Over the past decades CMOS technology has been continuously scaling and resulted in
sustained improvement in transistor speeds. However, achieving higher DC open-loop
gain from the op-amps became challenging. Also, the ...
Lead-tin (Pb-Sn) mixed perovskite solar cells (PSCs) enable bandgap tuning (1.1–1.4
eV), reduce toxicity, and offer great potential for efficient all-perovskite tandem
devices. Although they exhibit promising optoelectronic ...
Scientific interest in nano particles of various shapes and morphology is growing proportionally. Besides the distinct size characteristic, properties of nano particles vary widely with alteration of structural and ...
This doctoral research presents a comprehensive analysis of hydroclimatic extremes across
Ethiopia’s eight major river basins, addressing critical gaps in understanding compound
climate risks in tropical highland regions. ...
This study evaluates the influence of Ocimum lamiifolium leaf extract (OLE) concentration on
the green synthesis of zinc oxide nano particles (ZnO NPs) and their performance as an Electron
Transport Layer (ETL) in ...
The demand for low power, low voltage devices is increasing at a faster rate as a
result of wider implementation of smaller-sized, portable, and hand held devices in
the telecommunication and entertainment industries. ...
Solar radiation, the electromagnetic energy emitted from the Sun, is a fundamental driver
of Earth's weather and climate systems and represents a vast, clean energy source. Global solar
radiation (GSR) is the total ...
Solar radiation, the electromagnetic energy emitted from the Sun, is a fundamental driver of Earth's weather and climate systems and represents a vast, clean energy source. Global solar radiation (GSR) is the total amount ...
This dissertation explores the spatiotemporal variations of ionospheric Total Electron
Content (TEC) and the characteristics of Equatorial Plasma Bubbles (EPBs)
over East Africa, based on a comprehensive analysis of ...
Solar radiation, the electromagnetic energy emitted from the Sun, is a fundamental driver of Earth's weather and climate systems and represents a vast, clean energy source. Global solar radiation (GSR) is the total amount ...
The trans-ionospheric propagation of Global Navigation Satellite System (GNSS) signals
is significantly influenced by ionospheric irregularities, particularly at equatorial and
low-latitude regions. This study investigates ...
The ionosphere, a vital layer of the Earth’s atmosphere, plays a significant role in influ-
encing radio communication, satellite navigation, and space weather prediction, with its
behavior being profoundly affected by ...
Aerosols are tiny mixtures of liquid-solid particulate matter suspended in the atmosphere
that play significant roles in human health and climate dynamics, directly, indirectly, and
semi-directly. There have been large ...
The current PhD research work focuses on the study of the interplay between antiferromagnetism
and superconductivity in electron doped cupper based Nd2-xCexCuO4−δ (NCCO) superconductor.
Within this system, we have ...
This dissertation investigates the complicated troposphere-lower stratosphere (TLS)
region, with an emphasis on trace gas transport across the tropical tropopause and
how it a ects climate and weather systems. There ...
This thesis focuses on the study of the electronic thermal conductivity of the Thallium Calcium-Barium-Copper-Oxide (Tl2Ca2Ba2Cu3O10) superconductor by using the energy
dispersion relation function, Boltzmann transport ...
This study investigates the determination of gold nanoparticle sizes using UV-Vis spectroscopy, a
powerful technique for analyzing the optical properties of nanomaterial. Gold nanoparticles exhibit
unique optical ...
Many diluted magnetic semiconductor oxide systems exhibit interesting room temperature
ferromagnetism, which has open the way for spintronics devices .Transition metal doped ZnO
diluted magnetic semiconductor, has ...
The current graduate project effect of pressure on the superconducting transition temperature
and some physical properties of CaPd2P2. The effect of pressure on the superconducting
phenomenon of some alloys have been ...
This graduate project work focuses on the study of the superconducting properties of high
temperature H2S under high pressure and a background of this study was also discussed. This
compound was found to undergo a ...