Dr. A. K. Sivadasan; MSc, PhD
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Invoking forbidden modes in SnO2 nanoparticles using tip enhanced Raman spectroscopy
V Bonu, A Das, AK Sivadasan, AK Tyagi, S Dhara
Journal of Raman spectroscopy 46 (11), 1037-1040, 2015
Optical Properties of Mono-Dispersed AlGaN Nanowires in the Single-Prong Growth Mechanism
AK Sivadasan, A Patsha, S Polaki, S Amirthapandian, S Dhara, ...
Crystal Growth & Design 15 (3), 1311–1318, 2015
Optically confined polarized resonance Raman studies in identifying crystalline orientation of sub-diffraction limited AlGaN nanostructure
AK Sivadasan, A Patsha, S Dhara
Applied Physics Letters 106 (17), 173107-4, 2015
Spectroscopically forbidden infra-red emission in Au-vertical graphene hybrid nanostructures
AK Sivadasan, S Parida, S Ghosh, R Pandian, S Dhara
Nanotechnology 28 (46), 465703, 2017
Effect of annealing on the structural properties of vertical graphene nanosheets
S Ghosh, K Ganesan, SR Polaki, AK Sivadasan, M Kamruddin, AK Tyagi
Advanced Science, Engineering and Medicine 8, 1-4, 2016
Microwave assisted hydrolysis of aluminium metal and preparation of high surface area γ Al 2 O 3 powder
AK Sivadasan, IP Selvam, SN Potty
Bulletin of Materials Science 33 (6), 737-740, 2010
Effect of scattering efficiency in the tip-enhanced Raman spectroscopic imaging of nanostructures in the sub-diffraction Limit
AK Sivadasan, A Patsha, A Maity, TK Chini, S Dhara
The Journal of Physical Chemistry C 121 (48), 26967-26975, 2017
Light-matter interaction of single semiconducting AlGaN nanowire and noble metal Au nanoparticle in the sub-diffraction limit
AK Sivadasan, KK Madapu, S Dhara
Physical Chemistry Chemical Physics 18 (34), 23680-23685, 2016
Piezoelectric domains in the AlGaN hexagonal microrods: Effect of crystal orientations
AK Sivadasan, G Mangamma, S Bera, M Kamruddin, S Dhara
Journal of Applied Physics 119 (17), 174304-9, 2016
Observation of surface plasmon polaritons in 2D electron gas of surface electron accumulation in InN nanostructures
KK Madapu, AK Sivadasan, M Baral, S Dhara
Nanotechnology 29 (27), 275707, 2018
Optical properties of AlGaN nanowires synthesized via ion beam techniques
S Parida, P Magudapathy, AK Sivadasan, R Pandian, S Dhara
Journal of Applied Physics 121 (20), 205901, 2017
Role of polarized tip-enhanced Raman spectroscopy in the enhancement of interface optical phonon modes in AlGaN multi-quantum wells
AK Sivadasan, P Dhara, C Singha, R Basu, S Parida, A Bhattacharyya, ...
arXiv preprint arXiv:1810.02651, 2018
Surface optical phonon modes in hexagonal shaped Al 0.97 Ga 0.03 N nanostructures
AK Sivadasan, C Singha, KG Raghavendra, S Amirthapandian, ...
Applied Physics A 123 (8), 1-8, 2017
Far field photoluminescence imaging of single AlGaN nanowire in the sub-wavelength scale using confinement of polarized light
AK Sivadasan, M Sardar, S Dhara
Annalen der Physik 529 (3), 1600165, 2016
Polarized Raman and photoluminescence studies of a sub‐micron sized hexagonal AlGaN crystallite for structural and optical properties
AK Sivadasan, S Dhara
Journal of Raman Spectroscopy 47 (6), 656-661, 2016
Near field scanning optical imaging of gold nanoparticles in the sub-wavelength limit
P Dhara, AK Sivadasan
arXiv preprint arXiv:1705.07416, 2017
Effect of Ar+ implantation on the optical properties of Al/GaN nanowires
S Parida, P Magudapathy, AK Sivadasan, A Patsha, S Dhara
AIP conference proceedings 1832 (1), 050092, 2017
Interface phonon modes in the [AlN/GaN] 20 and [Al 0.35 Ga 0.65 N/Al 0.55 Ga 0.45 N] 20 2D multi-quantum well structures
AK Sivadasan, C Singha, A Bhattacharyya, S Dhara
Physical Chemistry Chemical Physics 18 (43), 29864-29870, 2016
Crystallization of PECVD grown Si nanowire and its characterization using confocal Raman and EELS studies
N Ahmed, P Ramasamy, PB Bhargav, AK Sivadasan, S Amirthapandian, ...
Journal of Materials Science: Materials in Electronics 32 (1), 204-209, 2021
Plasmonic assisted forbidden emission in Au-vertical graphene hybrid nanostructure. O. 13
S Parida, AK Sivadasan, R Pandian, SR Polaki, S Dhara
Proceedings of the national conference on light matter interaction at nanoscale, 2019
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Articles 1–20