National/International Presentations

• 1. P.P.Pradyumnan and M.A.Ittyachen. Synthesis and characterisation of neodymium samarium selenite crystals in hydrosilica gel, proceedings of Seventh national seminar on crystal growth 6-8 Jan, 1997, Crystal research centre, Alagappa University, Karaikudy-630 003

  2. P.P.Pradyumnan, Ajithkumar. G and M.A.Ittyachen. Growth and fluorescence study of neodymium praseodymium selenite crystals, proceedings of National Laser Symposium 1997, 6-8 Feb 1997, CAT, Indore

  3. P.P.Pradyumnan and M.A.Ittyachen. ‘Growth and characterisation of neodymium hydrogen selenite crystals’, proceedings of XXVIII National seminar on crystallography September 24-26 1997, Mahatma Gandhi University, Kottaym.

  4. P.P.Pradyumnan and M.A.Ittyachen. ‘Growth study of neodymium praseodymium hydrogen selenite crystals’, proceedings of National conference on Advances in Condensed matter physics, Feb 26-28, 1998 Pondicherry University, Pondicherry.

  5. P.P.Pradyumnan and M.A.Ittyachen. ‘Fluorescence study of praseodymium samarium selenite crystals grown under ambient conditions’, proceedings of National laser symposium, December 14-16, 1998, IIT Kanpur.

  6. P.P.Pradyumnan and M.A.Ittyachen. ‘Magnetic moment and susceptibility measurement studies of praseodymium neodymium hydrogen selenite crystals’, proceedings of DAE- Solid state physics symposium-1998, Dec 27-31 1998, Kurukshetra University, Kurukshetra, Haryana.

  7. P.P.Pradyumnan, Cyriac Joseph and M.A.Ittyachen. ‘Growth and magnetic property studies of praseodymium hydrogen selenite crystals’. VIII^th National seminar on crystal growth, 3-5, February 1999, Crystal growth centre, Anna University, Chennai 600 025.

  8. P.P.Pradyumnan and M.A.Ittyachen. ‘The Growth and Microhardness Studies of Praseodymium Hydrogen Selenite Crystals’, Symposium on fundamentals of Crystal Growth, Nov- 6-7-2000, Anna University-600 025, Madras.

  9. Justin Paiwa and P.P.Pradyumnan. ‘Growth Characterisation and property Studies of Cobalt doped KDP Crystals’, ‘National Seminar on Current Trends in Materials Science, March 23-24, 2001, School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam.

  10. Venugopalan and P.P.Pradyumnan. ‘Ionic Conductivity Studies of Cobalt doped KCl Crystals, DAE Symposium on Solid State Physics, December 26-30, 2002, Punjab University, Chandigarh.

  11. Venugopalan and P.P.Pradyumnan. ‘Optical Property Studies of Cobalt doped KCl crystals, IX^th National seminar on Crystal growth, February 24-26, 2003, Crystal growth Centre, Anna University, Chennai.

  12. Siji George and P.P.Pradyumnan. ‘Thermogravimetric and FT-IR Studies of Copper tartrate crystals, National Seminar on Emerging Trends in Molecular Physics (NASETMP-2004), March 8-9, 2004, Department of Physics, Annamalai University, Annamalai Nagar, Tamil Nadu-608 002

  13. Rajeev N.E and P.P.Pradyumnan. ‘Electrical Conductivity Studies of Bi₂Te₃ and some Metallic films’, National Seminar on Emerging Trends in Molecular Physics (NASETMP-2004), March 8-9, 2004, Department of Physics, Annamalai University, Annamalai Nagar, Tamil Nadu-608 002.

  14. P.P.Pradyumnan and Sunil K.B. ‘Dielectric and Photovoltaic property studies of the gum of Macaranga Peltata’, National Seminar on Emerging Trends in Molecular Physics (NASETMP-2004), March 8-9, 2004, Department of Physics, Annamalai University, Annamalai Nagar, Tamil Nadu-608 002

  15. Venugopalan and P.P.Pradyumnan. ‘Growth and Ionic conductivity studies of Cobalt doped KCl crystals’, NAS Symposium on Physics (PHYSICA 04) Jan 27-28, 2004, Nehru Arts and Science College, Kanhangad, Kasaragod.

  16. Siji George and P.P.Pradyumnan. ‘Magnetic Property Studies of Copper tartrate trihydrate single crystals’, National Symposium on current trends in condensed matter research, NSTCMR, Sept 22-24, 2004, Kakatiya University, Warangal. A.P

  17. P.P.Pradyumnan and Sunil K.B. ‘Electrical Property Studies of the Gum of Macaranga Peltata Tree’. , ICEP- 1^st 5^th Nov, 2004, Dalhousie, Himachal Pradesh, India.

  18. P.P.Pradyumnan and Sunil K.B.‘Studies on thermoelectric properties of Semiconductor Metal thin films’. National Work shop on Thin film Preparation and Characterisation Techniques for Energy Conversion’ (TFPCT-2004) 22-26 November 2004, Department of Physics, Alagappa University, Karaikudi, Tamilnadu.

  19. Jayaprakasan M.V and P.P. Pradyumnan.‘Synthesis of Nano Carbon Powder from Edible Oil and its ‘SEM’ characterisation’. National Seminar on Modern Trends in Materials Science 29-30 August 2005 (NSMTMS 2005) Department of Physics, University of Calicut, Kerala, India.

