Anisotropic dielectric and ferroelectric response of multiferroic LiCu2O2 in magnetic field Li Zhao, Kuo-Wei Yeh, Sistla Muralidhara Rao, Tzu-Wen Huang, Phillip Wu, Wei-Hsiang Chao, Chung-Ting Ke, Cheng-En Wu and Maw-Kuen Wu EPL, 97 3 (2012) 37004 Published online: 31 January 2012 DOI: 10.1209/0295-5075/97/37004