Faculty

Dr. Y. Ashok Kumar Reddy

DST-Inspire Faculty (Assistant Professor)

E-mail: akreddy@iiitdm.ac.in | Ph: +91-44 2747 6369 | Room No: A-305 (Admin building, 3rd floor)

Google scholar: https://scholar.google.com/citations?hl=en&user=nk&user

Research gate: https://www.researchgate.net/profile/Y_Ashok_Reddy

ORCID: https://orcid.org/0000-0001-5325-4985

Education

Sri Venkateswara University

Tirupati

Physics

2010 - 2013

Sri Venkateswara University

Tirupati

Physics

2007 - 2009

Sri Venkateswara University

Tirupati

Physics, Chemistry, Mathamatics

2004 - 2007

Specialization

  1. Thin film coatings technology

  2. Materials Science

Research Interests

  1. Metal oxide nano-structures for defence/electronic device applications

  2. Semiconductor metal oxides for Infrared image sensors

  3. Thin film coatings technology

Honours + Awards + Recognitions

  1. DST-INSPIRE Faculty Award funded by Department of Science and Technology, Government of India, Ministry of Science & Technology (Aug. 2018 to July 2023)

  2. Postdoctoral researcher under BK21plus program funded by NRF, South Korea (Nov. 2013 to Feb. 2016)

  3. Junior Research Fellowship, University Grants Commission, New Delhi from July 2011 to Oct. 2013

Work Experience

Teaching

  1. Guest faculty, Department of Physics, Sri Padmavati Women's Degree College, Tirupati (2011- 2012)

Research

  1. Senior-postdoctoral Researcher, Global Center for Open Research with Enterprise, Korea advanced institute of science and technology (KAIST), South Korea (Aug. 2017-July 2018)

  2. Research Professor, School of Electrical Engineering, KAIST, South Korea (Mar. 2016-July 2017)

  3. Postdoctoral Researcher, Information & Electronics Research Institute, KAIST, South Korea (Nov. 2013-Feb. 2016)

Industry

  1. i3 system, South Korea, Innovative Industry-University collaboration for making the Infrared image detector (Aug. 2017-July 2018)

Professional Membership

  1. Editorial Board Member, American Journal of Materials Synthesis and Processing, Science Publishing group

  2. Editorial Board Member, International Journal of Innovative Research in Engineering & Management (IJIREM)

  3. Life member of Asia-Pacific Chemical, Biological & Environmental Engineering Society (APCBEES membership No: 201891)

  4. Life member of International Association of Engineers (IAENG membership No: 167933)

Professional Service

  1. Reviewed the following journals

  2. 1. Applied Surface Science (Elsevier)

  3. 2. Journal of Alloys and Compounds (Elsevier)

  4. 3. Materials Research Express (IOP)

  5. 4. Chinese Physics B (IOP)

  6. 5. Acta Metallurgica Sinica (Springer)

Books

  1. 1. Y. Ashok Kumar Reddy, B. Ajitha, P. Sreedhara Reddy, Investigations on Nickel Oxide Based Thin Films for Gas Sensor Applications, LAP LAMBERT Academic Publishing, Germany, ISBN: 978-3-330-03817-2, 1-208 (2017)

  2. 2. B. Ajitha, Y. Ashok Kumar Reddy, P. Sreedhara Reddy, Synthesis of Silver Nanoparticles via Chemical and Green routes for Biological Applications, LAP LAMBERT Academic Publishing, Germany, ISBN: 978-3-330-04258-2, 1-155 (2017)

Journal Publications

  1. 1. Y. Ashok Kumar Reddy*, I-K. Kang, Y.B. Shin, Hee Chul Lee, Improvement of the thermal stability of Nb:TiO2-x samples for uncooled infrared detectors, Journal of Physics D: Applied Physics, 51, 025104 (2018).

  2. 2. Y. Ashok Kumar Reddy*, Y.B. Shin, I-K. Kang, Hee Chul Lee, Influence of Nb doping concentration on bolometric properties of RF magnetron sputtered Nb:TiO2-x films, Journal of Electronic Materials, 47, 2171-2176 (2018).

  3. 3. I-K. Kang, Y. Ashok Kumar Reddy*, Y.B. Shin, W.Y. Kim, Hee Chul Lee, Enhanced bolometric properties of nickel oxide thin films for infrared image sensor applications by substitutional incorporation of Li, Ceramics International, 44, 7808-7813 (2018).

  4. 4. B. Ajitha, Y. Ashok Kumar Reddy*, H-J. Jeon, Chi Won Ahn, Synthesis of silver nanoparticles in an eco-friendly way using Phyllanthus amarus leaf extract: Antimicrobial and catalytic activity, Advanced Powder Technology, 29, 86-93 (2018).

