Effect of grain boundary layer strain on the magnetic and transport properties of (100−x) La0.7Ca0.3MnO3/(x) BaTiO3 composites showing enhanced magnetoresistance
1. Department of Solid State Physics, Indian Association for the Cultivation of Science, Kolkata 32, India;2. Department of Physics, National Sun Yat-Sen University, Kaohsiung, Taiwan 804, Republic of China