  20. Rajeev N.E and P.P. Pradyumnan. ‘Studies on Thermoelectric Properties of Semiconductor Metal Thin Films’. National Seminar on Modern Trends in Materials Science 29-30 August 2005 (NSMTMS 2005) Department of Physics, University of Calicut, Kerala, India.

  21. Shini C and P.P. Pradyumnan, ‘Growth and Etching Studies of Calcium Tartrate Crystals Grown by Using Tamarind’. National Seminar on Modern Trends in Materials Science 29-30 August 2005 (NSMTMS 2005) Department of Physics, University of Calicut, Kerala, India.

  22. Rajeevan.N.E ,D.Kabiraj, Ravikumar, D.K.Avasthi, D.Kanjilal & P.P.Pradyumnan, ‘Preparation, characterization and thermoelectric Studies of Co3O4 thin film’ National Seminar on Oxide materials, Sept 2-30, 2006, IUAC, New Delhi, India.

1. P.P. Pradyumnan and Shini, C, ^‘Growth and Characterization of Calcium TartrateSingle Crystal Grown Using Tamarind Extract’, National Conference on Advances in Technologically important Crystals, NC-ATIC 2006 12-14 October 2006, Delhi University, Delhi, India.

2. Jayaprakasan M.V and P.P. Pradyumnan.‘Synthesis of Nano Carbon Powder from Gingelli Oil ’. International Workshop on Science and Applications of Nanostructured Materials’Nov 29-Dec 1^st , 2006, Department of Physics, SSS Institute of Higher Learning. Andhra Pradesh, India

3. P.P. Pradyumnan and Jayaprakasan M.V.‘Synthesis of Nano Carbon Powder from Edible Oil and its characterisation’. ‘ICMR-JNCASR International Winter School on Chemistry of Materials 12-19,December 2006, Organised by Jawaharlal Nehru Centre for Advanced Research (JNCASR), Bangalore, India Jointly with International Centre for Materials Research (ICMR), Santha Barbara, USA. JNCASR, Bangalore, India.

4. Rajeevan N.E, Shabumon K S, P.P.Pradyumnan, Abhilash S R and Kanjilal D, Structural and thermoelectric property studies of Co3O4 thin films’ 19th Kerala Science Congress 2007, 29-31 January 2007 Kannur, Kerala India.

5. P.P.Pradyumnan and Sunil K.B, ‘Electrical conductivity and Photo Conductivity Studies of a Natural Polymer, ‘Gum of Macaranga Peltata’; Second International Conference on Electro Active Polymers: Materials and Devices (ICEP-2007) February 19-24, 2007, Goa, India.

6. Rajeevan.N.E, K. S. Shabumon , P.P.Pradyumnan, S.R.Abhilash & D.Kanjilal,‘Co3O4 thin films: a new material for heat and electric energy harmony’Nationa Seminar on Advanced Materials, Mar 13-15, 2007, Christaian College, Chengannur, Kerala.

7. Rajeevan.N.E, Ravi Kumar, Shailendra Kumar, D.K. Shukla, P.P.Pradyumnan^, S.K. Arora, I.V. Shvets ‘Multiferroic properties of Bi-Substituted Co₂MnO₄ ’International Conference on Magnetic materials’, Dec-11-16, 2007Saha Institute, Calcutta, India to be conducted during.

8. P.P.Pradyumnan, Masaki Noda, Takuma Hachisu, Sugiyama Atsushi and Tetsuya Osaka, ‘Synthesis and Magnetic Property Studies of Mn incorporated FeCo alloy nanocrystalline particles, 4th International Workshop on Nanomagnetism, 6-9 July 2008, COMA-RUGA, Spain.

9. P.P.Pradyumnan, Masaki Noda, Takuma Hachisu, Sugiyama Atsushi and Tetsuya Osaka, ‘Synthesis and Magnetic Property Studies of FeCo alloy nanocrystalline particles, ‘National Seminar on Advanced Nanomaterials and its Applications, 8-9, August 2008, Centre for Nano Science and Technology, Jadavpur University, Kolkata 700032, India

10. N E Rajeevan and P P Pradyumnan, Bi-substituted Co₂MnO₄ thin films”, International Conference on Magnetic Materials and their Applications for 21 Century(MMA 21), October 21-23, 2008, NPL, New Delhi, 110 012

11. Ravi Kumar, S.K.Arora, I.V.Shvets,, N.E.Rajeevan, P.P.Pradyumnan and D.K. Shukla“Structuraland transport properties of Bi-substituted Co₂MnO₄”, 53 Annual Conference onMagnetism and Magnetic Materials(MMM2008), November 10-14, 2008, Texas

12. N.E.Rajeevan, Ravi Kumar, D.K. Shukla, R.J.Choudhary and P.P.Pradyumnan, “Swift Heavy IonInduced Modifications in Structural and Ferroelectric Properties of Bi-substituted Co₂MnO₄ ThinFilms”, 53rd DAE- Solid State Physics Symposium, December 16-20, 2008, BARC, Mumbai

13. Rajeevan, Ravi Kumar, D.K. Shukla, R.J.Choudhary, SK Arora , I V Shvets andP.P.Pradyumnan, ‘Modification of the Multiferroic Behaviour of Bi substituted Co2MnO4 Thin Films by Swift Heavy Ion Irradiation’‘International Workshop on Nanotechnology and Advanced Functional Materials’ July 9-11,2009, NCL Pune, India.

