43 citations · 158 across the 8 of their papers we have counts for
8 papers
Electrochemical doping in H-terminated diamond films: Impact of O-functionalization and insights from in-situ Raman spectro electrochemistry
N. Mohasin Sulthana, P. K. Ajikumar, K. Ganesan
The p-type surface conductivity of H-terminated diamond (HD, H-diamond) has created new path ways for developing diamond based electronic devices as well as chemical and bio-sensor…
Unusual gas sensor response and semiconductor-to-insulator transition in WO3-x nanostructures : The role of oxygen vacancy
K. Ganesan, P. K. Ajikumar
WO3-x thinfilms featuring petal-like and lamella-like nanostructures are grown under controlled oxygen partial pressures using hot filament chemical vapor deposition. These synthes…
Enhanced sensitivity of partial O-terminated H-diamond for H2S detection at room temperature
N. Mohasin Sulthana, K. Ganesan, P. K. Ajikumar
The p-type surface conductivity of H-terminated diamond (HD) has opened new path ways to develop diamond based electronic devices, photo-catalysts, chemical and bio-sensors. Herein…
Aging Effects on Vertical Graphene Nanosheets and their Thermal Stability
Subrata Ghosh, S. R. Polaki, Aji Kumar +2
Vertical Graphene Nano sheets (VGN) have become promising candidates for a wide range of applications due to their unique architecture and remarkable properties. However, utilizati…
Raman and photoluminescence spectroscopic studies on structural disorder in oxygen deficient Gd2Ti2O7-d single crystals
M. Suganya, K. Ganesan, P. Vijayakumar +6
We report on Raman and photoluminescence spectroscopic studies on oxygen vacancy induced structural disorder in Gd2Ti2O7-d single crystals grown by optical floating zone technique…
Structural, Raman and photoluminescence studies on nanocrystalline diamond films: Effects of ammonia in feedstock
K. Ganesan, P. K. Ajikumar, S. K. Srivatava +1
Herein, we report on the improvement of structural quality and enhancement of photoluminescence (PL) emission for an optimally N doped nanocrystalline diamond (NCD) film. Pure and…