Invited Talks

Invited Talks

  1. Keynote: L. K. Ang Photoemission and optical tunnelling of quantum 2D materials, Annual International Conference on Optics, Photonics and Lasers (AICOPL2025), Rome, Italy (March 13-15, 2025) link
  2. Plenary: L. K. Ang, Electron emission and quantum transport: 2D materials and Fractiona Modeling, 17th International conference on Plassma Science and Applications (ICPSA), Kuala Lumpur, Malaysia, 10 to 13 Nov (2024) link
  3. L. K. Ang, Modelling of Electron injection in nanoelectronics for 2D materials and non-ideal conditions, 2024 International Workshop on Microwave and Microsystems (IWMM), Tianjin, China 18 – 20 oct (2024).
  4. Keynote: L. K. Ang, Fractional modelling of charge injection and quantum transport,  2nd International Conference on  Low-Energy Digital Devices and Computing (ICLED 2024), Singapore 1 to 4 Aug (2024) link
  5. Plenary: L. K. Ang, Review of Electron Emission from Metals to 2D Materials, The 51st IEEE International Conference on Plasma Science (ICOPS) and the 4th Asia-Pacific Conference on Plasma and Terahertz Science (APCOPTS), Beijing, China, 16 to 20 June (2024) link
  6. L. K. Ang, Fractional modelling of charge injection and quantum transport from 2D materials and devices, Session 404: Graphene, 2D Materials, Nanomaterials and Nanotechnology, WCAM 2024, Osaka Tokyo, Japan, 20 to 24 May (2024)
  7. L. K. Ang, Analytical electron emission scaling laws for cathode: 2D materials and surface roughness by fractional modelling, 2024 Annual meeting of the Physical Society of Taiwan, Taoyuan, 24 Jan (2024).
  1. L. K. Ang, Charge injection and Contact resistance from DC to THz for 2D materials based electronics, University of Electron University of Electronic Science and Technology of China, 1 Dec (2023). IEEE NPSS DLS – virtual
  2. L. K. Ang, Revision of emission models due to 2D materials, Seminar, Los Alamos National Laboratory, USA, 5 July (2023). IEEE NPSS DLS – virtual
  3. L. K. Ang, Physics, Applied Maths and Engineering: my research and educational pedagogy in SUTD, 50 Years of Physics in Singapore: A Symposium in Celebration of Professor K K Phua, Singapore, 3 Feb (2023)
  4. L. K. Ang, Revision of emission models due to 2D materials and ultrafast-lasers, INMM/IEEE-NPSS Seminar, University of Michigan, Ann Arbor, USA, 2 Feb (2023). IEEE NPSS DLS – virtual
  1. L. K. Ang, Some applications in physics and engineering using Fractional modelling, International Conference on Plasma Science and Applications (ICPSA) 2022 (AAAPT & Gauhati University), 28 to 30 December (2022). IEEE NPSS DLS – virtual
  2. L. K. Ang, Y. S. Ang, Luo Yi, W. J. Chen and C. Chua, Electron emission models for two-dimensional and topological materials, 64th American Physics Society, Division of Plasma Physics (APS-DPP) Annual Meeting, Spokane, Washington, USA, October 17 – 21 (2022) – Virtual
  3. L. K. Ang, Y. S. Ang, W. J. Chen and C. Chua, A perspective of electron emission models for emerging quantum materials, the 15th Asia Pacific Physics Conference (APPC15), South Korea, August 21 – 26 (2022) – virtual
  4. L. K. Ang, Electron emission and injection for Quantum Dirac/Weyl-based Materials and Devices, Colloquium, Department of Engineering Science, National Tsinghua University, Taiwan, 13 April (2022). – IEEE NPSS DLS – Virtual
  1. L. K. Ang, C. Chua, Y. S. Ang, C. Y. Kee, Abnormal transition from unconventional field emission to space charge limited current, 2021 IEEE International Conference on Plasma Science (ICOPS), Virtual, 12 – 16 Sept (2021)
  2. Y. S. Ang, L. K. Ang, C. H. Lee, Universal Scaling law for electron field emission, 2021 IEEE International Conference on Plasma Science (ICOPS), Virtual, 12 – 16 Sept (2021).