14. N.E.Rajeevan, RaviKumar², D.K.Shukla³, P. Thakur⁴, N.B.Brookes⁴, R. J. Choudhary⁵ andP.P.Pradyumnan Magnetoelectric-Multiferroic Properties of Bi-substituted Co2MnO4 7th international conference on Inorganic material organised by Elsevier, September 12-14, 2010, Biarritz, France.

15. George Varghese, Jijoy P Mathew, Jacob Mathew and P P Pradyumnan, Morphological andOptical Property Studies of CdOZnO Films prepared by Electron beam method, International conference on Recent Trends on Materials Science and Technology, Indian Institute of Space Science and Technology, Thiruvananthapuram 29-31, October 2010

16. P.P.Pradyumnan*,Masaki Noda, Takahiro Yotsumoto, Takuma Hachisu, Sugiyama AtsushiTetsuya Osaka 'Preparation and Magnetic property studies of theNanocrystalline FePdCo alloy particles International Conference on Fundamental and Applicationsof Nano Science and TechnologyICFANT 2010 Jadavpur University, 9-11 December 2010

17. N.E.Rajeevan, RaviKumar, D.K.Shukla, R. J. Choudhary and P P Pradyumnan ^'RamanSpectroscopic studies of Co-Based Spinel Multiferroic Thin films' 55 th DAE-Solid State Physics Symposium, Dec 26-30, 2010, Manipal University, Manipal.

18. T Ramachandran, N E Rajeevan and P P Pradyumnan, 'Thermo electric Property of Cobal Oxidefilms', 55 th DAE-Solid State Physics Symposium, Dec 26-30, 2010, Manipal University, Manipal. (Best poster award)

19. P. Jayaram, T P Jaya, K Prasanth, A.K Abdul Gafoor and P.P.Pradyumnan, 'Structural Electrical and SurfaceMorphological studies of Mg doped Cadmium stannate thin films''International Symposium for Research, ISRS-2010, Dec 20-22, 2010, IIT, Chennai

20. A.K Abdul Gafoor, M M Musthafa and P P Pradyumnan, 'Dielectric Properties of nano titaniasynthesised by low temperature hydrothermal method, IndianScience Congress,S RM University, Chennai 3-7 Jan2011

21. Ramachandran, N E Rajeevan and P P Pradyumnan, 'BiCo3O4 thinfilms for Heat Waste Tapping', International Conference on Renewable Energy- ICRE-2011, 17-21 January 2011,University of Rajasthan, Jaipur, Rajasthan.

22. A.K Abdul Gafoor, M M Musthafa and P P Pradyumnan, 'Samarium doped nanotitania withtunable band gap energy as solar photocatalyst, International Conference on Renewable Energy-ICRE-2011, 17-21 January 2011, University of Rajasthan, Jaipur, Rajasthan.

23. P. Jayaram, T P Jaya, K Prasanth, T Ramachandtran and P.P.Pradyumnan, 'Structural, X-rayphotoelectron emission and optoelectronic behaviour of SnO2:In transparent conducting thin films 'International Confernce and workshop on New materials and Devices for Photo Voltaic ApplicationsM K University, Madhurai, TN, (ICWNMDP-2011) February 10-12, 2011 (2^nd Best paper)

24. M T Rameshan and P P Pradyumnan, 'Characterisation and conductivity studies ofMagnetite/Polypyrrole/Poly(Pyrrole-co-Acrylamide) Nanocomposites”'Intermnational Conference on Advanced Materials and its Applications (ICAMA-2011), March 4-5 2011, Kalasalalingam University, India.

25. A. K. Abdul Gafoor, K. Pradeep Kumar, M.M.Musthafa and P.P.Pradyumnan^, Effect of Ag doping ondielectric properties of anatase TiO2 nanoparticles synthesized by a low temperature hydrothermal method., ICNN 2011, 6-8 July 2011, Coimbatore.

26. N.E.Rajeevan, RaviKumar,D.K.Shukla, P. Thakur and P.P.Pradyumnan, ^eXMCD Studies of 200 MeV Ag¹⁵⁺ Irradiated Bi_xCo_2-xMnO₄ Thin Films, 5^thInternational conference on Electroceramics 2011, 12-16 December 2011, Sydney, Australia.

27. Jaya.T.P Jayaram.P, T.Ramachandran, Hajira.P, Anumol.C.N, P.P.Pradyumnan, 'Effect of Mnand Bi substitution on the structural, optical and Dielectric behavior of V₂O_5, ICAER-2011, IIT, Mumbai, Dec 2011

28. Jayaram.P, Jaya.T.P, P.P. Pradyumnan, Structural, X-ray Photoelectron Emission and OpticalBehaviour of Al doped ZnO TCOs, ICAER-2011, IIT, Mumbai, Dec 2011

29. T. Ramachandran, N. E. Rajeevan and P. P. Pradyumnan, 'Preparation and Structural Studies ofCo-Ni based Material for Thermoelectric Generation' , 56th DAE-Solid State Physics Symposium, Dec 19-23, 2011, SRM University, Chennai.

30. A.K Abdul Gafoor, M M Musthafa and P P Pradyumnan, 'Ag doped nanotitania withtunable band gap energy as solar photocatalyst, 56th DAE-Solid State Physics Symposium, Dec 19-23, 2011, SRM University, Chennai.

