Papers Presented in Conferences/Seminars/Workshops

1. S. Kumar, V. Birla, Theoretical Study of Physical Parameters of Ag Doped Ge-Sb-Te Glassy Alloys. 8th National conference on thermophysical properties (NCTP 2015) at MNIT, Jaipur during 14^th-16^th December 2015.
2. S. Kumar, R. Thangaraj, Characterization of silver photodiffusion in Ge₈Sb₂Te₁₁ thin films. 59^th DAE-Solid State Physics Symposium (DAE-SSPS 2014) at VIT University, Vellore during 16^th-20^th December 2014.
3. S. Kumar, D. Singh, S. Sandhu, R. Thangaraj, Chemical evolution of silver photodiffused Ge-Sb-Te thin films. National conference on Material Science Application in Energy & Envirnoment at DAV College, Jalandhar during 2^nd-3^rd March 2012).
4. S. Kumar, D. Singh, R. Thangaraj, Thermal study of phase change Ge-Sb-Te material. 15^th Punjab science congress at GNDU Amritsar during 7^th-9^th February 2012.
5. S. Kumar, D. Singh, S. Sandhu, R. Thangaraj, Structure and Crystallization Study of Phase Change Thin Ge-Sb-Te Films. Indian Vacuum Society Symposium on Thin Film: Science and Technology (TFST-2011) at BARC, Mumbai during 9^th-12^th November 2011.    
6. S. Kumar, D. Singh, R. Thangaraj, XPS study of thermally evaporated Ge-Sb-Te     amorphous thin films. International Conference on Advanced Materials Science & Technology (ICACNM - 2011) at Panjab University, Chandigarh during 22^nd-26^th February 2011.
7. S. Kumar, D. Singh, R. Thangaraj, Structure of Photodiffused Ge-Sb-Te:Ag Amorphous Film. 55 DAE-Solid State Physics Symposium (DAE-SSPS 2010) at Manipal University, Manipal during 26^th-30^th December 2010.
8. S. Kumar, D. Singh, R. Thangaraj, Kinetics of the photo-induced solid state reaction of Ag with Ge₂Sb₂Te₅ films. National Conference on Material Science & Technology (NCMST-2010) at DAV College, Jalandhar during 23^rd October 2010.
9. S. Kumar, D. Singh, R. Thangaraj, Structural phase transformations in photodiffused Ge-Sb-Te:Ag films. International Conference on synthesis and characterization of glass/glass-ceramics (IWSSCGGC-2010) at YASHADA MD Centre, Pune during 9^th-10^th July 2010.