Search Results - "Shivaprasad, S M"

Universal Metal-Semiconductor Hybrid Nanostructured SERS Substrate for Biosensing by Siddhanta, Soumik, Thakur, Varun, Narayana, Chandrabhas, Shivaprasad, S. M

“…We demonstrate here a novel high surface area GaN nanowall network substrate with plasmonic Ag nanodroplets, that can be employed as a highly sensitive,…”
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Structural, optical and electronic properties of a Mg incorporated GaN nanowall network by Nayak, Sanjay Kumar, Gupta, Mukul, Shivaprasad, S. M.

“…We report the growth of a Mg incorporated GaN nanowall network (NwN) by using a plasma assisted molecular beam epitaxy (PA-MBE) system that was characterized…”
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Charge transfer-induced enhancement of a Raman signal in a hybrid Ag-GaN nanostructure by Upadhyaya, Kishor, S, Sharvani, Ayachit, Narasimha, Shivaprasad, S. M

“…A hybrid system consisting of Ag nanoparticles dispersed onto a GaN nanowall network (GaN NWN) exhibited characteristic optical properties and electronic band…”
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Stability, Scale-up, and Performance of Quantum Dot Solar Cells with Carbonate-Treated Titanium Oxide Films by Kumar, P. Naresh, Kolay, Ankita, Deepa, Melepurath, Shivaprasad, S. M, Srivastava, Avanish K

“…A novel yet simple approach of carbonate (CBN) treatment of TiO2 films is performed, and quantum dot solar cells (QDSCs) with high power conversion…”
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Evidence for Dislocation Induced Spontaneous Formation of GaN Nanowalls and Nanocolumns on Bare C-Plane Sapphire by Kesaria, Manoj, Shetty, Satish, Shivaprasad, S. M

“…We demonstrate spontaneous growth of a high density of self-organized, oriented, and epitaxial GaN low-dimensional nanostructures on Al2O3(0001) by sheer…”
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Ion induced compositional changes and nanodroplet formation on GaN surface by Venugopal, Vinay, Upadhyaya, Kishor, Kumar, Kishore, Shivaprasad, S.M.

“…•In situ XPS of normally incident Ar+-ion bombardment of GaN epilayer surfaces.•Effect of ion fluence on surface composition and morphology.•Ion bombardment…”
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Spontaneous formation of GaN nanostructures by molecular beam epitaxy by Kesaria, Manoj, Shetty, Satish, Shivaprasad, S.M.

“…We have identified crystal growth conditions in plasma-assisted molecular beam epitaxy (PAMBE) that leads to spontaneous formation of GaN nanostructure like…”
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Superstructure of self-aligned hexagonal GaN nanorods formed on nitrided Si(111) surface by Kumar, Praveen, Tuteja, Mohit, Kesaria, Manoj, Waghmare, U. V., Shivaprasad, S. M.

“…We present here the spontaneous formation of catalyst-free, self-aligned crystalline (wurtzite) nanorods on Si(111) surfaces modified by surface nitridation…”
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Residual thermal desorption studies of Ga adatoms on trenched Si(5512) surface by Kumar, Praveen, Kumar, Mahesh, Shivaprasad, S.M.

“…•First report on Ga/Si(5512) desorption using AES and LEED observations.•Formation of Ga nanochains and 3D islands.•Ga induced superstructures formation on…”
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Microstructural and electrochromic properties of tungsten oxide thin films produced by surfactant mediated electrodeposition by Deepa, M., Srivastava, A.K., Sharma, S.N., Govind, Shivaprasad, S.M.

“…By electrochemically controlling the structure of the surface aggregates, the grain microstructure has been optimized to yield mesoporous thin films of…”
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Ga induced 2D superstructural phase diagram on trenched Si(5 5 12) surface by Kumar, Praveen, Kumar, Mahesh, Shivaprasad, S.M.

“…The high index Si(5 5 12) surface offers morphological trenches, which can be interesting for epitaxial growth. In this study, the evolution of Ga adsorption…”
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Early initiation of angiotensin-converting enzyme inhibitors in postrenal transplant period : a study from a state-run tertiary care center by Shivaprasad, S. M., Leelavathi, V., Lingaraju, Umesh, Sreeadhara, C. G., Narayanaswamy, Raghavendra

“…Angiotensin-converting enzyme inhibitors (ACEi) comprise a drug class, which are potent antihypertensives with renoprotective effects but are grossly…”
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XPS investigation of ion beam induced conversion of GaAs(0 0 1) surface into GaN overlayer by Kumar, Praveen, Kumar, Mahesh, Govind, Mehta, B.R., Shivaprasad, S.M.

“…For the advance of GaN based optoelectronic devices, one of the major barriers has been the high defect density in GaN thin films, due to lattice parameter and…”
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Electronic structure of GaN nanowall network analysed by XPS by Thakur, Varun, Shivaprasad, S.M.

“…•Electronic structure of nanostructured GaN probed by XPS.•Higher binding energy for different hybridized levels leading to a more stable electronic structure…”
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Angle-dependent XPS analysis of silicon nitride film deposited on screen-printed crystalline silicon solar cell by Singh, Priyanka, Shivaprasad, S.M., Lal, M., Husain, M.

“…In this work silicon nitride (Si 3N 4) film was deposited as an antireflection coating (ARC) on crystalline silicon solar cell (cell♯A) using plasma-enhanced…”
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Impact of doping on the morphology, structure and optical properties of c-oriented GaN nanorods by Kumar, Rajendra, Chatterjee, Abhijit, Shivaprasad, S M

“…[Display omitted] •PAMBE growth of GaN nanorods on Si(111) with Mg and Si doping demonstrated.•Mg doping enhances coalescence while Si doping increases…”
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Site‐specific angular dependent determination of inelastic mean free path of 300 keV electrons in GaN nanorods by Ghatak, Jay, Chatterjee, Abhijit, Shivaprasad, S. M.

“…Inelastic mean free path (IMFP) of the electron is a very important parameter for quantitative analysis of several electron spectroscopies and transport…”
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Ga-induced restructuring of Si(5 5 12 ) — 2 x 1 reconstructed surface at room temperature by KUMAR, Praveen, KUMAR, Mahesh, MEHTA, B. R, SHIVAPRASAD, S. M

“…Motivated by the need to form 1D-nanostructured dopants on silicon surfaces, we have attempted to grow Ga on the high index Si(5 5 12) surface which has a…”
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Surface sensitive probe of the morphological and structural aspects of CdSe core–shell nanoparticles by Sharma, Himani, Sharma, Shailesh N., Singh, Sukhvir, Kishore, Ram, Singh, Gurmeet, Shivaprasad, S.M.

“…The promising technological applications of colloids of CdSe nanoparticles in solid state devices is hampered due to issues related to their stoichiometry,…”
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Surface-modified CuO layer in size-stabilized single-phase Cu2O nanoparticles by Balamurugan, B., Mehta, B. R., Shivaprasad, S. M.

“…Activated reactive evaporation has been used to grow copper oxide nanoparticles in the size range of 8–100 nm. X-ray diffraction spectra clearly show the…”
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