A5101499236- Advanced Semiconductor Detectors and Materials
- Semiconductor Quantum Structures and Devices
- Advanced Optical Sensing Technologies
- Multiferroics and related materials
- Electronic and Structural Properties of Oxides
- ZnO doping and properties
- Chalcogenide Semiconductor Thin Films
- Advanced battery technologies research
- Ferroelectric and Piezoelectric Materials
- Magnetic and transport properties of perovskites and related materials
- Advanced Condensed Matter Physics
- Advanced Memory and Neural Computing
- Semiconductor materials and devices
- Semiconductor Lasers and Optical Devices
- Quantum Dots Synthesis And Properties
- Thermography and Photoacoustic Techniques
- Radiation Detection and Scintillator Technologies
- Copper-based nanomaterials and applications
- Advanced X-ray and CT Imaging
- Surface Modification and Superhydrophobicity
- Solar Thermal and Photovoltaic Systems
- Gas Sensing Nanomaterials and Sensors
- Hybrid Renewable Energy Systems
- Dielectric materials and actuators
- solar cell performance optimization
SRM University, Andhra Pradesh
2021-2025
SRM University
2020-2025
National University of Singapore
2016-2021
University of Florida
2016-2017
University of Illinois Chicago
2004-2013
Narayana Health
2011
University of Illinois Urbana-Champaign
2008
Spintronics Research Network of Japan
2007
University of Michigan
2003
The Southeast Asian (SEA) region has witnessed a relentless surge in energy demand, driven by rapid urbanization, industrialization, and economic growth. In response, the exploration development of renewable sources have gained significant attention. Among these sources, solar emerged as highly promising candidate due to its remarkable growth rate. This comprehensive review article aims analyze challenges opportunities involved maximizing production SEA region. commences with succinct...
The development of high-performance electrostatic energy storage dielectrics is essential for various applications such as pulsed-power technologies, electric vehicles (EVs), electronic devices, and the high-temperature aviation sector. However, usage lead a crucial component in conventional dielectric materials has raised severe environmental concerns. As result this, there an urgent need to explore lead-free alternatives. Ferroelectric ceramics offer high density but lack stability at...
Abstract Antiferromagnetic insulators are a ubiquitous class of magnetic materials, holding the promise low-dissipation spin-based computing devices that can display ultra-fast switching and robust against stray fields. However, their imperviousness to fields also makes them difficult control in reversible scalable manner. Here we demonstrate novel proof-of-principle ionic approach spin reorientation (Morin) transition reversibly common antiferromagnetic insulator α-Fe 2 O 3 (haematite) –...
Hydrogen is emerging as a strong contender for feasible future energy carrier in the clean race, due to its high density and burning nature. However, account environmental challenges, production must be sustainable cost-efficient. Currently, hydrogen generated from various feedstocks such ammonia, methane, natural gas, biomass, smaller organic molecules, water. These undergo different catalytic processes, including decomposition, electrolysis, steam reforming, pyrolysis, gasification,...
Neuromorphic devices with extremely low energy consumption are greatly demanded for brain-like computing and artificial intelligence (AI). In this work, the ZnO–NiO nanocomposite as an active layer used to create synaptic memristor memory functions, including high ON/OFF ratios, stable filamentary resistive switching behavior, long-term/short-term plasticity (LTP/STP), learning-experience response. These qualities closely resemble biological learning activities. Controlled production rupture...
Herein, we report a systematic study of water contact angle (WCA) rare-earth oxide thin-films.
The effect of oxygen vacancy on water wettability different oxide surfaces are studied and type interface interaction is found in 3d 4f based surfaces..
High-quality copper oxide (CuO) thin films were deposited on the silicon (Si) substrate at room temperature using physical vapour deposition (PVD) technique named radio frequency (RF) sputtering. The copper-oxide thin-films single crystalline and of uniform thickness. Subsequently, influence growth pressure (low gas - 3 mTorr high 100 mTorr) post annealing different temperatures (300 °C to 700 °C) investigated understand microstructural morphological changes film. With thermal temperature,...
