Dr I John Berlin – Mar Thoma College, Tiruvalla

Dr I John Berlin

Dr. I. John Berlin

Dr. I. John Berlin MSc, MPhil, PhD

Areas of Interest/ Specialization: Material Science and Electronics

Areas of Research Interest: Thinfilms, Nano Technology, Spintronics and Solar Materials

Publications
1.	MODIFICATION OF STRUCTURAL AND PHOTOLUMINESCENCE PROPERTIES OF ZrO2 THINFILMS BY COPPER (Cu) DOPING *I. JohnBerlin*, International Journal of Advance Research in Science and EngineeringVolume-06, Issue-03 204-208
2.	Optical enhancement of Au doped ZrO2 thin films by sol–gel dip coating method *I. JohnBerlin,K.Joy, Physica B 457(2015)182–187 (Elsevier)**.
3.	Effect of Sol temperature on the structure, morphology, optical and photoluminescence properties of nanocrystalline Zirconia thin films I. John Berlin, J .S. Lakshmi, SujathalekshmyS Georgi P. Daniel, P.V. Thomas K. Joy Journal of Sol-Gel Science and Technology 58, 3 (2011) 669– 676 (Springer).
4.	Influence of oxygen atmosphere on the photoluminescence properties of Sol-gel derived ZrO2 thin films I. John Berlin,V. S. Anitha, P. V. Thomas , K. Joy Journal of Sol-Gel Science and Technology 64 (2012) 289-296 (Springer).
5.	Enhancement of photoluminescence emission intensity of zirconia thin films via aluminium doping for the application of solid state lighting in light emitting diode I. John Berlin, L. V. Maneeshya, Jijimon K Thomas, P. V. Thomas, K. Joy Journal of Luminescence 132 (2012) 3077-3081 (Elsevier).
6.	Effect of Mn doping on the structural and optical properties of ZrO2 thin films prepared by sol gel method I. John Berlin, S. Sujathalekshmy, P.V. Thomas, V.Ganesan, K. Joy Thin Solid films550(2014)199-205 (Elsevier).
7.	Effects of annealing temperature on the structural and photoluminescence properties of nanocrystalline ZrO2 thin films prepared by sol–gel route K. Joy, I. John Berlin, Prabitha B. Nair, J.S. Lakshmi, Georgi P. Daniel, P.V. Thomas Journal of Physics and Chemistry of Solids72 (2011) 673-677 (Elsevier).
8.	Effect of calcination atmosphere on photoluminescence properties of nanocrystalline ZrO2 thin films prepared by sol–gel dip coating method J .S. Lakshmi, I. John Berlin, Georgi P. Daniel, P.V. Thomas, K. Joy . Physica B. 406 (2011) 3050-3055 (Elsevier).
9.	Influence of annealing temperature and oxygen atmosphere on the optical and photoluminescence properties of BaTiO3 amorphous thin films prepared by sol-gel method L. V. Maneeshya. V. S. Anitha, S. Sujathalekshmy, I. John Berlin, Prabitha B. Nair, Georgi P. Daniel, P.V. Thomas, K. Joy Journal of material science and material electronics 24 (2013) 848 (Elsevier).
10.	Band gap tuning and improved optical properties of ZrO2-SnO2nanocomposite thin films prepared by sol-gel route J. S. Lakshmi, I. John Berlin, Jijimon K. Thomas, P. V. Thomas, K. Joy IOP Conference Series: Materials Science and Engineering 23 (2011) 012030.
11.	Effect of annealing temperature on optical and electrical properties of ZrO2-SnO2 based nanocomposite thin films. V S Anitha, S S Lekshmy, I John Berlin, K Joy American Institute of Physics Conference Series 1576, 180-182
12.	Annealing effects on structural, electrical and optical properties of antimony-tinoxide thin films deposited by sol gel dip coating technique S S Lekshmy, V S Anitha, I. John Berlin, K Joy Optoelectronic materials and thin films: OMTAT 2013 1576 (1), 55-57
13.	Structural and Optical characterization of tin oxide thin films by Sol-gel dip coating technique S S Lekshmy, I. John Berlin, K Joy IOP Conference Series: Material Science and Engineering 73 (1), 012018

Departments

Paper Presented in Seminars/Conferences
1.	Paper presentation in National Seminar on “Advances in Functional Materials” (AFM -2017) held at All Saints College Thiruvananthapuram during 19 – 20 September, 2017, entitled as Modification of structural and photoluminescence properties of ZrO2 thinfilms by copper (cu) doping.
2.	Paper presentation in 22nd Kerala science congress held at Kerala Forest Research Institute, Peechi during 28-31 January 2010, entitled as “Luminescence properties of nano crystalline ZrO2 films prepared by Sol- Gel method”
3.	Paper presentation in recent advances in nano science and technology (NS NANO-2009) held at SN Collge Kollam, entitled “Optical characterization of nanocrystalline thin films prepared by Sol-gel dip coating method”.
4.	Paper presentation International conference on materials science and technology(ICMST 2012)
5.	Paper presentation in International Conference on Recent Frontiers in Applied Spectroscopy (ICORFAS-2010) held at Department of Physics, Annamalaiuniversity, Annamalai Nagar, Tamil Nadu, entitled as “Annealing effect on the optical properties and structural modification of sol-gel derived nanocrystalline ZrO2 thin films”
6.	Paper presentation in a “National seminar on New Materials and nanotechnology” in the topic of “Plasmonic manipulation of light in ZrO2 thin films Au dopants for the application of optical fibre” held at Heera college of engineering and technology on 16 & 17 of January 2015.
7.	Presented a paper in a Seminar “ Advancement in Physics (SAP -2015) conducted by MMNSS college Kollam Kerala in the topic of “Band gap tuning of ZrO2 thin films”