1. CURRICULUM VITAE
Dr. E. Ranjith Kumar., Ph. D
Assistant Professor of Physics,
Dr. NGP Institute of Technology Coimbatore – 20.
Contact No: 09786794792
E-mail: ranjueaswar@gmail.com; ranjueaswar@rediffmail.com
"All the great undertakings are achieved through mighty obstacles".
-SWAMI VIVEKANANDA
EDUCATION:
B.Sc Physics (2004-2007)
M.Sc. Physics (2007-2009)
Ph.D in Physics (2009-2014)
College: Sri Ramakrishna Mission Vidyalaya College of Arts & Science, Coimbatore-20.
University: Bharathiar University
Date of Ph.D awarded: 21-08-2014
Ph.D dissertation: “EFFECT OF FUEL RATIO IN COMBUSTION PROCESS AND BIO-TEMPLATE (EGG
WHITE) IN EVAPORATION PROCESS ON STRUCTURAL, MAGNETIC AND DIELECTRIC PROPERTIES
OF Mn SUBSTITUTED MFe2O4 (M=Co, Zn, Ni, Cu) NANOPARTICLES FOR GAS SENSOR
APPLICATIONS”
The experimental techniques used:
 X-Ray Diffraction (XRD),
 Scanning Electron Microscopy (SEM),
 Energy Dispersive Spectrum (EDS)
 Transmission Electron Microscopy (TEM)
 Vibrating Sample Magnetometer (VSM)
 Dielectric Measurements and
 Gas Sensor

2. PROFESSIONAL POSITIONS:
01/05/2013--- 31/03/15 -Physics teacher, Sri Ramakrishna Mission Swami Shivananda Hr. Sec.
School, Coimbatore-20.
06/04/2015--- at present Asst. Professor of Physics, Dr. NGP Institute of Technology, Coimbatore-
48.
AWARDS AND HONORS:
Outstanding reviewer award: Materials Science in Semiconductor Processing (July 2014)
Recognized reviewer award: Superlattices and Microstructures (Sep 2013)
Materials Science in Semiconductor Processing (Dec 2013)
Materials Science and Engineering B, (Dec 2013)
PAPER PRESENTATION IN CONFERENCE AND SEMINARS:
INTERNATIONAL:
1. E. Ranjith Kumar, “Synthesis and dielectric study of Mn0.4Ni0.6Fe2O4 nanoparticles by chemical
precipitation method” INDO-US WORKSHOP & INTERNATIONAL CONFERENCE, January
2011.
2. E. Ranjith Kumar, “The effect of particle size in the magnetic behavior of MnNiFe2O4
nanoparticles” 4th
International Congress of Environmental Research, December 2011.
NATIONAL:
1. E. Ranjith Kumar, “Synthesis and analysis of copper ferrite nanoparticles” National seminar on
“Recent Advances in Nanoscience”, December 2009.
2. E. Ranjith Kumar, BRNS, DST and CSIR Sponsored National Conference on Spintronic
Materials: Nanostructures and Devices (SMND-2011 March).
SEMINARS ATTENTED:
1. One day seminar on “LASER AND ITS APPLICATIONS” (Attended)
2. Seminar on “Concepts of Quantum Mechanics” in commemoration of National Science Day
(Attended).