31. P P Pradyumnan Masaki Noda,SugiyamaAtsushi Tetsuya Osaka, 'Synthesis andSuperparamagnetic studies of Mn:FeCo Nanoparticles, National Seminar on Advances in Materials Science, 23-24 January 2012, Manomaniam Sundaranar University, Tirunelveli,Tamilnadu.

32. Binitha M. P and P.P.Pradyumnan, 'Electrical Characterisation of Copper Tartrate Singlecrystals'. National Seminar on Advances in Materials Science, 23-24 January 2012, Manomaniam Sundaranar University, Tirunelveli, Tamilnadu.

33. T Ramachandran, N E Rajeevan and P P Pradyumnan, 'Preparation and Structural Studies of Co-Ni based Material for Thermoelectric Generation', National Seminar on Advances in Materials Science, 23-24 January 2012, Manomaniam Sundaranar University, Tirunelveli, Tamilnadu.

34. P P Pradyumnan, Ramachandran T, N.E.Rajeevan 'Multiferroics for Thermoelectric Applications' International conference on recent trends in advanced materials (ICRAM-2012) 20-22 February 2012, VIT University, Vellur, Tamil Nadu.

35. Binitha M. P and P.P.Pradyumnan 'Dielectric studies on mixed phosphate crystals, 'International conference on recent trends in advanced materials (ICRAM-2012) 20-22 February 2012, VIT University, Vellur, Tamil Nadu.

36. DhanyaChandran, Deepa M, P P Pradyumnan, K.Rajendra Babu, Lakshmi.S.Nair, 'A.C Conductivity Study of Tin oxide (SnO₂) Nanoparticles' 'Internationalconference on recent trends in advanced materials (ICRAM-2012) 20-22 February 2012, VIT University , Vellur, Tamil Nadu.

37. Jayaram.P, Jaya.T.P, P.P. Pradyumnan, 'Bulk synthesis and structural Determination of High Mobility Multication Transparent Conducting Oxides' 18^th International Conference on Solid Compunds of Transition Elements-2012' (SCTE-2012), Lisboa 31^st March-5^th April 201

38. Binitha M. P and P.P.Pradyumnan,Growth and Property studies of a bone grafting crystalline material-CHPD, National Seminar on Emerging Trends in Theoretical and Experimental Physics (ETTEP-2012), Farook College, Calicut, 26-27 Sept 2012.

39. Jaya.T.P,Jayaram.P and P.P. Pradyumnan, 'Synthesis of doped metal oxides for preparation of functional materials, National Seminar on Emerging Trends in Theoretical and Experimental Physics (ETTEP-2012), Farook College, Calicut, 26-27 Sept 2012.

40. T Ramachandran, N E Rajeevan and P P Pradyumnan, Investigation of Structural prperties of Nickel Substituted cobalt oxide for thermoelectric generation, National Seminar on Emerging Trends in Theoretical and Experimental Physics (ETTEP-2012), Farook College, Calicut, 26-27 Sept 2012.

41. N E Rajeevan , T Ramachandran, and P P Pradyumnan, XMCD studies of Multiferroic BixCo2-xMnO4 Thin films, NationalSeminar on Emerging Trends in Theoretical and Experimental Physics (ETTEP-2012), Farook College, Calicut, 26-27 Sept 2012.

42. T Ramachandran, M P Binitha and P P Pradyumnan' Magneto dielectric properties on NiO nano particles syntesised by sonochemical method, 'International conference on Material Science (ICMS-2013), 21-23 February 2013, Deapartment of Physics, Tripura University (A Central University), Tripura, India.

43. P P Pradyumnan, Masaki Noda , Sugiyama Atsushi and Tetsuya Osaka, 'Magnetic Property Studies of FePdCo alloy nano particles, 'International conference on Material Science (ICMS-2013), 21-23 February 2013, Deapartment of Physics, Tripura University (A Central University), Tripura, India.

44. A K Abdul Gafoor, M M Musthafa and P P Pradyumnan, AC conductivity and diffuse reflectance studies of Nd3+ doped TiO2 nanoparticles, 'International conference on Material Science (ICMS-2013), 21-23 February 2013, Deapartment of Physics, Tripura University (A Central University), Tripura, India.

45. Binitha M. P and P.P.Pradyumnan, 'Growth Characterisation and Dielectric Property studies of Pure and Strontium added Barium Succinate Single crystals, 'International conference on Material Science (ICMS-2013), 21-23 February 2013, Deapartment of Physics, Tripura University (A Central University), Tripura, India

46. P. P Pradyumnan, Nanomagnetic Materials, (Invited talk)National Seminar on “Current Trends in Material Science “ on 28 ^th October 2013, Govt College Kodanchery,Kerala, India.

47. Divya N K, Jaya T P and P .P Pradyumnan, 'Variation in Morphology and crystallinity of ZTO ceramics, International Science Congress, 8th-9th Dec 2013, Karuny University, Coimbatore, Tamilnadu, India.

48. Jaya T P, Divya N K and P P Pradyumnan, 'UV absorption of Zinc Stannate Ceramics: Variation with reaction media, International Science Congress, 8th-9th Dec 2013, Karuny University, Coimbatore, Tamilnadu, India

49. 'Binitha M. P and P.P.Pradyumnan, 'Structural and Spectroscopic Studies on Calcium Succinate Single Crystals, 58th DAE-SSPS Dec 17-21, 2013, Thapar University, Patiala, Punjab.

