A5100627112- Ion-surface interactions and analysis
- Nonlinear Optical Materials Studies
- Diamond and Carbon-based Materials Research
- Metal and Thin Film Mechanics
- Nuclear materials and radiation effects
- Cancer Treatment and Pharmacology
- Luminescence Properties of Advanced Materials
- Natural product bioactivities and synthesis
- Reproductive Biology and Fertility
- Sperm and Testicular Function
- Nuclear Materials and Properties
- Advanced Thermoelectric Materials and Devices
- Thermal properties of materials
- Graphene research and applications
- Biological Activity of Diterpenoids and Biflavonoids
- Electronic and Structural Properties of Oxides
- Gold and Silver Nanoparticles Synthesis and Applications
- Electromagnetic Scattering and Analysis
- Reproductive Physiology in Livestock
- Quantum Dots Synthesis And Properties
- Organic and Inorganic Chemical Reactions
- Microbial Natural Products and Biosynthesis
- Chemical Synthesis and Reactions
- Thin-Film Transistor Technologies
- Advanced Antenna and Metasurface Technologies
University Hospitals of North Midlands NHS Trust
2022-2023
Indira Gandhi Centre for Atomic Research
2010-2022
Command Hospital
2022
Raja Ramanna Centre for Advanced Technology
2021
Homi Bhabha National Institute
2021
Indian Veterinary Research Institute
2015
Council of Scientific and Industrial Research
2014
Central Institute of Medicinal and Aromatic Plants
1995-2014
North Eastern Hill University
2002
Memorial University of Newfoundland
1985-1986
Abstract VO 2 is well known for its first order, reversible, metal-to-insulator transition (MIT) along with a simultaneous structural phase (SPT) from high-temperature metallic rutile tetragonal (R) to an insulating low-temperature monoclinic (M1) via two other metastable phases of M2 and triclinic T. At the same time, gains tremendous attention because half-a-century-old controversy over origin, whether electron-electron correlation or electron-phonon coupling trigger transition. In this...
In spite of the large amount tribological work carried out to explain friction and wear mechanism in diamond-like carbon (DLC) films, some core issues relating evolution reactive species across sliding interfaces their role on remain unclear. The phase composition, film density hydrogen content present a DLC can be tailored by substrate biasing during deposition achieve nearly vanishing coefficient. Furthermore, nitrogen doping films significantly improves resistance, occurs wearless regime....
The present study reports an enhancement of the power factor Bi2Te3 nanorods NRs) by helium (He+) ion irradiation. High-resolution transmission electron microscopy studies revealed formation amorphous layers on surface NRs at high fluence. This nature is due to accumulation migrating point defect clusters NRs. Raman scattering experiments provide further insight observed structural modifications. At higher fluence, impurity-dominated processes significantly enhance value Seebeck coefficient...
As a part of our anticancer drug discovery programme, QSAR models were developed for the prediction activities ursolic acid derivatives against human hepatocellular carcinoma HepG2, breast MDA-MB-231 and ductal epithelial T47D cancer cell lines followed by wet lab semi-synthesis virtually active derivatives, their in-vitro biological evaluation apoptosis. The development was carried out forward stepwise multiple linear regression method using leave-one-out approach. Virtually semi...
Abstract Raman and photoluminescence spectroscopic studies on oxygen vacancy‐induced structural disorder in Gd 2 Ti O 7‐δ single crystals grown by optical floating zone technique under argon atmosphere are reported. The vacancies wafers decrease with thermal annealing air atmosphere. full width at half maximum of X‐ray diffraction rocking curve decreases from 245 to 157 arcsec the transmittance increases 23% 87% (at 1000 nm) upon post growth annealing. reveal a monotonic increase intensity...
Abstract Several aryl methyl ethers of phenolic esters and diaryl ketones have been selectively demethylated to their corresponding 4‐hydroxy derivatives by using aluminium chloride‐dichloromethane system at room temperature in good yields (53–85%). Keywords: Aryl ethersregioselectivityaluminium chloride Acknowledgment The authors are grateful the Director, CIMAP for providing facilities encouragement this work. financial assistance from Department Science Technology (DST), Govt. India is...
The photoluminescence quantum yield (QY) of monolayer MoS<sub>2</sub> is dependent on its heat-dissipating area, which elucidates that it essential to understand the effect intrinsic properties QY before seeking surface treatments for improvement.
A software detection model has been developed to predict the returned Doppler spectrum for an iceberg target ground-wave radars. This is based on proposed new estimates backscattered Doppler-dependent cross section assumed models, as well from ocean surface. The includes forward and reverse transmission losses, classical spherical earth derivations. In addition, losses account effects of surface roughness through a modified impedance. Standard man-made atmospheric noise have considered in...
A theoretical analysis of the scattering high-frequency (HF) electromagnetic waves from rough surfaces is proposed. The analysis, when applied to a model for ocean surface, leads new predictions its second-order backscattered radar cross section in addition those provided by existing theories. Some theory have already been verified experimentally.
Potential applications of Y4Zr3O12 as radiation waste containment and reinforcements Zr/Al ODS alloys vest on its irradiation stability. Fundamental studies to identify the type defects are important in order recognize pathways for damage alleviation. In this context, related identification point their clusters by situ ionoluminescence spectroscopy taken up. The spectrum acquired during 100 keV He+ ion shows two prominent bands, at 330 415 nm. Using density functional theory calculations...
A general formulation of the electromagnetic propagation and scattering problem for rough surfaces is presented. The method based on a decomposition both physical properties various field quantities associated with two media in terms characteristic (or step) functions determined by geometry. Maxwell equations are invoked interpreted generalized function distributional) sense. results analysis coupled integral fields above below surface separating media, together boundary condition. condition...