Centre for Nano Science and Engineering (CeNSE): Recent submissions
Now showing items 41-60 of 147
-
Towards the Development of MEMS g-Switches
Accelerometers are sensors that measure and record the acceleration of an object in motion. They typically contain spring and mass elements that are set into vibration upon any impressed acceleration. The characteristics ... -
Investigating Mechanical Properties of Suspended Ovarian Cancer Cells and Clusters
The peritoneal cavity of a patient suffering from advanced epithelial ovarian cancer is filled with disseminated multicellular aggregates, commonly known as spheroids. These spheroids colonize abdominal organs leading to ... -
Deploying an Orthogonal Turn for Isolation of Rare Cell Populations from Vascular Environments
Cancer cells are shed from metastatic primary tumors, bearing the potential for blood-borne metastasis to distant vital organs. Metastasis is predominantly responsible for cancer-related deaths. These circulating tumor ... -
Multi-layered Composite Structures for Electromagnetic Interference Shielding Applications
With the recent surge in the usage of electronic devices, electromagnetic interference (EMI) poses a serious threat. Unwanted electromagnetic (EM) waves not only interfere with the normal functioning of electronic components, ... -
Droplet, Jets, and Leaky Surfaces
Surface structuring on a micro-nano scale, combined with a low surface energy coating, leads to anti-wetting properties. Such surfaces also exhibit other properties such as self-cleaning, antifouling, bacteriostatic, drag ... -
Electronic Photonic Circuit Design for RF Transceiver
RF over fibre (RoF) based communication system combines features of mm-wave and optical fibre communication. The RoF-based system has the advantage of both optical fibre systems (such as high bandwidth, signal transparency, ... -
Mode Coupling and Nonlinearities in Micro/Nano Electromechanical Systems
Micro and nanoelectromechanical systems have shown tremendous potential in applications ranging from sensing to obtaining ultrastable oscillators for timing. They have also opened avenues for fundamental quantum studies ... -
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 ...