50. Divya N K, Jaya T P and P P Pradyumnan, 'Impact of pH on the Morphology and cryastalline nature of Zinc stannate nanoparticles, Kerala Science congress 2014, 28th to 31st january 2014, KVASU, wynadu, Kerala

51. Divya N K, Jaya T P and P P Pradyumnan, 'Comparison of UV attenuation characteristics of Titanium and Tin doped ZnO ceramics, International conference on Nano Electrinic Science and Technology-ICNEST, 14th-15 the Feb 2014, Erode, Tamilnadu

52. Jaya T P, Divya N K and P P Pradyumnan, 'Effect of surfactant on the morphology and optical properties of ZTO ceramics, International conference on nanoelectronic science and nano technology-ICNEST, 14th 15th Feb 2015, Erode, Tamilnadu

53. T Ramachandran and P P Pradyumnan, 'Thermoelectric behaviour of Nickel Vanadium Bismuth Cobalt Oxide"International Conference on Materials and Characterisation Techniques, 10-12 March 2014, VIT University, Vellore, Chennai.

54. P P Pradyumnan, Superparamagnetism: Phenomenon with potential application, International Conference on Materials and Characterisation Techniques, 10-12 March 2014, VIT University, Vellore, Chennai.

55. Jaya T P, Divya N K and P P Pradyumnan, Phase Investigation of micro crystals of ZTO, International Conference on Materials and Characterisation Techniques, 10-12 March 2014, VIT University, Vellore, Chennai.

56. M P Binitha and P P Pradyumnan, Correlation of structure on the magnetic properties of copper succinate dihydrate single crystals, International Conference on Materials and Characterisation Techniques, 10-12 March 2014, VIT University, Vellore, Chennai.

57. Jaya T P, Divya N K and P P Pradyumnan, 'Conducting Transparent Casseterite Thin films by RF Magnetron sputtering for smart window Applications', International Conference on Sustainable Energy Technologies (ICSET) 11-13 Deceber 2014, Department of Physics PSG College of Technology, Coimbatore – 641 004, Tamil Nadu, India

58. Peediyekkal Jayaram, S.Zh. Karazhanov and P P Pradyumnan, ' Red Switching of Ultraviolet Photo Emitting Transparent Electrodes: an investigation based on Ion substitution',International Conference on Sustainable Energy Technologies (ICSET) 11-13 Deceber 2014, Department of Physics PSG College of Technology, Coimbatore – 641 004, Tamil Nadu, India

59. Prasoon Prasannanan, Peediyekkal Jayaram, P P Pradyumnan and Deepak N K, ' Core level X-ray photon Spectra for Resolving Surface Chemical States and Quantitative Analysis of Multication Thinfilms', International Conference on Sustainable Energy Technologies (ICSET) 11-13 Deceber 2014,Department of Physics PSG College of Technology, Coimbatore – 641 004, Tamil Nadu, India

60. M P Binitha and P P Pradyumnan, 'Spectroscopic Characterisationa and Thermal Degradation Studies of Nickel Succinate Tetrahydrate crystals, International Intradisciplinary Conference on the Frontiers of Crystallography 29-30 December 2014, Mangalore University Field Marshal K M Cariappa College, Madikeri, Karnataka 571 201.

61. P P Pradyumnan, 'Synthesis and Structural Studies of Thermoelectric Cobalt Nickel Oxide, Interrnational Intradisciplinary Conference on the Frontiers of Crystallography 29-30 December 2014, Mangalore University Field Marshal K M Cariappa College, Madikeri, Karnataka 571 201.

62. N K Divya, T P Jaya, P P Pradyumnan, 'Structural, morphological International Intradisciplinary Conference on the Frontiers of Crystallography 29-30 December 2014, Mangalore University Field Marshal K M Cariappa College, Madikeri, Karnataka 571 201.

63. Jaya T Pilakkavil, N K Divya, P P Pradyumnan, 'Surface studies of RFM Sputtered casseterite thin films for display applications, 9th International Conference on Computational Physics' (ICCP-9), 7th-11th January 2015, Kent Ridge, National University of Singapore.

64. P P Pradyumnan, 'Superparamagnetism in FeCo Nano Particles, International Conference on Nanomaterials and Nanotechnology (NANO-15), 7-10 Dec 2015, KSRCT, Tiruchengode, Tamilnadu

65. N K Divya and P P Pradyumnan, 'ZnO:Gd Nanocrystals for fluorescent Application', 60th DAE-SSPA-2015, December 21-25, 2015, Amity University UP, Noida.

66. Jaya T P and P P Pradyumnan, 'Variation of Sn:ZnO ceramics with reaction media', National Conference on Modern Optics and Materials Science, December 17-18, 2015, Farook College, Kozhikode, Kerala 673635

67. Muhammed Sabeer N. A and P P Pradyumnan, Enhancement of Thermoelectric properties of Metallic Tin', National Conference on Modern Optics and Materials Science, December 17-18, 2015, Farook College, Kozhikode, Kerala 673635

68. Jumanath E C and P P Pradyumnan, 'Studies on growth and dielectric behaviour of Zinc glutarate crystals by gel diffusion technique, National Conference on Modern Optics and Materials Science, December 17-18, 2015, Farook College, Kozhikode, Kerala 673635

69. Divya N K and P P Pradyumnan, 'Photocatalytic degradation of methylene blue dye using Nd doped ZnO nano crystals, 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India

70. P P Pradyumnan, Anju Paulson and Muhammed Sabeer, 'Cobalt doped SnO2: A new material for thermoelectric application', 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India.

