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Dr. LMM De Silva

Senior Lecturer

Faculty of Applied Sciences

Email : malith@appsc.sab.ac.lk

    Qualifications

  •  Bachelor of Science (Special) Degree in Applied Physics, Second Class Upper Division, Sabaragamuwa University of Sri Lanka, 2010-2014

    Master of Engineering in Information and Management Systems Engineering, Nagaoka University of Technology, Nagaoka, Niigata, Japan, 2019-2021

    Doctor of Engineering in Energy and Enviroment Science, Nagaoka University of Technology, Nagaoka, Niigata, Japan, 2021-2025

    Research Interests

  • -Dye Sensitized Solar Cells

    -Effect of Sound on Biological Bodies

    -Astro Physics (Gravitational Wave and Cosmic Ray)

    -Plasma Physics 

    Recent Publications

  • International Journals:

    1.   Zhibin Dai (戴智斌), Paula Szkody, Mark Kennedy, Jie Su (苏杰), N. Indika Medagangoda, Edward L. Robinson, Peter M. Garnavich, and L. Malith M. De Silva, "A Phenomenological Model for the   Light Curve of Three Quiescent Low-inclination Dwarf Novae and One Pre-cataclysmic Variable", The Astronomical Journals, Volume 156, Number 4, pp 153 - 170, 2018, DOI:10.3847/1538-3881/aadb99
    2. Dharmathilaka J. A. D. M, Medagangoda N. I., De Silva L.M.M, Aponsu G. M. L. P, Ruwangika N. R. A. M, “Outbursts Analysis of Dwarf Novae Subtypes”, International Journal of Advanced Research in Science, Engineering and Technology, Vol. 6, Issue 3 , March 2019, pp 8467 – 8479, ISSN: 2350-0328, http://www.ijarset.com/currentissue.html.
    3. De Silva L. M. M, Swarnamali A. D. D, Marasinghe B. N. A, Rathnayake R. M. S. U. K, Aponsu G. M. L. P, Hettiarachchi C. N, "Effect of Sound on "Salmonella Typhimurium and Escherichia Coil 0157:H7"",International Journal of Advanced Research in Science, Engineering and Technology, Vol. 6, Issue 8 , August 2019, pp 10452 – 10466, ISSN: 2350-0328, http://www.ijarset.com/currentissue.html.
    4. L. Malith M. De Silva, Taichi Takezaki, W. L. T. S. Fernando, Kazumasa Takahashi, Takashi Kikuchi and Toru Sasaki, "Comparative study of magnetic field effect on fast plasma flow of heavy and light species investigated by spectroscopic measurement", Japanese Journal of Applied Physics,63,09SP27(2024), https://doi.org/10.35848/1347-4065/ad7861 
    5. L. Malith M. De Silva, Taichi Takezaki, W. L. T. S. Fernando, Kazumasa Takahashi, Takashi Kikuchi and Toru Sasaki, "Investigation of the Compositional Effect of Mixed Gas of Heavy and Light Gas Species on the Parameters of Mixed Plasma Driven by Pulsed Power Discharge", Plasma and Fusion Research 20, 1406032 (2025), DOI: 10.1585/pfr.20.1406032

    Conference Proceedings:

    Full Papers

    1. L. M. M. De Silva, G.M.L.P. Aponsu, Vijanaka Fernando, J.C.N. Rajendra and V.P.S. Perera “Performance Of Dye-Sensitized Solar Cells Coated With An Ultra Thin  Layer Of Sio2 Around Sno2 Particles”, The Annual Academic Session - 2014, Open University of Sri Lanka, pp 324-327, ISSN: 2012-9912.
    2. L. M. M. De Silva, G. M. L. P. Aponsu, V. P. S. Perera, I. K. Perera and A. C. P. K. Siriwardhana “Composite SnO2/ ZrO2 Dye-sensitized Photo Electrochemical Solar Cells”, The 16th Conference of the Science Council of Asia - 2016, pp 277-282, ISBN: 978-955-590-123-9.
    3. De Silva L. M. M. , Bodhika J. A. P., Gunathilaka P. D. D. I., Aponsu G. M. L. P. “Designing of an Anechoic Chamber for Research Applications”, International Conference on Recent Advances in Engineering, Technology and Science -2018, Bengaluru, India, pp 7-9, ISBN: 978-93-87703-63-6.

