| 1995 |
Organising Committee and treasurer, International Conference on Solid State Ionics (ISS-10) |
| Dec 1998 |
Organising Committee, Asia-Pacific Surface & Interface Analysis Conference |
| Dec 1999 |
Session chairman, International Workshop on Superconducting films and Devices |
| 1-4 Dec 1999 |
Organising Committee, International Workshop on Superconductor films and Devices, Singapore |
| 1-4 Mar 2000 |
National Advisory Committee, International Conference on Lasers and Their Applications (INCOLA-2000), Tiruchirappalli, Tamil Nadu, India |
| 20-26 Aug 2000 |
Session chairman, the XVIIth International Conference on Raman Spectroscopy, Beijing, China |
| 27-31 Aug 2000 |
Session chairman, Satellite Conference of the XVIIth International Conference on Raman Spectroscopy, Kunming, China |
| Sep 2000 |
Organising Committee, Satellite Conference of the XVIIth International Conference on Raman Spectroscopy, Xian, China |
| |
Organising Committee, Satellite Conference of the XVIIth International Conference on Raman Spectroscopy, Kunming, China |
| 2001 |
Organising Committee, and Co-chair on Symposium "superconductor thin films and devices", International Conf. on Materials for Advanced Technologies, Singapore |
| 1-6 Jul 2001 |
Session Chairman for Symposium "Novel and Advanced Ceramic Materials" at International Conf. on Materials for Advanced Technologies (ICMAT), Singapore |
| |
Co-Organiser of Symposium "superconductor thin films and devices", International Conf. on Materials for Advanced Technologies (ICMAT), Singapore |
| 23-27 Jul 2001 |
Session chairman, 18th International Conference on High Pressure Science and Technology |
| 7-12 Dec 2003 |
Session chairman, International Conference on Materials for Advanced Technology |
| 1-3 Aug 2004 |
Organising Committee, International Conference on Optoelectronics and Spectroscopy of Nano-structured Thin Films and Materials, Beijing, China |
| 3-8 Jul 2005 |
Chairman of Organizing Committee, Symposium Y – Optical Spectroscopic Techniques, International Conference on Materials for Advanced Technology |