents in two-leg CuO ladders
First proposed by C.M. Varma, at the end of the 90's, to account for anomalous electronic properties observed in the phase diagram of the superconducting layered cuprates, the loop current (LC) phase has attracted more attention since its magnetic hallmark has been detected by polarized neutron diffraction in the pseudogap phase of 4 layered cuprate families, but also of a layered iridate compound. In addition, LCs are expected to exist in two-leg CuO ladders. Search for LCs in this system using polarized neutron diffraction has never been carried out so far in the literature. Therefore, we propose to investigate the existence of LCs in series of Sr(14-x)CaxCu24O41 compounds (with x=5 or 8) using polarized neutron scattering on D7.
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BOUNOUA Dalila; Bourges; MANGIN-THRO Lucile; PIOVANO Andrea and SIDIS Yvan. (2019). Search for loop currents in two-leg CuO ladders. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-53-286
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