Browsing Department of Physics by Title
Now showing items 27-46 of 75
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FABRICATION AND CALIBRATION OF LOW COST CAPACITIVE SOIL
(2016-05-23)Soil humidity is critical in crop production and its control is essential to water conservation. The knowledge of soil humidity to majority of farmers in Kenya is based on effects of weather on crops and soil texture. ... -
FABRICATION AND CALIBRATION OF LOW COST CAPACITIVE SOIL
(2016-05-19)ABSTRACT Soil humidity is critical in crop production and its control is essential to water conservation. The knowledge of soil humidity to majority of farmers in Kenya is based on effects of weather on crops and soil ... -
FABRICATION AND CALIBRATION OF LOW COST CAPACITIVE SOIL HUMIDITY SENSOR
(University of Eldoret, 2013)Soil humidity is critical in crop production and its control is essential to water conservation. The knowledge of soil humidity to majority of farmers in Kenya is based on effects of weather on crops and soil texture. ... -
FIELD DEPENDENCE OF THE PROPERTIES OF HIGH-TEMPERATURE SUPERCONDUCTORS
(University of Eldoret, 2016)High temperature superconductivity mechanism has remained an elusive concept for a long time. Field dependence of the properties of high temperature superconductors could be on the brink of solving this puzzle. This Study ... -
FIRST PRINCIPLES ELECTRONIC STRUCTURE CALCULATIONS OF BaF2 AND GENERATION OF PARAMETRIZED POTENTIAL FOR MOLECULAR DYNAMICS STUDY OF THE SUPERIONIC PROPERTIES OF c-BaF2
(2016-05-19)The electronic structure and defects of barium fluoride, BaF2, have been studied using the denstiy functional theory, DFT and density functional perturbation theory, DFPT. Lattice parameter of 6.10 Å was calculated comparable ... -
Frequency stability characterization: DFB laser and Raman pump performance on a distributed clock signal over 24.69 km fiber
(Journal of the Optical Society of America, 2020-07)Distribution of timing and frequency signals in a fast-changing world requires unprecedented levels of stability for characterization.Transfer of frequency references over long distance without introducing any additional ... -
Hardness characterization parameters of Niobium Carbide and Niobium Nitride: A first principles study
(Elsevier, 2019)Niobium carbides and nitrides have been proposed as potential candidates for hardness and related applications, however, comprehensive studies are still needed for better understanding that may pave way for their ... -
HYDROMECHANICAL SLOPE STABILITY ANALYSIS: MODELLING, MONITORING AND PREDICTION USING BP-FF ARTIFICIAL NEURAL NETWORKS
(University of Eldoret, 2021)Sloping regions of the earth’s crust have formed part of human settlements from time immemorial. However, these regions are prone to geological hazards especially mass wasting processes such as debris flows and landslips. ... -
Impact of Temperature and Relative Humidity on PMD in Directly Buried Optical Fiber Cables in Semi-Arid and Tropical Highlands in Kenya
(Hindawi International Journal of Optics, 2019)The telecommunication industry has implemented fibre deployment guidelines that reliably safeguard cable health during installation in the field. While installed fibre cables remain buried in the field, temperature and ... -
Improving Students’ Application of Moment of Force Concepts in Physics through Experimental Approach, a case of Secondary Schools in Marakwet West Sub-County, Elgeyo Marakwet County, Kenya
(African Journal of Education, Science and Technology, 2021)An investigation was carried out to ascertain the effectiveness of experimental approach on students’ application of moment of force concepts in Physics in secondary schools in Marakwet West Sub-county, Elgeyo Marakwet ... -
IN SITU TECHNO-ENVIROECONOMIC ANALYSIS OF A ROOFTOP PHOTOVOLTAIC (PV) BACKUP SYSTEM IN THE TROPICAL CLIMATE
(University of Eldoret, 2022-07)Solar PV generators are increasingly being deployed in the built environment as stand-alone or backup power systems to supply electricity either solely or during power outages respectively. Diesel generators (DGs) are ... -
INCOMMENSURATE CRYSTALLIZATION OF NEUTRON MATTER IN NEUTRON STARS
(EAST EUROPEAN JOURNAL OF PHYSICS, 2020)The composition of the neutron stars from its surface region, outer-core, inner-core, and to its center is still being investigated. One can only surmise on the properties of neutron stars from the spectroscopic data ... -
Integrated extended reach VCSEL interconnect with 8.5 Gbps data modulated forward Raman pump signals
(JOURNAL OF MODERN OPTICS, 2019)We experimentally present thefirst reported integrated cross-modulatedforward Raman pump, with low-cost, power-efficient VCSELs. A single-mode VCSEL is directly modulated with 8.5 Gbps data and transmitted over a 50.7 ... -
INTEGRATION OF VCSEL WITH MODULATED RAMAN PUMP FOR DATA AND CLOCK TRANSMISSION IN OPTICAL COMMUNICATION
(University of Eldoret, 2022)The evolution of ultrafast optical technologies has led to the realization of low cost, low latency and high speed optical networks. Existing telecommunication infrastructure does not provide sufficient capacity to satisfy ... -
INVESTIGATION OF POLLUTANT LEVELS AND EFFICIENCY OF HEAVY
(2016-05-19)An increase in population initiating rapid industrialization has been found to consequently increase the effluents and domestic wastewater into the aquatic system. This has resulted in heavy metal pollution which has become ... -
Landau Criteria of Superfluidity of Two Component Mixture of Bosons
(International Journal of Recent Research Aspects, 2020)Using the quasi-particle energy of a mixture of two-component gas of bosons which is assumed to be in a superfluid state, the Landau criterion for superfluidity has been applied to obtain the magnitude of the Landau’s ... -
Mechanical and Elastic Properties of Selected 211 MAX Phases: A Density Functional Theory Study
(Kabarak Journal of Research & Innovatio, 2023-10)MAX Phases are a class of ternary materials that have continued to play a greater role in the field of materials science due to their unique properties that bridge the gap between metals and ceramics which have uses in ... -
MECHANICAL AND ELECTRONIC PROPERTIES OF CUBIC BORON NITRIDE AND CARBON BORON NITRIDE: A QUANTUM MONTE CARLO STUDY
(University of Eldoret, 2013)Carbon Boron Nitride (BC2N) has attracted a lot of attention in research and industry since it was first synthesized and continues to maintain this interest due to the fascinating mechanical and electronic properties ... -
MECHANICALANDELECTRONICPROPERTIESOFCUBICBORONNITRIDE ANDCARBONBORONNITRIDE:AQUANTUMMONTECARLOSTUDY
(2016-05-23)Carbon Boron Nitride (BC2N) has attracted a lot of attention in research and industrysinceitwasfirstsynthesizedandcontinuestomaintainthisinterestdueto the fascinating mechanical and electronic properties that it is proposed ... -
MID-GAP STATES IN DEFECTIVE ANATASE TiO2 : A DENSITY FUNCTIONAL THEORY STUDY PLUS A HUBBARD TERM (DFT+U)
(University of Eldoret, 2016)Motivated by the performance of reduced Titania in various important applications including photo-catalysis, photo-voltaics and CO2 reduction in hydrocarbon fuels, a systematic study of the structural properties and the ...