Yukio Noda; H Kimura; H Sawa; K Kohn; N Ikeda; S Kobayashi; Y Ishikawa; Y Kamada; Y Wakabayashi
(The Korean Physical Society, 2007-08)
RMn2O5 (R = Y and rare earth) shows successive magnetic and ferroelectric phase transitions at about 45 K, 40 K, 39 K, 20 K and 10 K and is called a multiferroic compound. We have investigated the lattice modulation vectors ...