Ferroelectricity and lattice distortion associated with spin orderings in a multiferroic delafossite AgFeO2Noriki Terada, Dmitry D. Khalyavin, Pascal Manuel, Yoshihiro Tsujimoto, Kevin Knight, Paolo G. Radaelli, Hiroyuki S. Suzuki and Hideaki KitazawaEPJ Web of Conferences, 40 (2013) 15008DOI: https://doi.org/10.1051/epjconf/20134015008