Dr. Manjunath T. Nayak

Ph.D. Physics (2019 – Goa University)

(Structural Studies of Glass Materials)

Title: Study of percolation pathways in alkali silicate glasses to understand and enhance the electrical conduction properties

1.  Structures of iron-lithium-calcium-silicate glass and its devitrified state. Silicon (2022); 02 March 2022. https://doi.org/10.1007/s12633-022-01789-2

2. Structural studies of potassium silicate glasses with fixed iron content and their relation to similar alkali silicates. Journal of Non-Crystalline Solids; 518(15 August 2019):85-91., https://doi.org/10.1016/j.jnoncrysol.2019.04.025

3. Structures of silicate glasses with varying sodium and fixed iron contents. Journal of Non-Crystalline Solids; 509(April):42-47., https://doi.org/10.1016/j.jnoncrysol.2019.01.009

4. Roles of Iron and Lithium in Silicate Glasses by Raman Spectroscopy. Journal of Raman Spectroscopy; 50(6)., https://doi.org/10.1002/jrs.5397

5. Magnetic and spectroscopic studies of an iron lithium calcium silicate glass and ceramic. Journal of Non-Crystalline Solids; https://doi.org/10.1016/j.jnoncrysol.2017.12.050

6. Magnetic properties of Fe–Nd silica glass ceramics. DAE Solid State Physics Symposium 2017; 04/2018, https://doi.org/10.1063/1.5028804

7. The Roles of Iron and Sodium in Silicate Glass Formation. DAE Solid State Physics Symposium 2018; 2115, 030224 (2019); https://doi.org/10.1063/1.5113063

Papers Presented/ Conference Presentation

1.  “Structure of Ferrimagnetic Glass – A Multi Technique Approach”, Manjunath T. Nayak, J.A. Erwin Desa and P. D. Babu; “8th NATIONAL CONFERENCE ON THERMOPHYSICAL PROPERTIES, NCTP-2015” Organized by Department of Physics, Malviya National Institute of Technology, Jaipur Under the Auspices of Thermophysical Society of India”, Rajasthan, 14th -16th December, 2015. (Awarded 2nd best for oral presentation)

2.  “Magnetic Studies of Lithium Silicate Glass with Ferric Oxide  Inclusion”, Manjunath T. Nayak, J.A. Erwin Desa and P. D. Babu; “NATIONAL LEVEL SYMPOSIUM ON MATERIAL CHARACTERISATION AND MANUFACTURING, MCM – 2016”, Organised by Department of Mechanical Engineering P. C. College of Engineering, Verna, GOA in collaboration with Department of Physics, Goa University”, Goa, India, 18th -19th August, 2016.

3.  “X – Ray and High – Q Neutron Diffraction Study of SiO2 – CaO – Li2O Glass with Fe2O3”, Manjunath T. Nayak, J.A. Erwin Desa, P.S.R. Krishna and A.B. Shinde; “6th CONFERENCE ON NEUTRON SCATTERING, CNS – 2016”, Organized by Bhabha Atomic Research Center, Mumbai, India, 21st – 23rd November, 2016.

4.  “Structural Changes in Lithium Calcium Silicate Glass with Fe2O3 Inclusion”, Manjunath T. Nayak, J.A. Erwin Desa, P.S.R. Krishna and A.B. Shinde; “INTERNATIONAL CONFERENCE ON ADVANCES IN GLASS SCIENCE AND TECHNOLOGY, ICAGST – 2017”, Organized by CSIR – CGCRI, Kolkata, India, 23rd – 25th January, 2017.

5.  “Magnetic properties of Fe–Nd Silica Glass Ceramics”, Manjunath T. Nayak, J.A. Erwin Desa and P. D. Babu; “ DAE SOLID STATE PHYSICS SYMPOSIUM, DAE SSPS-2017”, Organized by Bhabha Atomic Research Center, Mumbai, India, 26th – 30th December, 2017.

6.  “Effect of iron and sodium inclusion on some properties of silicate glass”, Manjunath T.  Nayak,  J.A.  Erwin  Desa  and  P.  D.  Babu;  “  DAE  SOLID  STATE  PHYSICS SYMPOSIUM, DAE SSPS-2018”, Organized by Bhabha Atomic Research Center in collaboration with Guru Jambheshwar University of Sci. & Tech., Hisar, Haryana, India, 18th – 22nd December, 2018.

7.  “Structures of Lithium Calcium Silicate Glass with Fe2O3”, Manjunath T. Nayak, J.A. Erwin Desa and P. D. Babu; Recent Trends In Condensed Matter Physics organised  by the Department of Physics, Goa University on 12th & 13th March 2020.

8.  “Raman analyses of Potassium Iron Silicate glasses'', Manjunath T. Nayak & J.A.Erwin Desa; International Symposium on Materials Science and Innovation for Sustainable Society organised by the Nanomaterial’s research centre Meijo University - Japan along with Dhempe College of Arts & Science, Government College of Arts, Science and Commerce, Khandola and Under Cluster of Colleges for Research in Chemistry Goa on 26th & 27th August 2020. (Awarded best for oral presentation)

9.  “Comparative structures of vitrified and devitrified Silicate glasses with LiO2.CaO.Fe2O3’’, Manjunath T. Nayak; National Conference on Nanomaterial's for environmental Applications (NFEA – 2020), Organised by P.E.S 's R.S.N. College of Arts & Science, Farmagudi Ponda –Goa 28th & 29th December 2020.

10.  “Synthesis of silver nanoparticles using Ocimum tenuiflorum”, Manjuanth T. Nayak; 8th Interdisciplinary Symposium on Materials Chemistry (ISMC-2020), organized by Society For Materials Chemistry, DAE-BRNS, Bhabha Atomic Research Centre, Mumbai, on June 17-19, 2021.

11. “X – Ray and SANS Study of Lithium Calcium Silicate Glasses with Fe₂O₃”, Manjunath T. Nayak, J.A. Erwin Desa, P.S.R.Krishna and A.B.Shinde and D. Sen; 7^th Conference on Neutron Scattering (Hybrid Mode) organized by Bhabha Atomic Research Centre in association with Neutron Scattering Society of India, Anushaktinagar, Mumbai, on November 25-27, 2021.

2. “Raman analyses of Potassium Iron Silicate glasses'', Manjunath T. Nayak & J.A.Erwin Desa; International Symposium on Materials Science and Innovation for Sustainable Society organised by the Nanomaterial’s research centre Meijo University - Japan along with Dhempe College of Arts & Science, Government College of Arts, Science and Commerce, Khandola and Under Cluster of Colleges for Research in Chemistry Goa on 26th & 27th August 2020. (Awarded best for oral presentation)

·         Life Member of Thermophysical Society of India

·         Life Member of Indian Association of Physics Teachers