Dr. V. K. Sachdev

Brief Biography

M. Sc. (Electronics-Wireless)
Ph.D. (Physics), Delhi University
30 + years of teaching, research and administrative experience.

Teaching Experience

Teaching: Physics teaching to undergraduate, graduate and Ph. D. research scholars experience in different universities (Punjab University, Kurukshetra University, M.D. University, Delhi University, GG IP University), moving up to being a Professor and head of department. Extensive experience as education counsellor; a wealth of knowledge in development and implementation of educational technology tools and applications in college classroom

Research

R & D experience with specialization in PVT properties of polymers and chalcogenides; Development of electrically conducting polymers composites for device applications such as sensor and EMI shielding.

Current Research Interest

Consultancy - R & D and Academic collaborations, Polymer nanocomposites for device fabrications

Professional Affiliations

1. Executive Member Semiconductor society of India http://www.ssi.org.in/executives.htm
2. Member Steering Committee EMSI – 2007, Department of Physics, University of Delhi.
3. Member Society of Plastics Engineers
4. Member Material Research Society, Singapore

List of Publications

1. V. K. Sachdev, Surender Kumar Sharma, S. Bhattacharya, K. Patel, N. C. Mehra, R. P. Tandon, Electromagnetic Shielding Performance of Graphite in Cement Matrix for Applied Application, Advanced Materials Letters, 6: 965-972 (2015).
2. Surender Kumar Sharma, Ram P Tandon and V. K. Sachdev. Pre-localized MWCNT network for low percolation threshold in MWCNT/ABS nanocomposites: experiment and theory. RSC Adv., 2014, Accepted Manuscript.
3. Virendra Kumar Sachdev, Sudeshna Bhattacharya, Kamlesh Patel, Surender Kumar Sharma, Navin Chand Mehra, Ram Pal Tandon, Electrical and EMI shielding characterization of multiwalled carbon nanotube/polystyrene composites. J. APPL. POLYM. SCI. 2014, DOI: 10.1002/APP.40201.
4. V.K. Sachdev, K. Patel, S. Bhattacharya and RP Tandon,Electromagnetic interference shielding of graphite/ acrylonitrile butadiene styrene composites, Journal of Applied Polymer Science, 2011, 120, 1100–1105 
5. Sudeshna Bhattacharya, R.P.Tandon and V.K. Sachdev,Electrical conduction of graphite filled high density polyethylene composites; experiment and theory, Journal of Material Science, 2009, 44, 2430-2433
6. Sudeshna Bhattacharya, V.K. Sachdev, R. Chatterjee and R.P.Tandon, Decisive properties of graphite filled cement composites for device application, Applied Physics A, 2008 92 417-420
7. N. K. Srivastava, V. K. Sachdev, R. M. Mehra, Investigation of electrical and dielectric properties of prelocalized graphite/poly(vinyl chloride) composites near the percolation threshold, Journal of Applied Polymer Science, USA, 2007, 104, 2027–2033
8. Varij Panwar, V.K. Sachdev, R.M. Mehra, Insulator conductor transition in low-density polyethylene–graphite composites, European Polymer Journal, 2007, 43, 573–585
9. V.K. Sachdev, Varij Panwar, Nalin Kumar Srivastava, N.C. Mehra and R.M. Mehra, Electrical conductivity of pre-localized graphite filled blend of poly-vinyl chloride/styrene acrylonitrile composites in relationship to morphology and hardness, Physica Status Solidi (a) 2006, 203, 3754-3761
10. V.K. Sachdev, Varij Panwar, H. Singh, N.C. Mehra and R.M. Mehra, Study of pre-localized, Graphite/Styrene Acrylonitrile Conducting Composites for Device Applications, phys. stat. sol. (a) 2006, 203, 386–396
11. V. K. Sachdev and R .K. Jain, Equation of state for high density solid and melt polyethylene, J. Polym. Sci. Part B: Polymer Physics 2005, 23, 1618-1623
12. V.K. Sachdev, Kamlesh Kumar, N. C. Mehra and R.M. Mehra, Pre-localized graphite/polyvinyl chloride composites for electromagnetic interference shielding in the X-band frequency range, Materials Science-Poland 2005, 23, 269-277
13. V.K. Sachdev, N. C. Mehra and R.M. Mehra, Study of pre-localized graphite/polyvinyl chloride electroconductive composites for sensors, Physica Status Solidi (a), 2004, 201, 2089-2098
14. V.K. Sachdev, Ugur Yahsi, R. K. Jain, Equation of state of poly ( di-methyl siloxane ) melts, J. Poly. Sci. Part B. Polymer Physics 1998, 36 841-850
15. Sandeep Kohli, V.K. Sachdev, et al , High pressure studies on n-type Se-In-Pb chalcogenide glasses, Physica Status Solidi (b), Germany 1998, 209, 389
16. R.M. Mehra, Sandeep Kohli, Amit Pundir, V.K.Sachdev, P.C.Mathur, n-type conduction in Pb doped Se-In chalcogenide glass, Journal of Applied Physics, USA 1997, 81, 7842 
17. V.K. Sachdev, R. M. Mehra et al, Electrically conducting polymers: An overview, Solid State Phenomenon, Switzerland, 1997, 55, 104
18. V.K.Sachdev, Sandeep Kohli, P.C.Mathur, R.M.Mehra, Effect of Sb on pressure induced transformations in Se-Te glasses, Physica Status Solidi-a, Germany, 1996, 155 461
19. V.K. Sachdev, Sandeep Kohli, R.M. Mehra, P.C.Mathur, High pressure studies on Se-Te binary and ternary chalcogenide glasses, Material Science Forum, Switzerland, 1996, 224, 245

