Colossal and anomalous dielectric behavior in grain-oriented TiO2 Wang, Guojing ; Wang, Chunchang ; Zheng, Jun ; Wang, Shuting ; Ahmed, Rida ; Sun, Jie ; Wang, Jin ; Guo, Yufeng Abstract Publication: Journal of Materials Science Pub Date: March 2020 DOI: 10.1007/s10853-019-04283-0 Bibcode: 2020JMatS..55.3940W