Instrumentation and Applied Physics (IAP): Recent submissions
Now showing items 101-120 of 221
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Growth of Semiconductor and Semiconducting Oxides Nanowires by Vacuum Evaporation Methods
(2018-04-12)Recently, there has been a growing interest in semiconductor and semiconducting oxide nanowires for applications in electronics, energy conversion, energy storage and optoelectronic devices such as field effect transistors, ... -
Studies on Multifrequensy Multifunction Electrical Impedance Tomography (MfMf-EIT) to Improve Bio-Impedance Imaging
(2018-04-11)Electrical Impedance Tomography (EIT) is a non linear inverse problem in which the electrical conductivity or resistivity distribution across a closed domain of interest is reconstructed from the surface potentials measured ... -
Studies on Si15Te85-xGex and Ge15Te85-xAgx Amorphous Thin Films for Possible Applications in Phase Change Memories
(2018-04-06)Chalcogenide glasses are a class of covalent amorphous semiconductors with interesting properties. The presence of short-range order and the pinned Fermi level are the two important properties that make them suitable for ... -
Spatial Filtering Techniques for Large Penetration Depth and Volume Imaging in Fluorescence Microscopy
(2018-04-06)In the past two decades, Fluorescence microscopy has imparted tremendous impact in Biology and Imaging. Several super-resolution Fluorescence imaging techniques (e.g. PALM, STED, STORM, 4Pi and structured illumination) ... -
Stochastic Dynamical Systems : New Schemes for Corrections of Linearization Errors and Dynamic Systems Identification
(2018-03-23)This thesis essentially deals with the development and numerical explorations of a few improved Monte Carlo filters for nonlinear dynamical systems with a view to estimating the associated states and parameters (i.e. the ... -
Point-of-Care High-throughput Optofluidic Microscope for Quantitative Imaging Cytometry
(2018-03-15)Biological research and Clinical Diagnostics heavily rely on Optical Microscopy for analyzing properties of cells. The experimental protocol for con-ducting a microscopy based diagnostic test consists of several manual ... -
Design of a Vortex Tube based Refrigeration System
(2018-03-15)Vortex tube (VT) is a mechanical device with no moving parts. The fundamental principle of Vortex Tube is that it can split an incoming fluid flow of a constant pressure and constant temperature gas stream into two separate ... -
Optimization of HfO2 Thin Films for Gate Dielectric Applications in 2-D Layered Materials
(2018-03-02)Recently, high-κ materials have become the focus of research and been extensively utilized as the gate dielectric layer in aggressive scaled complementary metal-oxide-semiconductor (CMOS) technology. Hafnium dioxide (HfO2) ... -
Threshold Voltage Shift Compensating Circuits in Non-Crystalline Semiconductors for Large Area Sensor Actuator Interface
(2018-02-25)Thin Film Transistors (TFTs) are widely used in large area electronics because they offer the advantage of low cost fabrication and wide substrate choice. TFTs have been conventionally used for switching applications in ... -
Design, Development and Performance Analysis of Micromachined Sensors for Pressure and Flow Measurement
(2018-02-18)Now-a-days sensors are not limited only to industry or research laboratories but have come to common man’s usage. From kids toys to house hold equipment like washing machine, microwave oven as well as in automobiles, a ... -
Light Sheet Based Microfluidic Flow Cytometry Techniques for High throughput Interrogation and High-resolution Imaging
(2018-02-15)Light allows to non-invasively study the complex and dynamic biological phenomenon undergoing within cells and tissues in their native state. The development of super-resolution microscopes in recent years has helped to ... -
Mechanical, Structural, Thermal and Electrical Studies on Indium and Silver Doped Ge-Te Glasses having Possible PCM Applications
(2018-02-09)The Science behind amorphous Chalcogenide materials opened up new technologies in the arena of Phase Change Memories. The Ovonic universal phase change memory is called universal because it can replace flash memory, DRAM ... -
Numerical Investigation of Segmented Electrode Designs for the Cylindrical Ion Trap and the Orbitrap Mass Analyzers
(2018-02-08)This thesis is a numerical study of fields within ion traps having segmented electrodes1. The focus is on two cylindrical ion trap structures, two Orbit rap structures and one planar structure which mimics the field of the ... -
Fabrication and Optimization of Yttria Stabilized Zirconia Thinfilms towards the Development of Electrochemical Gas Sensor
(2018-02-06)Yttria stabilized Zirconia (8YSZ) is an extensively used solid electrolyte, which finds applications in electrochemical sensors, solid oxide fuel cells and gate oxide in MOSFETs. Recent studies report that YSZ thin films ... -
A Stochastic Search Approach to Inverse Problems
(2018-01-30)The focus of the thesis is on the development of a few stochastic search schemes for inverse problems and their applications in medical imaging. After the introduction in Chapter 1 that motivates and puts in perspective ... -
Design, Development and Validation of Fiber Bragg Grating Sensor Based Devices for Detecting Certain Healthcare Parameters
(2018-01-30)Several sensor technologies have been developed and experimented over the last few decades to cater various needs of medical diagnostics. Among these, fiber optic sensors, in particular, Fiber Bragg Grating (FBG) based ... -
Poly-Vinylidene Fluoride Based Vibration Spectrum Sensors and Energy Harvestors
(2017-12-07)Mechanical vibrations in large structures such as buildings, bridges, dams and critical frequencies in large machinery generally have low frequencies (100Hz-1000Hz). To monitor large areas of such structures we need huge ... -
Ultrafast Laser Inscribed Waveguides on Chalcogenide Glasses for Photonic Applications
(2017-11-30)Chalcogenide glasses are highly nonlinear optical materials which can be used for fabricating active and passive photonic devices. This thesis work deals with the fabrication of buried, three dimensional, channel waveguides ... -
Studies on AgInS2 Films as Absorber Layer for Heterojunction Solar Cells
(2017-11-28)Currently conventional sources like coal, petroleum and natural gas meet the energy requirements of developing and undeveloped countries. Over a period of time there is high risk of these energy sources getting depleted. ... -
Development of Handheld Impedance Spectroscopy Instrument Suitable for Biological Tissue Characterization
(2017-11-27)Impedance spectroscopy (IS) is a powerful and sophisticated tool to characterize intrinsic electrical properties of any materials and its interface, measuring the electric and transport properties of the materials, ...