  5. 5. Y. Ashok Kumar Reddy*, I-K. Kang, Y.B. Shin, Hee Chul Lee, Bolometric properties of oxygen atmosphere annealed Nb:TiO2-x films for infrared detectors, Ceramics International, 43, 9207-9213 (2017).

  6. 6. Y. Ashok Kumar Reddy*, Y.B. Shin, I-K. Kang, Hee Chul Lee, Effect of sputtering pressure on microstructure and bolometric properties of Nb:TiO2-x films for infrared image sensor applications, Journal of Applied Physics, 119, 044504 (2016).

  7. 7. Y. Ashok Kumar Reddy*, Y.B. Shin, I-K. Kang, Hee Chul Lee, Substrate temperature dependent bolometric properties of TiO2-x films for infrared image sensor applications, Ceramics International, 42, 17123-17127 (2016).

  8. 8. Y. Ashok Kumar Reddy†, B. Ajitha†, P. Sreedhara Reddy, H-J. Jeon, Chi Won Ahn, Role of capping agents in controlling silver nanoparticles size, antibacterial activity and potential applications as optical hydrogen peroxide sensors, RSC Advances, 6, 36171-36179 (2016).

  9. 9. Y. Ashok Kumar Reddy*, Y.B. Shin, I-K. Kang, Hee Chul Lee, P. Sreedhara Reddy, Enhanced bolometric properties of TiO2-x thin films by thermal annealing, Applied Physics Letters, 107, 023503 (2015).

  10. 10. Y. Ashok Kumar Reddy*, I-K. Kang, Y.B. Shin, Hee Chul Lee, Bolometric properties of reactively sputtered TiO2-x films for thermal infrared image sensors, Journal of Physics D: Applied Physics, 48, 355104 (2015).

  11. 11. Y. Ashok Kumar Reddy, I-K. Kang, Y.B. Shin, Hee Chul Lee, P. Sreedhara Reddy, Oxygen partial pressure and thermal annealing dependent properties of RF magnetron sputtered TiO2-x films, Materials Science in Semiconductor Processing, 32, 107-116 (2015).

  12. 12. Y. Ashok Kumar Reddy, A.S. Reddy, P. Sreedhara Reddy, Effect of oxygen partial pressure on the properties of NiO-Ag composite films grown by DC reactive magnetron sputtering, Journal of Alloys and Compounds, 583, 396-403 (2014).

  13. 13. Y. Ashok Kumar Reddy*, B. Ajitha, P. Sreedhara Reddy, M.S.P. Reddy, J-H. Lee, Effect of substrate temperature on structural, optical and electrical properties of sputtered NiO-Ag nanocrystalline thin films, Electronic Materials Letters, 10, 907-913 (2014).

  14. 14. Y. Ashok Kumar Reddy*, B. Ajitha, P. Sreedhara Reddy, Influence of thermal annealing on structural, morphological, optical and electrical properties of NiO-Cu composite thin films, Materials Express, 4, 32-40 (2014).

  15. 15. Y. Ashok Kumar Reddy, A.S. Reddy, P. Sreedhara Reddy, Enhancement of NH3 gas sensing properties of NiO-based thin films deposited by DC reactive magnetron sputtering, Science of Advanced Materials, 6, 178-188 (2014).

  16. 16. Y. Ashok Kumar Reddy, A.S. Reddy, P. Sreedhara Reddy, Substrate temperature dependent properties of Cu doped NiO films deposited by DC reactive magnetron sputtering, Journal of Materials Science & Technology, 29, 647-651 (2013).

  17. 17. Y. Ashok Kumar Reddy, A.S. Reddy, P. Sreedhara Reddy, Influence of oxygen partial pressure on the structural, optical and electrical properties of Cu-doped NiO thin films, Physica Scripta, 87, 015801 (2013).

  18. 18. K.M. Rajesh, B. Ajitha, Y. Ashok Kumar Reddy*, Y. Suneetha, P. Sreedhara Reddy, Chi Won Ahn, A facile bio-synthesis of copper nanoparticles using Cuminum cyminum seed extract: Antimicrobial Studies, Advances in Natural Sciences: Nanoscience and Nanotechnology, 9, 035005 (2018).

  19. 19. K.M. Rajesh, B. Ajitha, Y. Ashok Kumar Reddy*, Y. Suneetha, P. Sreedhara Reddy, Assisted green synthesis of copper nanoparticles using Syzygium aromaticum bud extract: Physical, optical and antimicrobial properties, Optik, 154, 593-600 (2018).

  20. 20. I-K. Kang, Y. Ashok Kumar Reddy, Y.B. Shin, W.Y. Kim, Hee Chul Lee, Sputtering pressure dependent bolometric properties of Ni1-xO thin films for uncooled bolometer applications, Ceramics International, 43, 9498-9504 (2017).

