%0 Journal Article %T Hour-glass magnetic excitations induced by nanoscopic phase separation in cobalt oxides %A Drees, Y. %A Li, Z. W. %A Ricci, A. %A Rotter, M. %A Schmidt, W. %A Lamago, D. %A Sobolev, O. %A Rütt, U. %A Gutowski, O. %A Sprung, M. %A Piovano, A. %A Castellan, J. P. %A Komarek, A. C. %J Nature Communications %V 5 %N 1 %P 1-9 %D 2014-12-23 %I Nature Publishing Group UK %~ DeepDyve