  3. L. K. Ang, Charge injection and its interaction with quantum materials, International Conference on “Materials for Humanity (MH 21), Symposium J Quantum materials (virtual), Singapore, 7 July (2021).
  4. L. K. Ang, Electron Emission from Two-Dimensional Materials and Applications, IEEE NPSS Distinguished Lecture at CAS- National Center for Nanoscience and Technology (virtual seminar), China, 21 June (2021). – IEEE NPSS DLS
  1. L. K. Ang, Some Applications of Fractional Modeling in Physics and Engineering”, Singapore University of Technology and Design, SHARP programme (virtual seminar), Singapore, 6 November (2020) – IEEE NPSS DLS
  1. L. K. Ang, Charge Injection for Two-Dimensional Materials based Electrical Contact and Fractional modelling, Nanyang Technological University, Condense Matter Physics Seminar, Singapore, 21 October (2019). – IEEE NPSS DLS
  2. L. K. Ang, Charge Injection for Two-Dimensional Materials based Electrical Contact and Fractional modelling, National University of Singapore, Physics Seminar, Singapore, 11 September (2019). – IEEE NPSS DLS
  3. L. K. Ang, Scaling laws for device physics and engineering, SINGAPOREAN RESEARCHERS GLOBAL SUMMIT, NUS, Singapore 6 Aug (2019)
  4. L. K. Ang, Fractional modeling in computational physics and engineering, Zhejiang University, Seminar, China 25 April (2019). – IEEE NPSS DLS 
  5. Y. S. Ang, Revised Shockley diode questions for 2D materials, IEEE International Nanoelectronics Conference (INEC), Kuching, Sarawak, July 3 – 5 (2019).
  6. Y. S. Ang, Theoretical Modeling of Electron Emission Phenomena in Complex and Low-Dimensional Materials, The first joint meeting of the International Vacuum Nanoelectronics (IVNC) and International Vacuum Electron Sources (IVESC) Conferences, Cincinnati, Ohio, USA, July 22-26 (2019).
  1. L. K. Ang, Electron Emission theories and applications, Nano Micro Conference, Jeju Island, South Korea, 17-20 Dec (2018).
  2. L. K. Ang, Ultrafast laser-induced electron emission, Singapore IEEE NPSS chapter seminar, Institute of High-Performance Computing, 19 Nov (2018). – IEEE NPSS DLS
  3. L. K. Ang, Electron Emission and Space Charge limited Current from 2D novel materials, Asia-Pacific Conference on Plasma and THz Science, Xian, China , 15 to 18 Aug (2018).
  4. L. K. Ang, Computational Electromagnetics at Fractional Dimensions, USA AFRL (Wright Patterson) Sensor Directorate Seminar, Dayton, Ohio, USA 30 July (2018).
  5. L. K. Ang, Electron emission from 2D materials and Fractional modeling, USA AFOSR Programme Review, Arlington, VA, USA 24 to 26 July (2018).
  6. L. K. Ang, Ultrafast laser induced hot carriers and its transport, SPIE conference Ultrafast Bandgap Photonics, Orlando, USA 15 to 18 April (2018).
  7. L. K. Ang, Applying Fractional Calculus in Modelling for Electromagnetism and Electronics, Seminar, Department of Computational Mathematics, Science and Engineering, Michgan State University, 13 April (2018).
  8. L. K. Ang, Electron Emission from Two-Dimensional Novel Materials and Applications , Michigan Institute of Plasma Science and Engineering (MIPSE) Colloquium, University of Michigan, 11 April (2018).
  9. L. K. Ang, New scaling of charge injection at 2D materials based interface, 8th IEEE international nanoelectronics conference, Kuala Lumpur Malaysia, 3 to 5 Jan (2018).
  1. M. Zubair (postdoc fellow), Y. S. Ang, and L. K. Ang, Recent Advances in Electrodynamics in Fractional Dimensions: Theory and Applications, PIERS2017, Singapore, 19 to 22 November (2017).
  2. Y. S. Ang (postdoc fellow), and L. K. Ang, Electron emission, Andreev transport and valleytronics in 2D Dirac materials, The 12th IEEE Nanotechnology Materials and Devices conference, 2 to 4 October (2017).