  21. 21. B. Ajitha, Y. Ashok Kumar Reddy, M.J. Kim, H-J. Jeon, Chi Won Ahn, Superior catalytic activity of synthesized triangular silver nanoplates with optimized sizes and shapes, Catalysis Science & Technology, 6, 8289-8299 (2016).

  22. 22. B. Ajitha, Y. Ashok Kumar Reddy, P. Sreedhara Reddy, Y. Suneetha, H-J. Jeon, Chi Won Ahn, Instant biosynthesis of silver nanoparticles using Lawsonia inermis leaf extract: Innate catalytic, antimicrobial and antioxidant activities, Journal of Molecular Liquids, 219, 474-481 (2016).

  23. 23. Y.B. Shin, Y. Ashok Kumar Reddy, I-K. Kang, Hee Chul Lee, Nb doping effect on TiO2-x films for bolometer applications, Journal of Physics and Chemistry of Solids, 91, 128-135 (2016).

  24. 24. B. Ajitha, Y. Ashok Kumar Reddy, P. Sreedhara Reddy, Green synthesis and characterization of silver nanoparticles using Lantana camara leaf extract, Materials Science and Engineering: C, 49, 373-381 (2015).

  25. 25. B. Ajitha, Y. Ashok Kumar Reddy, P. Sreedhara Reddy, Enhanced antimicrobial activity of silver nanoparticles with controlled particle size by pH variation, Powder Technology, 269, 110-117 (2015).

  26. 26. B. Ajitha, Y. Ashok Kumar Reddy, P. Sreedhara Reddy, Biosynthesis of silver nanoparticles using Momordica charantia leaf broth: Evaluation of their innate antimicrobial and catalytic activities, Journal of Photochemistry and Photobiology B, 146, 1-9 (2015).

  27. 27. I-K. Kang, Y. Ashok Kumar Reddy, Y.B. Shin, Hee Chul Lee, Systematic investigation on deposition temperature effect of Ni1-xO thin films for uncooled infrared image sensor applications, IEEE Sensors Journal, 15, 7234-7241 (2015).

  28. 28. B. Ajitha, Y. Ashok Kumar Reddy, S. Shameer, K.M. Rajesh, Y. Suneetha, P. Sreedhara Reddy, Lantana camara leaf extract mediated silver nanoparticles: Antibacterials Antibacterial, green catalyst, Journal of Photochemistry and Photobiology B, 149, 84-92 (2015).

  29. 29. B. Ajitha, Y. Ashok Kumar Reddy, P. Sreedhara Reddy, Biogenic nano-scale silver particles by Tephrosia purpurea leaf extract and their inborn antimicrobial activity, Spectrochimica Acta, Part A, 121, 164-172 (2014).

  30. 30. B. Ajitha, Y. Ashok Kumar Reddy, P. Sreedhara Reddy, Biosynthesis of silver nanoparticles using Plectranthus amboinicus leaf extract and its antimicrobial activity, Spectrochimica Acta, Part A, 128, 257-262 (2014).

Conference Publications

  1. 1. Y. Ashok Kumar Reddy, I-K. Kang, Y. B. Shin, Hee Chul Lee, Oxygen atmosphere annealing effect on the thermal stability of TiO2-x based films for shutter-less infrared image sensors, Key Engineering Materials, 775 (2018) 272-279 [8th International Conference on Key Engineering Materials, Japan, March 16-18, 2018].

  2. 2. Y. Ashok Kumar Reddy, Y.B. Shin, I-K. Kang, Hee Chul Lee, Influence of deposition temperature on TiO2-x films for infrared image sensor applications, IEEE Sensors Proceedings, South Korea, ISBN: 978-1-4799-8202-8 (2015) 1-4 [International Conference on IEEE Sensors, South Korea, November 1-4, 2015].

  3. 3. Y. Ashok Kumar Reddy, A.S. Reddy, P. Sreedhara Reddy, Influence of oxygen partial pressure on the physical properties of Ag doped NiO thin films, AIP Conf. Proc., 1536 (2013) 475-476 [International Conference on Recent trends in Applied Physics & Material science, Bikaner, February 01-02, 2013].

  4. 4. Y. Ashok Kumar Reddy, A.M. Reddy, A.S. Reddy, P. Sreedhara Reddy ,Structural and electrical properties of pure and Cu doped NiO films deposited at various oxygen partial pressures, AIP Conf. Proc., 1512 (2013) 640-641 [57th DAE Solid State Physics Symposium, BRNS, IIT Bombay, India, 3-7, December 2012].

  5. 5. A.M. Reddy, Y. Ashok Kumar Reddy, C.S. Reddy, A.S. Reddy, P. Sreedhara Reddy, Oxygen partial pressure dependent properties of nanocrystalline nickel oxide thin films, Springer Proc. in Physics, 143 (2013) 165-168 [International Conference Advanced nanomaterials and Nanotechnology, IIT Guwahati, December 8-10, 2011].

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