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Inverse photoemission spectroscopic studies on phase separated La$ {0.2}$Sr$ {0.8}$MnO$ {3}$ by Singh, Navneet; Maniraj, M.; Nayak, J.; Pandey, S. K.; Bindu, R. is a scholarly article available to read on EtoBox.

What is Inverse photoemission spectroscopic studies on phase separated La$ {0.2}$Sr$ {0.8}$MnO$ {3}$ about?

We have studied the temperature evolution of the inverse photoemission spectra of phase separated La$_{0.2}$Sr$_{0.8}$MnO$_{3}$. To identify the features in the room temperature experimental spectra, band structure calculations using Korringa-Kohn-Rostoker Green's function method were carried out. We find that the features generated by local moment disorder calculations give a better match with the experimental spectrum. In the insulating phase, we observed unusually an increased intensity at around the Fermi level. This puzzling behaviour is attributed to the shift in the chemical potential towards the conduction band. The present results clearly show the importance of unoccupied electronic states in better understanding of the phase separated systems.

Author

Singh, Navneet; Maniraj, M.; Nayak, J.; Pandey, S. K.; Bindu, R.

Published

2014

Language

EN