(1) Department of Physics, Aligarh Muslim University, 202 002 Aligarh, India;(2) Aruna Asaf Ali Marg, Nuclear Science Center, 110 067 New Delhi, India;(3) Department of Physics, University of Pune, 400 017 Pune, India
Abstract:
The structural and electronic transport properties of La1−xCexMnO3 (x=0.0–1.0) have been studied. All the samples exhibit orthorhombic crystal symmetry and the unit cell volume decreases with Ce doping. They also make a metal-insulator transition (MIT) and transition temperature increases with increase in Ce concentration up to 50% doping. The system La0.5Ce0.5MnO3 also exhibits MIT instead of charge-ordered state as observed in the hole doped systems of the same composition.