  3. L. K. Ang, Fractional electrodynamics from theory to applications, Plasma Physics Colloquium, USA Naval Research Laboratory, 9 Aug (2017) � under ONRG Visiting Scientist Program.
  4. L. K. Ang, Electron Transport at Graphene-contact and Fractional modeling, Seminar, Zhejiang University, Faculty of Information Technology 5 July (2017).
  5. M. Zubair (postdoc fellow), Y. S. Ang, and L. K. Ang, T13.85: Thickness dependence of space-charge-limited currents in spatially disordered organic semiconductors, 2017 Institute of Physics Singapore conference, 22 to 24 Feb (2017).
  1. L.K.Ang, Tutorial speaker: Theory and modeling of nanoscale thermal electron emitters, The 29th International Vacuum Nanoelectronics Conference (IVNC 2016), Vancouver, Canada, 11 to 15 July (2016).
  2. L. K. Ang, Ultrafast laser induced electron emission, and electron emission from graphene, Seminar, University of British Columbia, Electrical and Computer Engineering, 16 June (2016).
  1. L.K.Ang, Graphene emission, energy harvesting and plasmonics, AFOSR Plasma Electro-Energetic Physics Program Review, Arlington, VA, USA, 30 November to 1 December (2015).
  2. Shijun Liang (PhD student), Thermal energy harvesting, EMN Guangzhou meeting: Energy material and nanotechnology, Guangzhou, China, 3 to 6 December (2015).
  3. L. K. Ang, Two-dimensional Materials based thermionic devices, International Conference on Small Science, Phuket, Thailand, 4 to 7 November (2015).
  4. YingBin Zhu (postdoc fellow), Ultrafast Laser Induced Electron Emission from a Nano Tip and Space Charge Limited Current, Section 102 Nano-optics and Nano-photonics, BIT 5th Annual World Congress on Nano Science and Technology, Xi’an, China, 24 to 26 Sept (2015).
  5. Kelvin J. A. Ooi (postdoc fellow), Graphene for Nanophotonic and Nanoplasmonic Applications, Section 102 Nano-optics and Nano-photonics, BIT 5th Annual World Congress on Nano Science and Technology, Xi’an, China, 24 to 26 Sept (2015).
  6. YingBin Zhu (postdoc fellow), Ultrafast plasmon enhanced electron emission and novel scaling for space charge limited current, International of Vacuum Nanoelectronics Conference, Guangzhou, China, 13 to 17 July (2015).
  7. L. K. Ang, Ultrafast induced electron emission, graphene electron emission, and graphene plasmonic, seminar, Wright-Patterson AFRL Materials Directorate, 10 July (2015).
  8. L. K. Ang, Ultrafast electron emission from sharp tip, space charge limited current, and from graphene, seminar, Kirtland AFRL Direct Energy Directorate, 7 July (2015).
  9. L. K. Ang, Ultrafast electron emission from sharp tip and graphene, Seminar, School of optical-electrical and computer engineering, Shanghai University of Shanghai for Science and Technology, 23 June (2015).
  10. YingBin Zhu (postdoc fellow), Plasmonic enhanced electron emission and space charge limited current, Seminar, Department of Physics, Zhejiang university, 16 June (2015).
  11. L. K. Ang, Design of graphene-based interfaces for applications in energy, electronics and photonics, Seminar, Department of Physics, Zhejiang university, 16 June (2015).
  12. L. K. Ang, Revision of Electron Emission Models for Novel Materials like Graphene and Operating at Ultrafast Time Scale, Section 103 Graphite and Graphene Technology, BIT 1st Annual World Congress and Expo of Smart Materials-2015, Busan, South Korea, 23 to 25 March (2015).
  1. L. K. Ang, “Modeling of electron emission from graphene and metal tip”, The 27th International Vacuum Nanoelectronics Conference (IVNC 2014), Engelberg, Switzerland, 6 – 10 July (2014)
  2. L. K. Ang, “Modeling of electron emission from graphene and metal tip”, The 8th joint meeting of Chinese Physicists Worldwide (OCPA8), Singapore, 23 – 27 June (2014).
