DSpace Home
→
UoJ Publications
→
Conference Proceeding
→
Undergraduate Research Symposium
→
Physics Society 2022
→
Browsing Physics Society 2022 by Issue Date

Browsing Physics Society 2022 by Issue Date

Now showing items 1-18 of 18

Antimicrobial potentials of mangrove plants Avicennia marina and Rhizophora mucronata against selected fungal and bacterial species.

Rajasiri, A.M.P.; Krishnapillai, N.; Sathyaruban, S. (University of Jaffna, 2022)

Antimicrobial potential is a common tool to assess medicinal value of the plant. Mangrove plants have several bioactive compounds and considered as medicinal plants. Thus, this study was aimed to investigate the ...
Lead-free, low-cost radiation shielding material for clinical electron beam radiotherapy

Jayamaha, J. M. D. D. N.; Pathmathas, T.; Ramalingam, A. (University of Jaffna, 2022)

Clothing of the conventional radiation shielding protects patients and medical personnel from unnecessary radiation exposures constructed from lead-soaked sheet materials, which is a source of environmental pollution. ...
Antifungal activity of Zingiber officinale against selected fungi

Lakshani, B.H.M.H.; Ravimannan, N. (University of Jaffna, 2022)

The use of plants for the preparation of medicines has been increased in the world due to the presence of antimicrobial agents in the plants. Antimicrobial agent is a compound which selectively destroys or inhibits the ...
Health issues from the exposure of the radiation from Telecommunication base stations: A case study from Ampara, Sri Lanka

Priyanka, U.; Pathmathas, T. (University of Jaffna, 2022)

Every current technology is having beneficial positive as well as undesirable deleterious effects. This research was carried out to emphasize the health impacts on human beings due to electromagnetic radiation radiated ...
Optical simulation of hemispherical silicon nanostructure for silicon solar cells

Vibra, G.; Sivasubramaniam, S. (University of Jaffna, 2022)

Silicon, being an indirect band gap material, has low optical absorption coefficient especially at the energies near the band gap. Hence, the efficient light management scheme is needed to trap the light inside the ...
Optical simulation of one-dimensional silicon gratings for silicon solar cells

Venushiya, A.; Senthuran, S. (University of Jaffna, 2022)

Minimizing the optical losses is very crucial in achieving higher efficiencies is silicon solar cells. More than 30% of the incident light is lost via reflection in planner silicon solar cells and this is more pronounced ...
Comparison of Li+ and Na+ alkali-cations on the ionic transport properties of solid-polymer electrolytes intended for secondary batteries

Dassanayake, D.H.K.T.; Jayamaha, J.H.T.B.; Jathushan, V.; Vignarooban, K. (University of Jaffna, 2022)

Battery chemistries beyond lithium-ion such as sodium-ion batteries (SIBs) are becoming popular these days due to the limited availability and high cost of lithium raw materials. Designing suitable electrolytes is of ...
Synthesis and characterization of poly (vinyl alcohol) based aluminum-ion conducting solid-polymer electrolytes

Viduranga, M.H.; Kajani, M.; Jayamaha, J.H.T.B.; Jathushan, V.; Vignarooban, K. (University of Jaffna, 2022)

The R&D works on so-called ‘batteries beyond lithium-ion’ took an exponential growth in recent days due to the overwhelming demand for secondary batteries; particularly for portable electronic and automotive applications. ...
Optical and Electronic properties of greener synthesized colloidal semiconducting CdS nanoparticles

Suvanya, A.; Niluja, S.; Elilan, Y.; Shivatharsiny, Y. (University of Jaffna, 2022)

The utilization of toxic chemicals for the synthesis of nanoparticles has limited its application in the field of nanotechnology. The use of natural precursors in the nanoparticle synthesis has opened new paths in the ...
Palmyrah kernel shell derived hard carbon as an anode material for secondary sodium-ion batteries

Sankhani, J.; Velauthamurty, K.; Vignarooban, K.; Sashikesh, G. (University of Jaffna, 2022)

Rechargeable lithium-ion batteries (LIBs) are the most essential inventions that have driven the development of electronic devices over the decades. Scientists are currently working hard to develop rechargeable sodium-ion ...
Mechanical exfoliation of graphene from Sri Lankan vein graphite for field effect transistor application

Joy Karunya, M.; Thanihaichelvan, M. (University of Jaffna, 2022)

Graphene is one of the most promising nanomaterial due to its unique combination of exceptional properties with wide range of applications. Single atomic thickness with extremely high electron mobility and a zero-band ...
Projected changes in temperature and rainfall pattern over Jaffna peninsula in Sri Lanka

Tharsika, Y.; Thevakaran, A. (University of Jaffna, 2022)

This study investigates the changes in future climate over Jaffna peninsula in Sri Lanka using data extracted from variable resolution Conformal Cubic Atmospheric Model (CCAM) simulations. CCAM is based on a quasi-uniform ...
Effect of two step sintering profile on hydrothermal ageing resistance of tetragonal zirconia ceramics

Nilogini, S.; Praveena, S.; Ng, C.K.; Ramesh, S.; Sutharsini, U. (University of Jaffna, 2022)

Tetragonal zirconia is known as ‘ceramic steel’ due to its excellent hardness and fracture toughness. However, at low temperatures (< 300 C) and in the presences of hydroxyls, tetragonal zirconia transforms into ...
Effect of ceria and yttria stabilizers on hydrothermal ageing resistance of two step sintered zirconia ceramics

Subasingha, G.B.S.; Ng, C.K.; Ramesh, S.; Sutharsini, U. (University of Jaffna, 2022)

Tetragonal zirconia exhibits excellent hardness and fracture toughness due to its transformation toughening mechanism. However, zirconia is susceptible to tetragonal to monoclinic phase transformation at low temperatures, ...
Electrical conductivity study across the Carbon nanotube (CNT)-gold Schottky junction

Disagini, J.; Thanihaichelvan, M. (University of Jaffna, 2022)

In this work the electrical conduction across the CNT bundle gold Schottky junction under the influence of external electric field using a conductive atomic force microscope (c-AFM). The CNT bundles were fabricated by ...
Influence of post-annealing temperature on the properties of thermally evaporated CuI thin film

Gunasekara, M.S.S.; Thivakarasarma, T.; Dhayalan, V.; Ravirajan, P. (University of Jaffna, 2022)

Copper Iodide (CuI) has been widely used in various optoelectronic applications including solar cells, light-emitting diodes owing to the high hole mobility, high electrical conductivity, wide direct bandgap, high ...
Natural dyes extracted from Catharanthus flower petals for dye-sensitized solar cells application

Senevirathna, H.M.C.U. (University of Jaffna, 2022)

Dye-Sensitized Solar Cells (DSSCs) are one of the most studied cost-efficient solar cells with commercially available Ru-based dyes as the photosensitizer[1]. There has been a considerable interest to utilise natural ...
Voice controlled automatic hand sanitizer dispenser with thermometer

Mirudula, S.; Jeyaram, S.; Loheeswaran, S. (University of Jaffna, 2022)

Recent days, the whole world is struggling with COVID-19 pandemic. As one of the preventive measures, people’s body temperatures are measured and hands are sanitized while they enter into most of the organizations. ...

Now showing items 1-18 of 18

Search DSpace

Advanced Search

Browse

All of DSpace
This Collection

Browsing Physics Society 2022 by Issue Date

Browsing Physics Society 2022 by Issue Date

Search DSpace

Browse

All of DSpace

This Collection

My Account