The increasing global demand for energy solutions has created the necessity innovative nanocomposite materials efficient storage applications. This urgency is driving significant advancements in technologies, raising hope future of sectors. Supercapacitors (SCs), high-performance electrochemical devices, have earned considerable attention to address these challenges. In this article, we demonstrated a cost-effective, easily obtainable trimetallic spinel/defect-spinel oxide...
This article reports facile fabrication of a multifunctional smart surface having superhydrophobic self-cleaning property, superoleophilicity, and antimicrobial property. These surfaces have been synthesized using the stereolithography (SLA) method additive manufacturing technique. SLA is fast technique used to create complex parts with intricate geometries. A wide variety materials high-resolution techniques can be utilized functional such as surfaces. Various studied improve functionality...
Renewable energy has gained widespread recognition for its potential to drive sustainable power generation and mitigate climate change. However, the rapid expansion of these resources highlights inherent challenges arising from their non‐dispatchable, intermittent, asynchronous nature, underscoring critical need grid‐scale storage. Although numerous storage technologies exist, cohesive insights into commercially available or nearing commercialization remain limited. The review addresses that...
Reduced graphene oxide (rGO) has captivated the scientific community due to its exceptional electrical conductivity, high specific surface area, and excellent mechanical strength. The physical properties of reduced are strongly dependent on presence different functional groups in structural framework, along with roughness. In this study, laser annealing was employed by a nanosecond Nd:YAG investigate impact varying energies wettability conductivity samples grown pulsed deposition (PLD)...
We report the growth and fabrication of midwave infrared InAs∕GaSb strain layer superlattice (SLS) detectors. Growth alternate interfaces leads to a reduced between GaSb buffer SLS (Δa‖∕a=−5×10−4), enabling active regions up 3μm (625 periods). The structural, optical, electrical properties region were characterized using x-ray crystallography photoluminescence, respectively. p-i-n detectors grown 625 periods 8 ML (monolayer) InAs∕8 as region. λcutoff for was 4.6μm with conversion efficiency...
Reduced graphene oxide (rGO) has attracted significant interest in an array of applications ranging from flexible optoelectronics, energy storage, sensing, and very recently as membranes for water purification. Many these require a reproducible, scalable process the growth large-area films high optical electronic quality. In this work, we report one-step method reduced-graphene-oxide-like (rGO-like) thin via pulsed laser deposition (PLD) sp2 carbon oxidizing environment. By deploying...
Cupric oxide (CuO) is a promising candidate as photocathode for visible-light-driven photo-electrochemical (PEC) water splitting. However, the stability of CuO against photo-corrosion crucial developing CuO-based PEC cells. This study demonstrates stable and efficient through introduction graphene into film (CuO:G). The CuO:G composite electrodes are prepared using graphene-incorporated sol-gel solution via spin-coating techniques. modified with two different types functional groups, such...
Eye-safe midwavelength infrared InAs–GaSb strain layer superlattice p+-n−-n homojunction avalanche photodiodes (APDs) grown by solid source molecular beam epitaxy were fabricated and characterized. Maximum multiplication gain of 1800 was measured at −20V 77K. Excess noise factors between 0.8 1.2 up to 300. Gain 200 120K. Exponential nature the as a function reverse bias along with low excess factor higher confirms single carrier electron-only impact ionization in regime. Decrease...
In this manuscript, we demonstrate a method based on atomic force microscopy which enables local probing of surface wettability. The maximum pull-off force, obtained from spectroscopy shows remarkable correlation with the macroscopically observed water contact angle, measured over wide variety surfaces starting hydrophilic, all way through to hydrophobic ones. This relationship, consequently, facilitates establishment universal behaviour. adhesion forces scale polar component energy....