    Abstracts

    1. S. M. Samaranayake, H. M. B. I. Gunathilaka, T. L. Dammalage, A. A. C. N. Atapattu & L. M. M. De Silva, "Determination of a Better Place for a Solar Park Using Remote Sensing Data", The 7th Annual Research Session, Sabaragamuwa University of Sri Lanka, pp 36, ISBN: 978-955-644-039-3.
    2.  Kumara P.A.M.M, De Silva L. M. M. & Aponsu G. M. L. P., "Effect of Sound on the Staphylococcous Aureus Baterium", 5th Ruhuna International Science  and Technology Conference - 2018, Ruhuna University of Sri Lanka, pp 56, ISSN: 1391-8796.
    3.  Dharmathilaka J. A. D. M., De Silva L. M. M. & Aponsu G. M. L. P., "Effect of Sound frequencies of 500 Hz, 20 kHz, and 75 kHz on the growth of green gram plants", 5th Ruhuna International Science and Technology Conference - 2018, Ruhuna University of Sri Lanka, pp 102, ISSN: 1391-8796.
    4. P. A. M. M. Kumara & De Silva L. M. M. "Invention of Table Top Steam Sterilizer", International Research Conference of Uwa Wellassa University 2019. (IRCUWU 2019), Uwa Wellassa University of Sri Lanka, pp 496, ISBN: 978-955-0481-25-5.
    5. L. M. M. De Silva & P. K. N. Prasad, "Development of an Automated Beep Test Machine to Count the Levels, Shuttles and VO2 Max Level", International Research Conference of Uwa Wellassa University 2019. (IRCUWU 2019), Uwa Wellassa University of Sri Lanka, pp 503, ISBN: 978-955-0481-25-5.
    6. Swarnamali. A. D. D., Marasinghe. B. N. A., De Silva L. M. M., Rathnayake R. M. U. S. K., "Effect of Sound Frequency on Salmonella Typhimurium", Asia International Conference on Multidisciplinary Research - 10 May 2019, Colombo, Sri Lanka, pp 41, ISBN 978-955-3751-01-0.
    7.  Marasinghe. B. N. A., Swarnamali. A. D. D., Rathnayake R. M. U. S. K., De Silva L. M. M., "Effect of Sound on the Growth of Escherichia Coil O157:H7", Asia International Conference on Multidisciplinary Research - 10 May 2019, Colombo, Sri Lanka, pp 34, ISBN 978-955-3751-01-0. 
    8. L. Malith M. De Silva, Hirotaka Takahashi, "TOWARD SIMULATION IN GRAVITATIONAL WAVE DISCRIMINATION FROM NOISE", International conference "5th Gigaku-2020" at Nagaoka University of Technology, Japan on 30th of October, 2020.
    9. De Silva Malith, Katsuko T. Nakahira, Mei Takeda, Nobuyuki Kand, Ken-ichi Oohara, Tomoya Takiwaki, Kei Kotake, Hirotaka Takahashi, "Effectiveness of Hilbert Huang Transform for analyzing gravitational wave data from supernova", Information Processing Society of Japan (IPSJ) 83rd National Convention in Japan on 19th of March, 2021
    10. L.M. M. De Silva, Toru Sasaki, Katsuko T. Nakahira, Hirotaka Takahashi, "Investigation of Frequency Evolution of Gravitational Waves From Core Collapse Supernova by Hilbert-Huang Transform", 9th International Conference of Sabaragamuwa University of Sri Lanka on 3rd of December, 2021
    11. L. Malith M. De Silva, Shuto Watanabe, Taichi Takezaki, Kazumasa Takahashi, Toru Sasaki and Takashi Kikuchi, "Investigation of Effect of Gas Species and Magnetic Filed on Plasma Flow Velocity and Ion Density Driven by Tapered Cone Plasma Focus Device", EAPPC and BEAMS 2022, 18th of Sepetember, 2022 in Seoul Korea.
    12. L. Malith M. De Silva, Shuto Watanabe, Taichi Takezaki, Kazumasa Takahashi, Toru Sasaki and Takashi Kikuchi, "Investigation of Compositional Effect of Mixed Gas on Plasma Velocity Generated by Plasma Focus Device", International Conference on Applied Sciences Sabaragamuwa University of Sri Lanka, 31st of May, 2023
    13. L. Malith M. De Silva, Toru Sasaki,  Taichi Takezaki, Takashi Kikuchi and Kazumasa Takahashiand "Study on Particle Acceleration Mechanism and Effect on Electron Temperature Due to Interaction of Argon and Helium Plasma with a Perpendicular Magnetic Field", 16th International Symposium on Advanced Plasma Science and its Application for Nitrides and Nanomaterials, Nagaoya University Japan, 3rd - 7th of March, 2024 
    14. L. Malith M. De Silva, Toru Sasaki,  Taichi Takezaki, Takashi Kikuchi and Kazumasa Takahashiand "Comparative study of Ion Energy Distribution Function of Fast Plasma Flow Generated by Tapered Cone Plasma Focus Device using Retarding Field Energy Analyzer", ISPlasma2025/IC-PLANTS2025, Chubu University Japan, 5th of March, 2025 
    15. Wanigarathne M. S. , L. Malith M. De Silva and Fernando, W.  T. L. S "Computational Evaluation of Thermal Insulation Performance of Sustainable Wall Material for Tropical Climate Applications", Conference: 4th International Conference on RECENT TRENDS IN MATERIALS SCIENCE & DEVICES (ICRTMD-2026), At: Department of Physics J.V.M.G.R.R. College, Charkhi Dadri, Haryana, India, 8th of April, 2026
    16. Wanigarathne M. S. , Fernando, W.  T. L. S and L. Malith M. De Silva, "Development of a Hazard Indicator on Road Slipping Level Detection for DriverAssistant Systems", 5th International Conference on Sustainable Education and Technological Innovation (ICSET) At: Taipei, Taiwan, 17th and 18th March, 2026, ISBN : 978-81-981425-3-5

