Professor
Subhabrata Dhar
Subhabrata Dhar
Research Interests
- Growth, transport and optical properties of semiconductors.
- Low dimensional semiconductors
- Semiconductor nanostructures
- Magnetic semiconductors
Google Scholar | Research Group
Courses Taken
- Introduction to condensed matter physics
- Superconductivity
- Physics of semiconductor devices
- Semiconductor physics
- Electricity and magnetism (1st year course)
- Numerical methods and programming
Selected Publications
2012
High electron mobility through the edge states in random networks of caxis oriented wedgeshaped GaN nanowalls grown by molecular beam epitaxy
H. P. Bhasker, Subhabrata Dhar, A. Sain, Manoj Kesaria and S. M. Shivaprasad
Appl. Phys. Lett. 101, 132109 (2012)
2012
Effect of surface groups on the luminescence property of ZnO nanoparticles synthesized by solgel route,
A. Sharma, B. P. Singh, Subhabrata Dhar, A. Gondorf, M. Spasova,
Surface Science. 606 L13 (2012)
2011
Two Distinct Origins of Highly Localized Luminescent Centers within InGaN/GaN QuantumWell LightEmitting Diodes,
S. De, A. Layek, A. Raja, A. Kadir, M. R. Gokhale, A. Bhattacharya, Subhabrata Dhar, and A. Chowdhury,
Adv. Func. Mater. 21, 3827 (2011)
2011
Optical detection of the defects associated with the magnetic properties observed in GaN:Gd layers grown by reactive molecular beam epitaxy,
J. K. Mishra, B. P. Singh, and Subhabrata Dhar,
Appl. Phys. Lett. 99, 072119 (2011)
2005
Colossal magnetic moment of Gd in GaN
Subhabrata Dhar, O. Brandt, M. Ramsteiner, V. F. Sapega and K. H. Ploog
Phys. Rev. Lett. 94, 037205 (2005).
2003
Origin of high temperatute ferromagnetism in (Ga,Mn)N layers grown by molecularbeam epitaxy
Subhabrata Dhar, O. Brandt, A. Trampert, K. J. Friedland, K. H. Ploog, J. Keller, B. Beschoten and G. Güntherodt
Appl. Phys. Lett. 82, 2077 (2003).