Nano Science and Technology: A promise for future, at UGC Human Resource Development Center, Patna University, Patna, on February 6, 2018.

 

Investigation of Interaction between Organic Semiconducting Films and Substrates by Various Spectroscopic Techniques, at Advancement and Innovation of Physics: A Promise for Society, at Patna University, Patna, during February 5 - 6, 2018.

 

Near Edge X-ray Absorption Fine Structure Spectroscopy (NEXAFS) and a few case studies, at Recent Trends in Condensed Matter Physics, at Bose Institute during October 31 - November 3, 2017.

 

Nano Science and Technology: A promise for future, Keynote address at the Workshop on Frontiers in Physics, at Department of Physics, Himachal Pradesh University, Shimla, during March 17-18, 2017.

 

Nano Science and Technology: A promise for future, Special lecture at the Central University of Jharkhand, Ranchi on March 7, 2017.

 

Near Edge X-ray Absorption Fine Structure Spectroscopy (NEXAFS) and a few case studies, at National Conference on Electron Scattering, December 22-24, 2016, Puri, Odisa. Talk on December 23,2016.

 

An overview of synchrotron and related research, at Dolphin (P.G.) Institute of Biomedical and Natural Sciences, Dehradun, Uttarakhand on December 6, 2016

 

Effect of solvent-polymer interaction in swelling dynamics of ultra-thin polyacrylamide films, at Conference on Neutron Scattering, November 21-23, 2016, Bhaba Atomic Research Center, Mumbai. Talk on Nov 23, 2016.

 

Near Edge X-ray Absorption Fine Structure Spectroscopy (NEXAFS) and a few case studies, at Center for Condensed Matter Sciences, National Taiwan University, Tapei, Taiwan, on June 30, 2016.

 

A systematic study of synthesis and self assembled morphology of silver triblock copolymer nanocomposite, at Department of Physics, H.N.B. Garhwal Central University, Srinagar, Uttarakhand, on April 8, 2016

 

Recent developments in the field of nanomaterials, at Dolphin (P.G.) Institute of Biomedical and Natural Sciences, Dehradun, Uttarakhand on April 4, 2016.

 

Role of dielectric and metal interfaces in Organic Thin Film Transistor, at National Seminar on Nanoscience and Nanotechnology: NSNN 2015, Haldia Institute of Technology, on October 9, 2015.

 

Thin Film Transistor Device: Importance of Gate Dielectric and Interfacial Electronic Structure, at International Symposium on Frontier Materials at Materials Research Center, Malaviya National Institute of Technology, Jaipur on October 12, 2014.

 

Role of Electronic & Structural Properties on Development of Organic Thin Film Transistor Devices, at Malaviya National Institute of Technology, Jaipur, on January 14, 2014.

 

Swelling of water soluble polymer films in saturated vapour environment, at BR Ambedkar Bihar University, Muzaffarpur on April 18, 2013.

 

December 14, 2012, X-ray photoelectron spectroscopy: an overview, Spectroscopy Workshop at TATA Steel, Janshedpur.

 

September 18, 2012, An overview of synchrotron and related research, Glimpse of Advanced Physics, Bhairab Ganguly College, Belgharia, Kolkata.

 

March 7, 2012, Soft matter physics with water soluble polymer and polyelectrolytes, National Seminars on recent trends in condensed matter physics including laser application, Department of Physics, University of Burdwan, Burdwan.

 

December 10, 2011, Effect of added salt on structure and dynamics of polyelectrolyte thin films, Symposium on Polymer Science 2011, IISER-Kolkata, Mohanpur Campus, Kalyani.

 

September 8, 2011, Morphology and swelling dynamics of polyelectrolyte thin films : Connection with added salt concentration - at Joint conference on advanced materials FNMA11, IMIM11, AUXETICS11, September 6-9, 2011, Radison Blu Hotel, Szczecin, Poland.

 

August 25, 2011, Use of differential charging in X-ray Photoelectron Spectroscopy - at Condensed Matter Days 2011, August 24-26, 2011, Depatment of Physics, Gauhati University, Guwahati, India.

 

April 21, 2011, Swelling dynamics of ultrathin films of strong polyelectrolyte - at Laboratoire Interdisciplinaire sur l'Organisation Nanometrique et Supramoleculaire (LIONS), CEA Saclay, France.