    17. B. A. Sathya, L. M. M. De. Silva, J. A. D. M. Dharmathilaka1, P. R. S. Tissera, N. I. Medagangoda, S. S. Gunasekara, D. B. T. L. S. Piyadasa, "A Spectroscopic Analysis of the Relationship Between Mass Transfer Rate and Orbital Period in Cataclysmic Variable Stars", 2nd International Conference on Applied Sciences (ICAPS 2026), Sabaragamuwa University of Sri Lanka, 19th of August, 2026.  

    18. P. A. I. Maduhansi,  L.Malith M.De Silva, J. A. D.  M. Dharmathilaka,  P. R. S. Tissera, N. I. Medagangoda, Theekshana Piyadasa, "Ultraviolet Spectroscopy of Classical Nova V838 Herculis During Outburst",  2nd International Conference on Applied Sciences (ICAPS 2026), Sabaragamuwa University of Sri Lanka, 19th of August, 2026.  

    19. B. A. Sathya, L. M. M. De. Silva, J. A. D. M. Dharmathilaka1, P. R. S. Tissera, N. I. Medagangoda, S. S. Gunasekara, D. B. T. L. S. Piyadasa, "A Spectroscopic Analysis of the Relationship Between Mass Transfer Rate and Orbital Period in Cataclysmic Variable Stars", 5th Applied Sciences Undergraduate Research Symposim (APSURS 2026), Faculyt of Applied Sciences, Sabaragamuwa University of Sri Lanka, 20th of August, 2026.  

    20. P.  A. I. Maduhansi,  L.Malith M.De Silva, J. A. D.  M. Dharmathilaka,  P. R. S. Tissera, N. I. Medagangoda, Theekshana Piyadasa, "Catalogue Development And Analysis of Cataclysmic Variable Stars", th Applied Sciences Undergraduate Research Symposim (APSURS 2026), Faculyt of Applied Sciences, Sabaragamuwa University of Sri Lanka, 20th of August, 2026. 

    Positions Held/Hold or service Rendering/Rendering (University Level/National Level/International Level)

    • Team member of the organizing committee of the "iSciTech - 2016" international conference (April, 2016)
    • Team member of the Abstract booklet preparation committee of the Department of Physical Sciences & Technology (2016)
    • Team member of the training booklet preparation committee of the Department of Physical Sciences & Technology (2017)
    • Student Counselor of the Sabaragamuwa University of Sri Lanka (2018, 2019 and 2026) 
    • Activity Team Member of the Project Implementation Team, Enriching Undergraduates Research Capabilities Through Upgrading Existing Research Facilities in the Department of Physical Sciences & Technology, Development Projects/Accelerating Higher Education Expansion and Development (AHEAD), Department of Physical Sciences & Technology, Sabaragamuwa University of Sri Lanka (January 2019 to date)
    • Member of the Task Force for Self Evaluation Report (SER) compilation for Program Review (PR) of the Faculty of Applied Sciences, 2020 (2019 )
    • Coordinator of the student orientation programme for 23/24 batch in the Faculty of Applied Sciences (2025)
    • Advisor of the student orientation programme for 24/25 batch in the Faculty of Applied Sciences (2026)
    • Chair of the Applied Sciences Research Symposium (APSURS) - 2026