30 citations · 46 across the 3 of their papers we have counts for
5 papers · 1 filter
Spectroscopic investigation of native defects induced electron-phonon coupling in GaN nanowires
Santanu Parida, Avinash Patsha, Santanu Bera +1
The integration of advanced optoelectronic properties in nanoscale devices of group III nitride can be realized by understanding the coupling of charge carriers with optical excita…
Role of 1-D finite size Heisenberg chain in increasing metal to insulator transition temperature in hole rich VO2
Raktima Basu, Manas Sardar, Santanu Bera +2
VO2 samples are grown with different oxygen concentrations leading to different monoclinic, M1 and triclinic, T insulating phases which undergo a first order metal to insulator tra…
Piezoelectric Domains in the AlGaN Hexagonal Microrods: Effect of Crystal Orientations
A. K. Sivadasan, G. Mangamma, S. Bera +2
Presently, the piezoelectric materials are finding tremendous applications in the micro-mechanical actuators, sensors and self-powered devices. In this context, the studies pertain…
Optical absorption and photoluminescence spectroscopy of the growth of silver nanoparticles
P. Gangopadhyay, R. Kesavamoorthy, Santanu Bera +4
Results obtained from the optical absorption and photoluminescence (PL) spectroscopy experiments have shown the formation of excitons in the silver-exchanged glass samples. These f…
Ion-beam induced 1D to 3D periodic transformation in nanostructured multilayers
S. Bera, B. Satpati, K. Bhattacharjee +2
Ion-irradiation-induced modifications of a periodic Pt/C multilayer system containing Fe impurity have been analyzed by transmission electron microscopy (TEM). The multilayer stack…