  3. Kelvin Ooi (PhD student) and L. K. Ang, “ Electron beam excitation on doped graphene plasmon for generation of coherent radiation” 2014 IEEE conference of plasma science (ICOPS),  Washington DC, USA 25-29 May (2014),
  1. L. K. Ang, “Development of photcathode using ultrafast laser excitation”, The International Conference on Plasma Science and Applications (ICPSA2013), Singapore, 4-6 December (2013).
  2. S. J. Liang (PhD student) and L. K. Ang, “Electron Over-barrier Emission Mechanism of Single Layer”, The 14th IEEE International Vacuum Electronics Conference, Paris, France 21-23 May (2013).
  1. L. K. Ang, “Modeling of Ultrafast laser induced electron emission from a sharp tip”, CI2.2, The 54th Annual meeting of American Physical Society-Division of Plasma Physics (APS-DPP), Providence, Rhode Island, 29 Oct – 1 Nov (2012).
  2. L. K. Ang, “Modeling of Klein tunneling for electrin field emission from graphene for high current cathode”, AFOSR Plasma and Electro-energetic Program Review meeting, 17 – 18 Jan (2012).
  1. L. K. Ang, “Physics and modeling of electron emission and injection from low current to high current regime”, IVESC 2010 & NANOcarbon 2010, Nanjiang, China, 14-16 October (2010).
  2. L. K. Ang, “Theory of space charge limited current in free space and solid”, Seminar, National Tsing Hua University, Taiwan, 14 June (2010). – funded by Central for Mathematics and Theoretical Physics, National Central University.
  3. L. K. Ang, “Physics and modeling of electron emission and injection from low current to high current regime”, Seminar, National Central University, Taiwan, 11 June (2010). – funded by Central for Mathematics and Theoretical Physics, National Central University.
  4. L. K. Ang, “Electron emission from FN law to CL law and its novel applications”, Seminar, Naval Research Laboratory, USA, 6 Jan (2010). – funded by ONRG visiting scientist grant.
  5. L. K. Ang, “Space charge limited current in free space and solids”, Seminar, University of Maryland, USA, 5 Jan (2010). –funded by ONRG visiting scientist grant.
  1. L. K. Ang, “Space charge limited current in quantum and ultrafast regimes”, The 7th International Vacuum Electron Source Conference, London, UK, 3-6 August (2008).
  2. L. K. Ang, “Modeling and Design of high efficiency compact free electron lasers at THz frequency”, A*STAR THz Science and Technology, Workshop, Singapore, 29 May (2008).
  3. L. K. Ang, Child-Langmuir law in the quantum regime, Topical Lecture, Plasma College Symposium, Abdus Salam International Center for Theoretical Physics, Trieste, Italy, August 20-24 (2007).
  4. L. K. Ang, High Current Space-charge Limited Field Emission, Seminar, General Electric Global Research, Niskayuna, NY 12309, USA, June 7-8 (2007) . –funded by AFOSR AOARD
  5. L. K. Ang, Quantum Child-Langmuir law and its properties, The USA AFOSR Quantum Vacuum Nano-Electronics Meeting, Arlington, VA, Sept 13 (2006). –funded by AFOSR AOARD
  6. L. K. Ang, Space-charge limited flow in the quantum regime, LI2.4, The 47th Annual meeting of American Physical Society-Division of Plasma Physics (APS-DPP), Denver, Colorado, Oct 24-28 (2005).
  7. L. K. Ang, Space-charge limiting current in quantum regime [communicated by Dr. Tom Kwan] X-windows newsletters, Applied Physics Division, Los Alamos National Laboratory (2004). –funded by LANL2003
  8. L. K. Ang, Intense electron beam generation and interaction in nm regime“, A*STAR SERC TSRP Workshops (Nano-manufacturing), Singapore, August 28-29 (2003).
  9. L, K. Ang, Vacuum Nano-Electronics, A*STAR SERC NanoScience and Engineering Workshop, Singapore, January 23 -24 (2002).
  10. L. K. Ang, and Y. Y. Lau. Resonant absorption of a short-pulse laser in a doped dielectric“, Laser Processing Consortium Workshop, Jefferson Lab, Newport News, VA, USA, June 17-18 (1999).