119 citations · 406 across the 14 of their papers we have counts for
13 papers · 1 filter
Exploring the substrate-driven morphological changes in Nd0.6Sr0.4MnO3 thin films
R S Mrinaleni, E P Amaladass, S Amirthapandian +9
Manganite thin films are promising candidates for studying the strongly correlated electron systems. Understanding the growth-and morphology-driven changes in the physical properti…
Nano-molar to milli-molar level Ag (I) determination using absorption of light by ZnS QDs without organic ligand
Rabindra Nath Juine, S. Amirthapandian, S. Dhara +1
Despite of useful applications of Ag, it is hazardous to health and environment and hence early detection is required. Crystal defects influencing optical property is less likely u…
In-situ formation of SiGe alloy by electron beam evaporation and the effect of post deposition annealing on the energy band gap
Twisha Tah, Ch. Kishan Singh, S. Amirthapandian +5
We report the synthesis of polycrystalline (poly)-SiGe alloy thin films through solid state reaction of Si/Ge multilayer thin films on Si and glass substrates at low temperature of…
Flipping growth orientation of nanographitic structures by plasma enhanced chemical vapor deposition
Subrata Ghosh, K. Ganesan, S. R. Polaki +5
Nanographitic structures (NGSs) with multitude of morphological features are grown on SiO2/Si substrates by electron cyclotron resonance - plasma enhanced chemical vapor deposition…
Localized Charge Transfer Process and Surface Band Bending in Methane Sensing by GaN Nanowires
A. Patsha, P. Sahoo, S. Amirthapandian +5
The physicochemical processes at the surfaces of semiconductor nanostructures involved in electrochemical and sensing devices are strongly influenced by the presence of intrinsic o…
Novel single phase vanadium dioxide nanostructured films for methane sensing near room temperature
A. K. Prasad, S. Amirthapandian, S. Dhara +3
Methane (CH_4) gas sensing properties of novel vanadium dioxide (VO_2) nanostructured films is reported for the first time. The single phase nanostructures are synthesized by pulse…
Optical Properties of Mono-Dispersed AlGaN Nanowires in the Single-Prong Growth Mechanism
A. K. Sivadasan, Avinash Patsha, S. Polaki +5
Growth of mono-dispersed AlGaN nanowires of ternary wurtzite phase is reported using chemical vapour deposition technique in the vapour-liquid-solid process. The role of distributi…
Raoult's Formalism in Understanding Low Temperature Growth of GaN Nanowires using Binary Precursor
Kishore K. Madapu, S. Dhara, S. Amirthapandian +2
Growth of GaN nanowires are carried out via metal initiated vapor-liquid-solid mechanism, with Au as the catalyst. In chemical vapour deposition technique, GaN nanowires are usuall…
Growth of InN quantum dots to nanorods: A competition between nucleation and growth rates
Kishore K. Madapu, Sandip Dhara, S. Polaki +2
Growth evolution of InN nanostructures via a chemical vapor deposition technique is reported using In_2O_3 as precursor material and NH_3 as reactive gas in the temperature range o…
Direct Evidence of Mg Incorporation Pathway in Vapor-Liquid-Solid Grown p-type Nonpolar GaN Nanowires
Avinash Patsha, S. Amirthapandian, Ramanathaswamy Pandian +3
Doping of III-nitride based compound semiconductor nanowires is still a challenging issue to have a control over the dopant distribution in precise locations of the nanowire optoel…
Photoluminescence of oxygen vacancies and hydroxyl group surface functionalized SnO_2 nanoparticles
Venkataramana Bonu, Arindam Das, S. Amirthapandian +2
We report, for the first time, the luminescence property of the hydroxyl group surface functionalized quantum dots (QDs) and nanoparticles (NPs) of SnO_2 using low energy excitatio…
Optical band gap and associated band-tails in nanocrystalline AlN thin films grown by reactive IBSD at different substrate temperatures
Neha Sharma, Shilpam Sharma, K. Prabakar +4
AlN thin films have been grown on Si (100) substrates by reactive ion beam sputter deposition (IBSD) at different substrate temperatures varying from room temperature (RT) to 500oC…
Study of ion beam induced mixing in nano-layered Si/C multilayer structures
Ram Prakash, S. Amirthapandian, D. M. Phase +3
The effects of ion beam induced atomic mixing and subsequent thermal treatment in Si/C multilayer structures are investigated by use of the technique of grazing incidence X-ray dif…