 

December 11, 2010, Synthesis and Self Assembly of Silver Triblock Copolymer Nanocomposites - at International Conference on Fundamentals and Applications of Nanoscience and Technology, December 09-11, 2010, Jadavpur University, Kolkata.

 

December 16, 2009, Annealing Induced Modification of Ultrathin Polyacrylamide Film - at 54th DAE Solid State Physics Symposium, December 14-18, 2009, M.S.University of Baroda, Vadodara.

 

October 21, 2009, Onset Thermal Degradation of Ultrathin Polyacrylamide Films: An XPS, NEXAFS and XRR study - at Elettra Synchrotron Center, Trieste, Italy.

 

September 30, 2009, A systematic study of synthesis and self assembled morphology of silver triblock copolymer nanocomposite - at 6th International Workshop on Functional and Nanostructured Materials, September 27-30, 2009, Sulmona-L'Aquila, Italy.

 

March 16, 2009, Thermal Degradation Of Ultrathin Polyacrylamide Films - at Launch Workshop of National Agricultural Innovation Project, Indian Statistical Institute, Kolkata.

 

December 12, 2008, Study Of Thermal Degradation And Structural Modification Of Ultrathin Polyacrylamide Films Using XPS, NEXAFS And XRR Techniques - at IUMRS-International Conference in Asia 2008: Symposium X. Applications of Synchrotron Radiation and Neutron Beams to Soft Matter Science, December 11-13, 2008, Nagoya Congress Center, Nagoya, Japan.

 

December 09, 2008, Effect of annealing induced polymer substrate attachment on swelling dynamics of ultrathin polymer films - Global COE Seminar at Institute of Chemical Research, Kyoto University, Japan.

 

December 04, 2008, Characterization of Langmuir-Blodgett film using differential Charging in X-ray photoelectron spectroscopy - at The 3rd Taiwan - Japan Workshop on Neutron Scattering of Bio-materials and Soft-matters for Nanotechnology and Biotechnology, December 4-6, 2008, CO-OP INN KYOTO, Kyoto, Japan.

 

April 30, 2008, An overview of synchrotron and related research - at Workshop on Renewable Energy and Prof. D.P. Sarkar memorial lectures and Science Exhibition at Department of Physics, Kalyani Govt. Engg. College, Kalyani University.

 

March 27, 2008, Neutralization kinetics of charged polymer surfaces: A photoemission study - Global COE Seminar at Institute of Chemical Research, Kyoto University, Japan.

March 25, 2008, Novel structure and swelling dynamics in ultrathin films of water soluble polymer and nanocomposites - Global Center of excellence (COE) Seminar (#34) at Institute for Materials Chemistry and Engineering (Ito campus), Kyushu University, Japan.

March 27, 2007 Polymeric Ultrathin Films: Novel Structure and Swelling Dynamics - at Institute of Physics, Bhubaneswar.

February 27, 2007, Neutralization mechanism of charged surface: A Percolative Transition - at National Chemical Laboratory, Pune.

August 23, 2005, Novel Structure and Swelling Dynamics of Nanocomposite Ultrathin Films - at 2nd Workshop on Auxetics and Related Systems, Będlewo, Poland.

April 16, 2004, Humidity specific application of water soluble polymer nanocomposites - at subtopical meeting on Nanotechnology, MEMS, Microelectronics in DAE programme at Bhaba Atomic Research Center, Mumbai.

December 22, 2003, Chemisorption and Reaction Characteristics of Methyl Radicals on Cu(110) in

India-Japan Discussion Meeting on Techniques in Surface Science at Saha Institute of Nuclear Physics, Kolkata.

October 17, 2003, Surface Physics and Nanomaterials - at One day topical meeting on Nano-Science and Thechnologies, Micro-Electronics and MEMS in DAE programme at Bhaba Atomic Research Center, Mumbai.

March 23, 2003, Dynamical Behavior of Ultra-Thin Polymer Films - at National Symposium on Nanotechnology - Bio and Industrial Applications at Max Mueller Bhavan, Kolkata.

November 28, 2001, X-ray studies of polymer nanocomposite thin films - at Department of Physics, University of Potsdam, 14415 Potsdam, Germany.

 

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