Dr. Sreeja RAssistant Professor of Physics

  • M.Sc., Ph.D
Areas of Interest
  • Nano photonics

  • Nonlinear optics


Date of Joining: 12.07.2013

Phone Number: 9400446544

Email Id: sreekrishna07@gmail.com

Research details

  • PhD from Cochin University of science and technology in 2012
  • Guideship from University of Kerala in Physics in 2016


  • Second Rank in MSc Physics from Cochin University of Science and Technology 2006
  • KSCSTE State Research Fellowship winner of 2006 in Physical Science
  • National merit scholar ship for SSLC winner 1999
  • INSA NASI Sumer fellowship 2015
  • Represented college for the presentation of DBT STAR scheme in Delhi 2015

Membership in professional bodies

  • SPIE (International Society for Optical Engineering) Student Member
  • ECS (Electrochemical Society) Student Member
  • MRSI (Materials Research Society of India) Life time member



1. Size dependent optical nonlinearity of Au nanocrystals, R. Sreeja, P. M. Aneesh, Arun Aravind, R. Reshmi, Reji Philip and M. K. Jayaraj, Journal of Electrochemical society, 156 (10), K167 (2009)

2. Linear and nonlinear optical properties of luminescent ZnO nanoparticles embedded in PMMA matrix, R. Sreeja, Jobina John, P. M. Aneesh and M. K. Jayaraj, Optics Communications 283 (2010) 2908–2913

3. Linear and Nonlinear Optical Properties of Gold Nanoparticle Attached MWCNTs, R. Sreeja, P. M. Aneesh , K.Hasna and M. K. Jayaraj, Journal of The Electrochemical Society, 158 (10) K187-K191 (2011)

4. Liquid phase pulsed laser ablation of metal nanoparticles for nonlinear optical applications, R. Sreeja, R. Reshmi, P. M. Aneesh and Dr. M. K. Jayaraj, Science of Advanced Materials,Vol. 4, pp. 1–10, 2012

5. Linear and nonlinear optical properties of rare earth doped of BST thin films, R. Reshmi, R. Sreeja, M. K. Jayaraj, J. James and M. T. Sebastian, Applied Physics B: Lasers and Optics,  96, 433 (2009)

6. Determination of third-order optical absorptive nonlinearity of ZnO nanoparticles by Z-scan technique, R. Sreeja, R. Reshmi, Manu George and M. K. Jayaraj, Proceedings of SPIE – The International Society for Optical Engineering 7155, art. no. 715521 (2008)

7. Growth of silver nanoparticles in SiO2 matrix by co-sputtering technique, K. C. Sanal, R. Sreeja, K. Anlin Lazar and M. K. Jayaraj, Proc. of SPIE, 7393, 73930J (2009)

8. Electrical and optical characteristics of surface treated ZnO nanotubes, R. Renjusha, R. Sreeja, A. M. Anu, K. R. V. Subramanian, Santhikumar V. Nair and A. Balakrishnan , Materials research Bulletin 47, 1887-1891 (2012)

9. Impurity mediated large three photon absorption in ZnS: Cu nanophosphors R Sreeja, K Sridharan, R Philip, MK Jayaraj Optical Materials 36 (5), 861-866, 2014

10. Synthesis of Silver Nanoparticles by Liquid Phase Pulsed Laser Ablation for Antibacterial Applications R Sreeja, Joyni Jacob and M K Jayaraj International Journal of Pure and Applied Physics. Volume 13, Number 2 (2017), pp. 155-160

Conference Publications

1. Determination of third-order optical absorptive nonlinearity of ZnO nano particles by Zscan technique, Sreeja.R, Reshmi.R, Manu George, M.K.Jayaraj (Presented at LM2008 – 9th International Symposium on Laser Metrology – 30 June – 2 July 2008, SMU Conference Centre, Singapore)

2. Size dependent optical absorptive nonlinearity of Au nano clusters in water, R.Sreeja, P.M.Aneesh, Arun Aravind, R.Reshmi, M.K.Jayaraj (Presented in Photonics 2008 Fiber Optics and Photonics 9-11 Dec.2008, New Delhi, India)

3. Gold nanoparticles by liquid phase pulsed laser ablation for biological and optical limiting applications P.M.Aneesh, R.Sreeja, Arun Aravind, R.Reshmi, M.K.Jayaraj (Presented at 2nd BANGALORE NANO 11th to 13th December 2008, at Bangalore)

4. Fabrication of an automized Z-scan setup for nonlinear optical studies, R.Sreeja, Jobina John, V.L.Anuraj, K.Saritha, M.K.Jayaraj (Presented in International Seminar at PSGRKC on Mathematical &Experimental Physics” is on 18th & 19th Dec 2008)

5. Synthesis of gold nanoparticles by laser ablation in liquid media, P. M. Aneesh, Arun Aravind, R. Sreeja, R. Reshmi and M. K. Jayaraj, Second International Conference on Frontiers in Nanoscience and Technology (Cochin Nano – 2009), Kochi, India

6.Growth of ZnO nanostructures by pulsed laser ablation, M. K. Jayaraj, R. S. Ajimsha, R. Reshmi, R. Sreeja, P. M. Aneesh, National Conference, Pondicherry University, Pondicherry, India (Invited Talk)

7. Linear and nonlinear optical properties of pulsed laser deposited Zn(1-x)MnxO thin films, R.Sreeja, Arun Aravind, E.K.Ragitha, M.K.Jayaraj Presented at ICE 2009, Delhi , India

8. Synthesis and characterization of ZnO nanotubes, K Hasna, R Sreeja, P P Subha, K Rajeev Kumar and M K Jayaraj, NSNT 2011

9.SERS studies of carbon nanotubes with attached gold Nanoparticles, K Hasna, R Sreeja, P P Subha, K Rajeev Kumar and M K Jayaraj, Proc. of Cochin Nano 2011, Cochin,India

10. Synthesis of ZIF-8 nanocrystals, Sreeja R and A.Thirumurugan, Proc. Of National Seminar on Recent Biochemical Approaches in Therapeutics III (RBAT III)

contact details

St.Johns College
Anchal, Kollam District.

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