Browsing Department of Physics by Title
Now showing items 21-40 of 75
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E-OPTIMAL DESIGNS FOR SECOND-DEGREE KRONECKER
(2016-05-19)Many products are formed by mixing together two or more ingredients. For example, in building construction, concrete is formed by mixing sand, water and cement. Many practical problems are associated with investigation ... -
EFFECT OF LIMING ON LEVELS OF POLLUTANT HEAVY METALS IN
(2016-05-23)Soil contaminated with heavy metals from agricultural and industrial sources leads to unhealthy food. The metals enter the food chain and are consumed by humans. Phosphate fertilizers too contain undetermined amounts of ... -
EFFECTS OF COULOMB AND PAIRING INTERACTIONS BETWEEN NUCLEONS IN DETERMINING NUCLEAR STABILITY OF FINITE NUCLEI
(University of Eldoret, 2021)From time to time, several nuclear models have been proposed by various research groups to explain the properties of finite nuclei and large nuclear systems in nuclear physics and astrophysics. However, no single model ... -
EFFECTS OF MAGNETIC FIELD ON THE VALUE OF SPECIFIC HEAT JUMP ON LITHIUM TITANIUM OXIDE
(2019-11-30)Superconductivity is an observable scientific fact exhibited by some materials at extremely low temperature approaching 0 K where their specific heat capacities (a thermodynamic bulk property) change as they transition to ... -
EFFECTS OF TEMPERATURE ON METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR CHARACTERISTICS
(2016-05-20)The metal-oxide-semiconductor field-effect transistor (MOSFET) is a transistor used for amplifying and switching on circuits. In this study, the MOSFET parameters were computationally modeled, analysed and presented. The ... -
EFFECTS OF TEMPERATURE ON METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR CHARACTERISTICS
(University of Eldoret, 2013)The metal-oxide-semiconductor field-effect transistor (MOSFET) is a transistor used for amplifying and switching on circuits. In this study, the MOSFET parameters were computationally modeled, analysed and presented. The ... -
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 ...