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Biferroic YCrO3
Claudy Rayan Serrao, Asish K. Kundu, S. B. Krupanidhi +2
YCrO3 which has a monoclinic structure, shows weak ferromagnetism below 140 K (TN) and a ferroelectric transition at 473 K accompanied by hysteresis. We have determined the structu…
Localized Orbital Description of Electronic Structure
Joydeep Bhattacharjee, Umesh V Waghmare
We present a simple and general method for construction of localized orbitals to describe electronic structure of extended periodic metals and insulators as well as confined system…
The Nature of Vibrations of a 2-D Disordered Lattice Model with Nano-scale Order
Prasenjit Ghosh, Umesh V. Waghmare
Motivated by the unusual soft mode anomalies in the relaxor ferroelectrics, we present a numerical study of vibrational excitations of a disordered lattice model with chemical orde…