Centre for Nano Science and Engineering (CeNSE): Recent submissions
Now showing items 81-100 of 147
-
Towards an Integrated Graphene Nano-Opto-Electro-Mechanical System
Micro-electromechanical systems (MEMS) have found extensive applications in micromechanical sensing. The scaling of MEMS into nano-electromechanical systems (NEMS) was spurred primarily by the expectation of higher ... -
Neuro-electronic Hybrid Systems
Artificial neural networks have provided a powerful motif to implement extremely complex functions of high dimensional inputs like images and text. These are now being used to directly control robotic systems, to enable ... -
Development of PZT Based PiezoMEMS for Fluid Property Sensing
The research on Microelectromechanical Systems (MEMS) has resulted in several practical applications which have revolutionised the fi eld of sensors and actuators. Piezoresistive pressure sensors, capacitive micro-mirror ... -
Architectures for enhancing bandwidth and power scalability of optical frequency combs
Optical frequency combs (OFCs) have revolutionized high bandwidth communications, spectroscopy, arbitrary RF waveform generation, LIDAR (Light Detection and Ranging), and astronomical spectrograph calibration. OFCs have ... -
Investigations on Joule Heating and Associated Effects during Liquid Dielectrophoresis of Aqueous Droplets
Liquid dielectrophoresis (L-DEP) is an electrokinetic phenomenon in which a dielectric liquid with higher permittivity than the surrounding medium, when placed in a non-uniform electric field, moves towards the regions of ... -
Fabrication of suspended Graphene microchannels and its application in studying graphene-liquid interface
Graphene is a single layer of sp2 hybridized carbon atoms having extraordinary mechanical, optical, and electrical properties. These exotic properties make them attractive for applications in all fields of science and ... -
Transition metal oxide absorbers for photovoltaics
Several oxides are non-toxic, stable, and can be deposited using inexpensive techniques on a variety of substrates. There is a compelling case for use of oxide in photovoltaics, referred to as “all-oxide photovoltaics”. ... -
Finite Element Method based Model Order Reduction for Electromagnetics
Model order reduction (MOR) refers to the process of reducing the size of large scale discrete systems with the goal of capturing their behavior in a small and tractable model known as the reduced order model (ROM). ROMs ... -
Heterogeneous Integration of Thin-film Germanium on Silicon and Steel
Integration of germanium (Ge) on low cost substrates such as silicon and steel open several applications such as low cost III-V photovoltaics, beyond silicon CMOS and optoelectronics applications. However, growth of germanium ... -
Continuous-Wave Supercontinuum Generation using Cascaded Raman Fiber Lasers
This thesis explains architecture and techniques to generate high power, CW supercontinuum laser sources using standard Silica fibers as the nonlinear medium, pumped using high power CW Yb doped fiber lasers. Unlike the ... -
Microwave synthesis of superparamagnetic cobalt-ferrite thin films for RF CMOS applications
In the era of 5G technologies, the emphasis is on getting all the devices, active or passive to work in high frequencies. Higher efficiency chips can be obtained by combining both the active and passive devices on a single ... -
Advances in Microfluidic Impedance Cytometry for Electromechanical Characterization of Cells
Single-cell analysis is extremely important for discovering unique characteristics of individual cells, identifying cell populations of interest, and understanding their behaviour during disease conditions. With the advent ... -
Generation and Bandwidth Scaling of silicon modulator based Integrated High Repetition rate Optical Frequency Combs
Optical Frequency Combs (OFC) are laser sources that consist of discrete, equally spaced lines in frequency space, have found extensive use in metrology, spectroscopy, sensing and optical communications. Generation of ... -
Study and Control of Electromigration Driven Material Transport for Applications in Nanofabrication and Patterning
Transfer of mass energy is at the heart of many physical processes that form the backbone of modern science and technology. Transport studies help in understanding these processes and reveal the underlying physics that ... -
Two-Dimensional Nanomaterials for Chemiresistive Gas Sensors: Towards Development of Breath based Diagnostics
Breath based Diagnostics (BbD) can enable a paradigm shift in the Point-of-Care Diagnostic (PoCD) devices. Exhaled human breath has been demonstrated to contain over 2000 volatile organic and inorganic compounds, some of ... -
Applications of Magnetic Helical Nanomotors: From Cancer Biology to Dentistry
Micron/nano sized machines promise precise targeting and drug-delivery at hard to reach places inside the human body. There have been tremendous efforts in this direction and various remotely powered artificial nanomachines ... -
A simple method for measurement of high power, inline beam quality of high-power lasers
Over the past few decades, applications of high-power fiber laser in the area of material processing, medicine, defence, high precision micro-machining etc., is rapidly increasing. The primary reason behind thriving ... -
Robust Electrochemical Sensing Techniques for Serum Creatinine Biosensor
Creatinine is an important biomarker for evaluating the renal function and its concentration in serum can be utilized for early detection of kidney disease, thyroid disorders, and muscular dystrophy. Accurate, reliable, ... -
Oxide Semiconductors for Silicon Tandem Solar Cells
In tandem solar cells two or more solar cells share the solar spectrum. The structure consists of two sub-cells on top of each other, with the top cell absorbing the blue photons and the bottom cells absorbing the red ... -
High power Cascaded Raman fiber lasers
Over the last decade, fiber lasers have gained significant traction for industrial, defense and medical applications. This is owing to their superior beam quality along with power scalability, compactness, reliability and ...