Microwave and electrical properties of Co-Ti substituted M-type Ba hexagonal ferrite Harpreet Kaur, Charanjeet Singh, Randeep Kaur, Tanvi Dhiman and S. Bindra Narang Eur. Phys. J. B, 88 10 (2015) 274 Published online: 26 October 2015 DOI: 10.1140/epjb/e2015-60475-8