Centre for Nano Science and Engineering (CeNSE): Recent submissions
Now showing items 41-60 of 140
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Epitaxial Integration Of Functional Oxides On Silicon (100)
Epitaxial integration of BaTiO3 (BTO) and other functional oxides with (100) Si is essential to exploit their functional capabilities using the well-established Si-CMOS technological platform. However, such oxide integration ... -
Heterogeneous Integration of Device Grade Epitaxial Germanium on Silicon Platform using Laser-Induced Crystallization for Optoelectronic Applications
Integration of germanium on silicon platform has applications in III-V photovoltaics, integrated silicon photonics, high-speed transistors, etc. In this work, we have used laser-induced crystallization (LIC) to obtain ... -
Development of Piezoelectric Ultrasound Transducers for Novel Applications
Ultrasound is a scientific miracle with its magical contributions in almost all the branches of modern-day technology. It all started with the discovery of the ‘piezoelectric effect’ by the Curie brothers, who demonstrated ... -
Polyurethane based Self-healing Nanocomposites for Electromagnetic Interference Shielding Applications
An augmentation in the growth of modern electronics and telecommunication has led to an increase in electromagnetic interference (EMI) as its aftermath. Device malfunctioning, unwanted noise and radio leakage are the direct ... -
Reliability Physics of Thin-Film Transistors
Thin-film transistor technology based on non-crystalline materials forms the workhorse of large area electronics applications including display systems, sensor systems and novel technologies including flexible electronics. ... -
Ultra-wide Band-gap Semiconductor Heterostructures for UV Opto-electronics
A plethora of strategic, astronomical, commercial, and biological applications necessitate development of high-performance ultra-violet (UV) photodetectors to enable sensitive detection of low intensity UV signals. While ... -
Study of Micro-and Nano-Scale Transport of Liquid Metal on Thin Solid Films
In recent times, researchers have found potential in using liquid metals in broad-spectrum applications such as processing ceramics, stretchable electronics, 3D printing, coolant technology, energy storage, and many others. ... -
Raman and Brillouin Nonlinearities in High Power Fiber Lasers: Novel Effects and Applications
High power fiber lasers due to their immense utility in both industry and research divisions, have seen a dramatic level of power scaling in the last two decades. This is due to the superior beam quality, thermal handling ... -
Band-matched transport layers and intrinsically stable perovskite solar cells for application to perovskite Si tandem cells
Hybrid perovskite/silicon tandem solar cells offer low-cost alternatives to the commercially established silicon solar cells. In this thesis, we present the material and device optimizations of the subcells that can be ... -
Versatile sensing platform using silicon photonic microring resonators
Measurement of refractive indices of liquids and thin films can play an important role for chemical analysis in the fields of healthcare and biomedical research. There is a requirement of miniaturized refractive index ... -
Fabrication and Characterization of Nanostructured Antibacterial Surfaces
Bacterial antibiotic resistance is becoming wide spread due to the excessive and unregulated use of antibiotics in healthcare and agriculture. At the same time the development of new antibiotics has become slow. Adding ... -
Multiplexing Nanoplasmonic Sensors
Complex biological samples such as serum contain thousands of proteins and other molecules spanning up to 13 orders of magnitude in concentration. Present measurement techniques such as protein microarrays and quantum dot ... -
Normally off AlxGa(1-x)N/GaN devices: Materials, process and device architecture innovations
AlxGa(1-x)N/GaN HEMTs find applications in power electronics systems as high-frequency power switches. The formation of a highly mobile 2 dimensional electron gas (2DEG) at a heterointerface in an otherwise insulating wide ... -
Antibacterial Surfaces Mechanisms, Design and Development
The spread of disease-causing microorganisms through high-touch surfaces and their increased tolerance against antimicrobials and the host immune system is responsible for several fatal diseases. By the year 2050, Antimicrobial ... -
Investigation of Buffer Design and Carbon doping in AlGaN/GaN HEMTs for High Breakdown Voltages
III-nitride HEMTs are strong contenders for next-generation power electronic applications. The superior material and electrical properties render GaN-based transistors suitable for high-power switching. The material ... -
Nanopore Based Single-molecule Sensors
In the past two decades nanopores have been used as highly sensitive detection systems for exploring the properties of analytes at single molecule resolution. The small dimensions of a nanopore permit the molecule of ... -
Droplet Interface Oscillations using Electrowetting-on-Dielectric (EWOD) for Open-Chip Microfluidic Applications
Droplet manipulation on microfluidic platform has gained significant importance due to its applicability to various healthcare technologies, where larger equipment can be reduced to portable handheld systems based on ... -
Enabling Spectral Diversity in Fiber Laser Systems: Architectures and Applications
Nonlinear effects occur due to the modification of optical properties of a material medium by the presence of high intensity light such as lasers, resulting in the generation of new frequency components. The availability ... -
Nanostructured Metal Oxide Semiconductor Gas Sensor
Gas sensors play a vital role in today’s world; be it in pollution monitoring, breath analysis, food quality monitoring or in agriculture. A variety of methods are being explored to develop reliable gas sensor systems such ... -
Development of Nanomaterials as Antioxidant Enzyme Mimetics for Cellular Redox Homeostasis
Nanomaterials possess a myriad of potential in various biomedical fields such as cancer diagnostics, biosensing, imaging, immunoassay, drug delivery and therapeutics etc. In particular, the ability of the nanozymes to ...