Communicated Papers

1. V.K. Sachdev and R. P. Tandon, Unique Electrical Switching in MWCNT-Polystyrene nano Composites, (Communicated to Nanotechnology IOP)
2. V.K. Sachdev, S. Bhattacharya, K. Patel, S.K. Sharma and R. P. Tandon , Fabrication of multi-walled carbon nanotube/polystyrene nanocomposites for enhanced electromagnetic interference shielding, (Communicated to Nanotechnology IOP)

Under Preparation

1. V.K. Sachdev, S. Bhattacharya, K. Patel, S.K. Sharma and R. P. Tandon, Effect of Processing on Electromagnetic Shielding of Graphite/Cement Composites 
2. V.K. Sachdev, S. Bhattacharya, K. Patel, S.K. Sharma and R. P. Tandon, Study and Analysis of MWCNT/ABS composites for EMI shielding

Important Presentation in National and International Conferences

1. V. K. Sachdev, K. Patel, S. Bhattacharya, N. C. Mehra, R. M. Mehra and R.P.Tandon, Extension and Explanation of Graphite-Cement Composites for Electromagnetic Interference Shielding, 12th International Symposium on Microwave and Optical Technology Hotel Ashok, New Delhi, India Dec 16-19, 2009 – Proceedings ISMOT-2009 CD.
2. S Bhattacharya, V. K. Sachdev, R Chatterjee, Electrical Properties of Graphite Filled Cement Composites for Device, Application, Presented in International Conference on Materials for Advance Technologies Singapore, 1-6 uly (2007)Proceedings 4th International Conference on Materials for Advance Technologies Symp P, Singapore 2007, (World Scientific, Singapore, 2007), pp. 29-32.
3. V.K. Sachdev, R. chatterjee and Rajendra singh, Electromagnetic Interference Shielding of Graphite Filled Cement Composites in Relationship to Resistivity and Morphology, Presented in International Conference on Materials for Advance Technologies Singapore, 1-6 July (2007), Proceedings 4th International Conference on Materials for Advance Technologies Symp P, Singapore 2007, (World Scientific, Singapore, 2007), pp. 33-37.
4. V.K. Sachdev, N. K. Srivastava, V. Panwar, K. Kumar and R.M. Mehra, Properties of Electromagnetic Interference Shielding Application of Pre-Localized Graphite/Polyvinyl Chloride Composites in X-band Freq. Range, Proceedings Asia Pacific Microwave Conference APMC-2004 CD
5. R.M. Mehra and V.K. Sachdev, Materials for Electromagnetic Shielding, Proceedings Electromagnetic Interference and its Control, 76 (2004), Amity School of Engineering and Technology, New Delhi, 12-14 Feb. 2004, Invited Talk
6. V.K. Sachdev, Varij Panwar, N. K. Srivastava, N.C. Mehra and R.M. Mehra, Development of Graphite Filled Styrene Acrylonitrile Conducting Composites for Electromagnetic Shielding, Proceedings Electromagnetic Interference and its Control (2004), Amity School of Engineering and Technology, New Delhi, 12-14 Feb. 2004, Invited Talk
7. V.K. Sachdev, Harindra Singh, Kamlesh Kumar, N.C. Mehra and R.M. Mehra, Electrical and Mechanical Properties of Pre-Localized Graphite/Polyvinyl Chloride Composites, Physics of Semiconductor Devices, 2, 717 (2003) IWPSD Conference
8. V.K. Sachdev, N.C. Mehra, R.M.Mehra, Development of styrene acrylonitrile graphite composites for temperature Sensor application, Presented in the MRSI Sensor Technology conference Organized by National Physical Laboratory, New Delhi India, Nov. 28, 2003 Invited Talk
9. V.K. Sachdev, Harindra Singh, Naval Kishore and R.M.Mehra, Recent Advances in Polymeric Composites Temperature sensors, Presented in Indo-Japanese Symposium on Advances in Electronic Materials, India  Habitat Centre, Lodhi Road, New Delhi, Nov. 6, 2002
10. V.K. Sachdev, Harindra Singh, Naval Kishore and R.M.Mehra, Mechanism of Positive Temperature Coefficient of Resistivity in conductive polymer composites, Sensor Technology, p 355-62 (2002), Allied Publishers Pvt. Ltd, Invited Talk DRDO
11. V.K. Sachdev and R.M. Mehra, Study of polymer composites for temperature and current sensors, Physics of Semiconductor Devices, Vol. 1, 544-47 (2001) Allied Publishers Ltd.

Specialized Services
Expert Financial Committee : University Grant Commission, New Delhi, India, 2011-2004

• Assistance to teachers in Universities and Colleges to attend International Conferences
• Assistance to Colleges to organize Conference

• Punjab University
• Agra University