71. Anju Paulson, Muhammed Sabeer and P P Pradyumnan, 'Enhanced thermoelectric Property in Ni2+ doped SnO2, 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India.

72. Jaya T P and P P Pradyumnan, 'Structural and optical property variations of ZTO ceramics with medium of crystal growth', 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India.

73. Muhammed Sabeer and P P Pradyumnan, 'Optimization of sputtering pressure of Sn3N4 thinfilms for thermoelectric generation', 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India

74. Jumanath E C and P P Pradyumnan, 'Structural and thermal characterization on gel grown iron(III) ascorbate crystals', Second International Conference on Materials Science and Technology' (ICMST 2016) June 6-8, 2016, Department of Physics, St.Thomas College, Pala, Kottayam 686574, Kerala

75. Anju Paulson, Muhammed Sabeer and P P Pradyumnan,' Enhancement of sintering temperature on the enhancement of thermoelectric properties of Ni doped SnO2., Second International Conference on Materials Science and Technology' (ICMST 2016) June 6-8, 2016, Department of Physics, St.Thomas College, Pala, Kottayam 686574, Kerala

76. N K Divya and P P Pradyumnan, Urbach Energy Calculations of Highly efficient Zn1-xNdxO Photocatalysts, 61th DAE Solid State Physics Symposium, KIIT University, KIIT, Bhubaneswar, December 26-30, 2016

77. P P Pradyumnan, Anju Paulson, Muhammed Sabeer N A, Deepthy N, Enhanced Power factor in Ho3+ doped ZnO: A new material for TE Application, 61th DAE Solid State Physics Symposium, KIIT University, KIIT, Bhubaneswar, December 26-30, 2016

78. M P Binitha and P P Pradyumnan, Correlation of structure on the magnetic properties of copper succinate dihydrate single crystals, International Conference on Materials and Characterisation Techniques, 10-12 March 2014, VIT University, Vellore, Chennai.

79. Jaya T P, Divya N K and P P Pradyumnan, 'Conducting Transparent Casseterite Thin films by RF Magnetron sputtering for smart window Applications', International Conference on Sustainable Energy Technologies (ICSET) 11-13 Deceber 2014, Department of Physics PSG College of Technology, Coimbatore – 641 004, Tamil Nadu, India

80. Peediyekkal Jayaram, S.Zh. Karazhanov and P P Pradyumnan, ' Red Switching of Ultraviolet Photo Emitting Transparent Electrodes: an investigation based on Ion substitution', International Conference on Sustainable En, 'Photoluminescence quenching and photocatalytic enhancement of Pr-doped ZnO nanocrystals' Bll.Mater.Sci , https://doi.org/10.1007/s12034-017-1507-9, Indian Academy of Science, Springer (28 Nov 2017)ergy Technologies (ICSET) 11-13 Deceber 2014, Department of Physics PSG College of Technology, Coimbatore – 641 004, Tamil Nadu, India

81. Prasoon Prasannanan, Peediyekkal Jayaram, P P Pradyumnan and Deepak N K, ' Core level X-ray photon Spectra for Resolving Surface Chemical States and Quantitative Analysis of Multication Thinfilms', International Conference on Sustainable Energy Technologies (ICSET) 11-13 Deceber 2014,Department of Physics PSG College of Technology, Coimbatore – 641 004, Tamil Nadu, India

82. M P Binitha and P P Pradyumnan, 'Spectroscopic Characterisationa and Thermal Degradation Studies of Nickel Succinate Tetrahydrate crystals, International Intradisciplinary Conference on the Frontiers of Crystallography 29-30 December 2014, Mangalore University Field Marshal K M Cariappa College, Madikeri, Karnataka 571 201.

83. P P Pradyumnan, 'Synthesis and Structural Studies of Thermoelectric Cobalt Nickel Oxide, Interrnational Intradisciplinary Conference on the Frontiers of Crystallography 29-30 December 2014, Mangalore University Field Marshal K M Cariappa College, Madikeri, Karnataka 571 201.

84. N K Divya, T P Jaya, P P Pradyumnan, 'Structural, morphological International Intradisciplinary Conference on the Frontiers of Crystallography 29-30 December 2014, Mangalore University Field Marshal K M Cariappa College, Madikeri, Karnataka 571 201.

85. Jaya T Pilakkavil, N K Divya, P P Pradyumnan, 'Surface studies of RFM Sputtered casseterite thin films for display applications, 9th International Conference on Computational Physics' (ICCP-9), 7th-11th January 2015, Kent Ridge, National University of Singapore.

86. P P Pradyumnan, 'Superparamagnetism in FeCo Nano Particles, International Conference on Nanomaterials and Nanotechnology (NANO-15), 7-10 Dec 2015, KSRCT, Tiruchengode, Tamilnadu

87. N K Divya and P P Pradyumnan, 'ZnO:Gd Nanocrystals for fluorescent Application', 60th DAE-SSPA-2015, December 21-25, 2015, Amity University UP, Noida.

