Volume 41, 2025

Proceedings of the 41^st Technical Sessions, March 2025, PRL III, Department of Physics, University of Colombo, Sri Lanka

 

Session I (0830-1000 hrs) – Session Chairman: Dr. R. C. L. De Silva

1. Design And Construction of an Inexpensive Magnetometer for the Study of Geomagnetic Variations and Solar Coronal Mass Ejections

A. H. M. D. N. Abeysinghe, K. P. S. C. Jayaratne, J. Adassuriya

Proceedings of the Technical Sessions, 41 (2025) 1-8

2. Advancing Photovoltaic Performance in Quantum Dot-Sensitized Solar Cells Through Sulfur-Enhanced CdS Quantum Dots and Innovative Material Engineering

N. F. Ajward, J. V. P. Fernando & V. P. S. Perera

Proceedings of the Technical Sessions, 41 (2025) 9-19

3. Optimized Low-Temperature Gas Sensing Performance of Cu2O-ZnO Heterostructured Thin Films

A. H. M. N. N. Bandara, K. N. D. Bandara, G. K. R. Senadeera, V. P. S. Perera

Proceedings of the Technical Sessions, 41 (2025) 20-30

4. Reviewing the Capacitive Properties of Cu2O Crystal Structure and Composite

U. A. D. P. Bhagya, P. K. D. D. P. Pitigala

Proceedings of the Technical Sessions, 41 (2025) 31-39

5. Light Curve Modeling of Eclipsing Binary Systems with Delta Scuti Component

J. A. D. M. Dharmathilaka, J. Adassuriya, K. P. S. C. Jayaratne, Jordi L. Gutiérrez

Proceedings of the Technical Sessions, 41 (2025) 40-49

6. Machine Learning Application for the Classification of Solar Radio Bursts

D. S. Kulasuriya, K. P. S. C. Jayaratne, J. Adassuriya

Proceedings of the Technical Sessions, 41 (2025) 50-58

Session II (1030 -1145 hrs) – Session Chairman: Professor P. A. A Perera

7. Determination of Speed and Source Height of Coronal Shock Waves Using Type II Solar Radio Bursts

G. L. S. S. Liyanage, J. Adassuriya, K. P. S. C. Jayaratne, C. Monstien

Proceedings of the Technical Sessions, 41 (2025) 59-67

8. Development of A Low Cost Geophone for Finding Epicenter of An Earthquake

M. S. F. Musfiqa, D. D. Dharmasiri and N. G. S. S. Gamage

Proceedings of the Technical Sessions, 41 (2025) 68-78

9. Two-Level Open Quantum Systems: Energy Dissipation, Population Dynamics, and Entropy Evolution

Kanishka W. Palihakkara, Mahesh N. Jayakody

Proceedings of the Technical Sessions, 41 (2025) 79-86

10. A Systematic Review of Urban Heat Island Impact on Selected Asian Cities

Saumya Chathuranga, K. P. S. Chandana Jayaratne

Proceedings of the Technical Sessions, 41 (2025) 87-95

11. Impact of Core Relaxation on the Asymmetry Parameter in Photoionization of Spin-Orbit Split Components of the Xenon 3d Subshell

K. P. R. V. Silva, C. R. Munasinghe, S. T. Manson

Proceedings of the Technical Sessions, 41 (2025) 96-103

Session III (1300-1345 hrs) – Session Chairman: Professor K. P. S. C. Jayaratne

12. Dye-sensitized Solar Cells using Natural Dyes Extracted from Barbados Cherry Fruit, Purple Shamrock Leaves, and Wild Snake Root Fruit

W. M. G. H. P. Wickramasinghe, U. W. N. H. Gunawardhana, G. C. Wickramasinghe, S. Davisan, V. P. S. Perera, S. H. R. T. Sooriyagoda

Proceedings of the Technical Sessions, 41 (2025) 104-113

13. Study of Low-temperature Electrodeposition Growth of Copper(I) Oxide (Cu2O) Thin Films on Indium Tin Oxide (ITO) Glass Substrate

J. R. R. Wickramasingha, P. K. D. D. P. Pitigala, W. W. P. De Silva

Proceedings of the Technical Sessions, 41 (2025) 114-123

14. Crustal Structure Beneath the Pallekale Seismic Station in Sri Lanka using Receiver Function Analysis

W. M. D. M. Wickramasinghe, N. G. S. Shantha Gamage

Proceedings of the Technical Sessions, 41 (2025) 124-130

15. Presidential Address 2025: Quantum Consciousness

Institute of Physics, Sri Lanka