Browsing Centre for Nano Science and Engineering (CeNSE) by Title
Now showing items 58-77 of 137
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Gallium Oxide Vertical Power Devices - Modeling, Material Growth, and Hetero-epitaxial Integration with Silicon
𝛽-Ga2O3 is a candidate for a new generation of power semiconductors that can significantly lower the conduction losses and increase power density in the power converters. PFOM or power figure of merit (V2Br/Ron) is a ratio ... -
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 ... -
Graphene and Graphyne based three dimensional porous architectures
The main objective of the thesis is to introduce porous structure into graphene/graphene oxide materials and study their effects on various physics/chemistry related applications. Introduction of porosity may be achieved ... -
Growth of hole-conducting Cu2O & CuO semiconductors using CVD for next-generation electronic devices: Thin Films Transistors, Memristors, and Gas Sensors
Semiconducting oxides with visible-range transparency and high electrical conductivity have tremendous potential for transparent CMOS devices. Oxide semiconducting materials are a good choice for emerging transparent ... -
Hardware-Software Co-Design Accelerators for Sparse BLAS
Sparse Basic Linear Algebra Subroutines (Sparse BLAS) is an important library. Sparse BLAS includes three levels of subroutines. Level 1, Level2 and Level 3 Sparse BLAS routines. Level 1 Sparse BLAS routines do computations ... -
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 ... -
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 ... -
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 ... -
Integration of Functional Oxide Films on Semiconducting Substrates
System-on-chip (SoC) applications have attracted the attention of the modern community due to their ability to facilitate various functionalities within a single device which can meet the requirements of day-to-day life. ... -
Integration of Graphene with Plasmonic Nanostructures for Photodetection in the UV, Visible and IR
Graphene is the thinnest material known till date, composed of a two dimensional (2D) arrangement of carbon atoms in a hexagonal lattice. It has interesting mechanical, electrical and optical properties, such as very high ... -
Integration of Layered Materials with Group-III Nitride Semiconductors for Dual Band Photodetection
In many applications, simultaneous detection in two distinct bands, UV and IR regime is required. An instrumentation in which detection in both the bands achievable using single device would be highly desirable owing to ... -
Internal resonances and nonlinearities in atomically thin resonators
The advent of carbon nanotubes (CNTs) and atomically thin membranes such as Graphene and layered transition metal chalcogenides (TMDs) have spurred research in the area of Nanoelectromechanical Systems (NEMS) due to their ... -
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 ... -
Investigating Microwave-Synthesized Nanoferrites as Core Materials for RF On-Chip Inductors
On-chip inductors play a major role in radio frequency integrated circuits (RFICs), finding applications in radio frequency microelectromechanical systems (RF MEMS), power-electronics, and biomedical MEMS. Despite advancements ... -
Investigation of Au-free AlGaN/GaN HEMT on Silicon with substrate transfer process: From Ohmic contacts to RF performance
The technological importance of III-nitride based high electron mobility transistors (HEMTs) for power switching and RF applications is growing rapidly, owing to two advantageous electrical properties. While high sheet ... -
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 ... -
Investigation of Growth, Structural and Optical properties of different phases of Ga2O3
Among the semiconducting sesquioxides, Ga2O3 has attracted considerable research attention in recent years due to its excellent properties, including direct ultra wide band gap, optical transparency, high excitonic binding ... -
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 ... -
Large Area MoS2 : Growth and Device Characteristics
(2018-06-26)There has been growing interest in two-dimensional (2-D) crystals beyond graphene for next-generation nano-electronics. Transition metal dichalcogenides have been most widely studied, for their semiconducting characteristics ... -
Large Enhancement in Metal Film Piezoresistive Sensitivity with Local Inhomogenization for Nanoelectromechanical Systems
(2018-04-12)High performance and low cost sensors based on microelectromechanical systems (MEMS) have become commonplace in today's world. MEMS sensors, such as accelerometers, gy- roscopes, pressure sensors, and microphones, are ...