88. Jaya T P and P P Pradyumnan, 'Variation of Sn:ZnO ceramics with reaction media', National Conference on Modern Optics and Materials Science, December 17-18, 2015, Farook College, Kozhikode, Kerala 673635

89. Muhammed Sabeer N. A and P P Pradyumnan, Enhancement of Thermoelectric properties of Metallic Tin', National Conference on Modern Optics and Materials Science, December 17-18, 2015, Farook College, Kozhikode, Kerala 673635

90. Jumanath E C and P P Pradyumnan, 'Studies on growth and dielectric behaviour of Zinc glutarate crystals by gel diffusion technique, National Conference on Modern Optics and Materials Science, December 17-18, 2015, Farook College, Kozhikode, Kerala 673635

91. Divya N K and P P Pradyumnan, 'Photocatalytic degradation of methylene blue dye using Nd doped ZnO nano crystals, 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India

92. P P Pradyumnan, Anju Paulson and Muhammed Sabeer, 'Cobalt doped SnO2: A new material for thermoelectric application', 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India.

93. Anju Paulson, Muhammed Sabeer and P P Pradyumnan, 'Enhanced thermoelectric Property in Ni2+ doped SnO2, 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India.

94. Jaya T P and P P Pradyumnan, 'Structural and optical property variations of ZTO ceramics with medium of crystal growth', 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India.

95. Muhammed Sabeer and P P Pradyumnan, 'Optimization of sputtering pressure of Sn3N4 thinfilms for thermoelectric generation', 'International Conference on Materials Science and Technology (ICMTech 2016), 01-04 March, 2016, University of Delhi, Delhi 110007, India

96. Jumanath E C and P P Pradyumnan, 'Structural and thermal characterization on gel grown iron(III) ascorbate crystals', Second International Conference on Materials Science and Technology' (ICMST 2016) June 6-8, 2016, Department of Physics, St.Thomas College, Pala, Kottayam 686574, Kerala

97. Anju Paulson, Muhammed Sabeer and P P Pradyumnan,' Enhancement of sintering temperature on the enhancement of thermoelectric properties of Ni doped SnO2., Second International Conference on Materials Science and Technology' (ICMST 2016) June 6-8, 2016, Department of Physics, St.Thomas College, Pala, Kottayam 686574, Kerala (Best paper award)

98. N K Divya and P P Pradyumnan, Urbach Energy Calculations of Highly efficient Zn1-xNdxO Photocatalysts, 61th DAE Solid State Physics Symposium, KIIT University, KIIT, Bhubaneswar, December 26-30, 2016

99. P P Pradyumnan, Anju Paulson, Muhammed Sabeer N A, Deepthy N, Enhanced Power factor in Ho3+ doped ZnO: A new material for TE Application, 61th DAE Solid State Physics Symposium, KIIT University, KIIT, Bhubaneswar, December 26-30, 2016

100. P P Pradyumnan, Anju Paulson, Muhammed Sabeer N A, Oxide Thermoelectrics: A key for power generation, International Conferences on Advances in Functional Materials (ICAFM2017) 6-8 January 2017 Anna University, Chennai.

101. Muhammed Sabeer N A, P P Pradyumnan, 'Temperature Stability of Thin Film Thermoelectrics', International Conferences on Advances in Functional Materials (ICAFM2017) 6-8 January 2017 Anna University, Chennai

102. P P Pradyumnan, 'Nanostructuring in Thermoelectric Materials', International Conference on Nano Materials (ICNM2017), 10-12 Feb 2017, International Inter University Centre for Nano Science and Nano Technology (IIUCNN), Mahatma Gandhi University, Kottayam, India

103. Anju Paulson, P P Pradyumnan, ‘Oxide thermoelectrics: A key for power generation’, National Symposium on Nano Science & Technology, Centre for Nano Science and Engineering, IISC Bangalore , 2-4 July 2017

104. Muhammed Sabeer N. A, P P Pradyumnan, ‘Enhancement of thermoelectric power factor of Sn₃N₄ thin film by preferred orientation’, International conference on Thin Films, CSIR-National Physical Laboratory New Delhi , 14-17 November 2017

105. Anju Paulson, P P Pradyumnan, ‘Structural and optical studies of SnO₂ thin films by sol gel dip coating: effect of drying temperature’, International conference on Thin Films, CSIR-National Physical Laboratory New Delhi, 14-17 November 2017

106. Shyni P, P P Pradyumnan, ‘Thermoelectrics for waste heat recovery’, National seminar on Frontiers and developments in nanoscience, 23-24 November 2017, PTM Govt. College, Perinthalmanna

107. Muhammed Sabeer N. A, P P Pradyumnan, ‘An experimental approach of decoupling Seebeck coefficient and electrical resistivity’ 62^nd DAE Solid State Physics Symposium DAE SSPS 2017 , DAE Convention Centre, Anushaktinagar, Mumbai, 26-30 December 2017

108. Anju Paulson, P P Pradyumnan, ‘Photoluminescent emission in UV and visible region for the hydrothermally grown Cu doped SnO₂’, 30^th Kerala Science Congress, Govt. Brennen College, Thalessery d 28-30 January 2018

109. Muhammed Sabeer N. A, P P Pradyumnan, ‘Growth of preferentially oriented Sn₃N₄ thin film for thermoelectric application’, National Seminar on Science and Technology of New Materials for Sustainable future, Department of Physics University of Calicut 7-9 February 2018

110. Nabeela K V, P P Pradyumnan, ‘Thermoelectric enhancement of oxide materials’, National Seminar on Science and Technology of New Materials for Sustainable future, Department of Physics University of Calicut 7-9 February 2018

