Polar state induced by block-type lattice distortions in BaFe2Se3 with quasi-one-dimensional ladder structure
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DOI: 10.1103/physrevb.99.241109
Abstract: Temperature dependent crystal structures of the quasi-one-dimensional ladder material BaFe2Se3 are examined. Combining the optical second harmonic generation (SHG) experiments and neutron diffraction measurements, we elucidate the crystal structure with Pmn2_1 space group in the… read more here.
Keywords: type lattice; quasi one; block type; one dimensional ... See more keywords