111. Nabeela K V, P P Pradyumnan, ‘Oxide thermoelectricity’, International Conference on Materials for Energy and Environment, Loyola college, Chennai 22-23 February 2018

112. Midhun shah, P P Pradyumnan, ‘Thermoelectric studies of magnetic tunnel junctions’, National Symposium on Nano Science and Technology, Centre for Nano Science and Engineering, IISC Bangalore. 20-22 June 2018

113. Shyni P, P P Pradyumnan, ‘Effect of surfactant on morphological tuning of Bi₂te₃ nanostructures’ ICONSEA 2018, Jawaharlal Nehru Technological University, Hyderabad 6-8 October 2018

114. Shyni P, P P Pradyumnan, ‘Morphological tuning of Bi₂Te₃ for thermoelectric applications’ ICCFM 2018, Bose center for Basic Science, Kolkata 13-16 December 2018

115. Anju Paulson, P P Pradyumnan, ‘Thermopower enhancement by heavy ion doping in nanostructured ZnO’, International conference on Optoelectronic and Nanomaterials for advanced Technology, Cochin University of science and Technology, Kochi 3-5 January 2019

116. Jumanath E C, P P Pradyumnan, ‘Growth, characterization and dielectric property studies of zinc adipate dihydrate crystals’ , International conference on Optoelectronic and Nanomaterials for advanced Technology, Cochin University of science and Technology, Kochi 3-5 January 2019

117. Nabeela K V, P P Pradyumnan,’ Characterization on structure, morphology and optical properties of hydrothermally synthesized CuO nanoparticles at different calcination temperature’, 5th International conference on Nanoscience and Nanotechnology, SRM Institute of Science and Technology (SRM-IST),Chennai 28-30 January 2019

118. Nabeela K V, P P Pradyumnan, ‘Morphological impact on thermoelectric properties of CuO’, International conference on advanced materials, Nirmalagiri college , Kannur12-14 June 2019

119. Vineetha V S, P P Pradyumnan, ‘Growth and characterization of Zinc Glutarate crystals’, International Conference on physics of Materials and Nanotechnology, Mangalore University, 19-21 September 2019

120. Soumya C, P P Pradyumnan, ‘Synthesis and characterization of nickel doped zinc oxide’, International Conference on Energy& Environment, TKM Collge of Arts & Science, Kollam, 12-14 December 2019

121. Nabeela K V, P P Pradyumnan, ‘Mesopore effects on thermoelectric properties of CuO nanoparticles’ , 64^th DAE Solid State Physics Symposium, BARC,IIT Jodhpur18-22 December 2019

122. Shyni P, P P Pradyumnan, ‘Effect of nanostructuring and alloying on Bi₂te₃ system for low grade waste heat recovery’, International conference on Physics and chemistry, from 4-5 March 2020, Farook college, Kozhikode.

123. Jamshina Sanam P K, Midhun Shah, P P Pradyumnan,’ Effect of Mg doping on thermoelectric and optical properties of delafossite type oxide CuCrO2’, National Conference on Emerging Frontiers in Chemical Sciences, Department of Chemistry, Farook college 4-5 December 2020

124. Shyni P, P P Pradyumnan, ‘Tuned Fermi level and improved thermoelectric performance in Bi₂Te₃/g-C₃N₄ nanocomposite’, 6^th International Conference on Nanoscience and Nanotechnology, SRM IST, Kattankulathur – 603203, 1-3 February 2021

125. Midhun Shah,Jemshihas.A.P, P.K. Jamshina Sanam, P.P.Pradyumnan, An Experimental Setup to Study Magneto Thermoelectric Effect and Spin Seebeck Effect of Thin Films and Nanostructures, International Conference on Advanced Materials Mechanical Characterization (ICAMMC 2021), SRM IST, Chennai. Dec 2-4 2021

126. P P Pradyumnan, Nitride, Oxide and Telluride materials for thermoelectric applications, International Conference on Advanced Materials Mechanical Characterization (ICAMMC 2021), SRM IST, Chennai. Dec 2-4 2021

127. Shyni P, P P Pradyumnan, Bi2Te3 nanotubes and nanoplates for thermoelectric applications: Effect of surfactant on

crystal growth, International Conference on Advanced Materials Mechanical Characterization (ICAMMC 2021), SRM IST, Chennai. Dec 2-4 2021.

128. Nabeela K V, P. P. Pradyumnan, Investigation on thermoelectric performance of Gd doped CuO Nano crystallites, International Conference on Advanced Materials Mechanical Characterization (ICAMMC 2021), SRM IST, Chennai. Dec 2-4 2021.

129. Shyni P, P.P.Pradyumnan, P. Rajasekar, Aswathy M. Narayanan and Arun M. Umarji, Enhanced thermoelectric performance of g-C3N4/Bi2Te3 nanocomposites through simultaneous modulation of electronic and thermal carrier transport, International Conference on Advanced Materials Mechanical Characterization (ICAMMC 2021), SRM IST, Chennai. Dec 2-4 2021.

130. T. Parvathy*, P.P.Pradyumnan, EFFECT OF ANNEALING TEMPERATURE ON THE GROWTH OF SnSe, International Conference on Advanced Materials Mechanical Characterization (ICAMMC 2021), SRM IST, Chennai. Dec 2-4 2021.