3. OTHER ACTIVITES:
1. NSS volunteer of SRMV College and participated in the Special Camp on YOUTH FOR
CLEANLINESS held at Odanthurai village.
2. I have reviewed papers for
Materials Science in Semiconductor Processing,
Sensors and Actuators B: Chemical,
Sensors and Actuators A: Physical,
Superlattices and Microstructures,
Materials Science and Engg. B
Journal of Magnetism and Magnetic Materials
TECHNICAL QUALIFICATIONS:
Capability of Working in Windows, Ms-office, Programming in C language.
RESEARCH PUBLICATIONS: (Total Impact Factor: 42 on 25-06-2015)
1. E. Ranjith Kumar, R. Jayaprakash, T. Arun Kumar, Sanjay Kumar, Effect of reaction time on
particle size and dielectric properties of manganese substituted CoFe2O4 nanoparticles, Journal of
Physics and Chemistry of Solids, Volume 74, 2013, Pages 110-114 (I.F. 1.853)
2. E. Ranjith Kumar, R. Jayaprakash, M.S. Seehra, T. Prakash, Sanjay Kumar, “Effect of α-Fe2O3
phase on structural, magnetic and dielectric properties of Mn-Zn ferrite nanoparticles” Journal of
Physics and Chemistry of Solids, Volume 74, July 2013, Pages 943-949. (I.F. 1.853)
3. E. Ranjith Kumar, R. Jayaprakash, Rajesh Patel, “Structural and morphological studies of
manganese substituted CoFe2O4 and NiFe2O4 nanoparticles” Superlattices and Microstructures,
Volume 62, October 2013, Pages 277-284. (I.F. 2.079)
4. E. Ranjith Kumar and R. Jayaprakash “Study of Magnetic Behavior of Mn1-xNixFe2O4
Nanoparticles” Physics Procedia, Volume 49, 2013, Pages 27-35.
5. E. Ranjith Kumar, R. Jayaprakash, Rajesh Patel and Sanjay Kumar, “Preparation and magnetic
properties of the nanosized Mn–Ce–Fe–O system” Materials Science in Semiconductor Processing,
Volume 16, December 2013, Pages 1701-1705. (I.F. 1.955)
6. E. Ranjith Kumar and R. Jayaprakash, “Effect of combustion rate and annealing temperature on
structural and magnetic properties of manganese substituted nickel and zinc ferrites” Journal of
Magnetism and Magnetic Materials, Volume 348, December 2013, Pages 93-100. (I.F. 1.97)

4. 7. E. Ranjith Kumar R. Jayaprakash, J. Chandarasekaran, “Effect of fuel ratio and the impact of
annealing temperature on particle size, magnetic and dielectric properties of manganese substituted
CuFe2O4 nanoparticles” Superlattices and Microstructures, Volume 64, December 2013, Pages
343353. (I.F. 2.079)
8. E. Ranjith Kumar and R. Jayaprakash, “Effect of annealing temperature on structural and magnetic
properties of manganese substituted NiFe2O4 nanoparticles” Materials Science in Semiconductor
Processing, Volume 17, January 2014, Pages 173-177. (I.F. 1.955)
9. E. Ranjith Kumar, R. Jayaprakash, G. Sarala Devi, P. Siva Prasada Reddy “Synthesis of Mn
substituted CuFe2O4 nanoparticles for liquefied petroleum gas sensor applications “Sensors and
Actuators B: Chemical, Volume 191, February 2014, Pages 186-191. (I.F. 4.007)
10. E. Ranjith Kumar and R. Jayaprakash “The role of annealing temperature and bio template (egg
white) on the structural, morphological and magnetic properties of manganese substituted MFe2O4
(M=Zn, Cu, Ni, Co) nanoparticles” Journal of Magnetism and Magnetic Materials, Volume 355,
April 2014, Pages 87-92. (I.F. 1.97)
11. E. Ranjith Kumar, R. Jayaprakash, G. Sarala Devi, P. Siva Prasada Reddy “Magnetic, dielectric
and sensing properties of manganese substituted copper ferrite nanoparticles” Journal of Magnetism
and Magnetic Materials, Volume 351, February 2014, Pages 70-75. (I.F. 1.97)
12. E. Ranjith Kumar, R, Jayaprakash, T. Prakash, “The effect of annealing on phase evolution,
microstructure and magnetic properties of Mn substituted CoFe2O4 nanoparticles” Journal of
Magnetism and Magnetic Materials, Volumes 358–359, May 2014, Pages 123-127. (I.F. 1.97)
13. E. Ranjith Kumar, R. Jayaprakash, The role of fuel concentration on particle size and dielectric
properties of manganese substituted zinc ferrite nanoparticles, Journal of Magnetism and Magnetic
Materials, Volume 366, October 2014, Pages 33-39. (I.F. 1.97)
14. T. Prakash, R. Jayaprakash, C. Espro, G. Neri, E. Ranjith Kumar et al., “Effect of Sn doping on
microstructural and optical properties of ZnO nanoparticles synthesized by microwave irradiation
method” Journal of Materials Science 02/2014; 49(4). (I. F. 2.37)
15. P. Chitra, A. Muthusamy, R. Jayaprakash, E. Ranjith Kumar, “Effect of ultrasonication on particle
size and magnetic properties of polyaniline NiCoFe2O4 nanocomposites” Journal of Magnetism and
Magnetic Materials, Volume 366, October 2014, Pages 55-63(I.F. 1.97).

5. 16. E. Ranjith Kumar, and Aleksandr S. Kamzin, T. Prakash “ Effect of particle size on structural,
magnetic and dielectric properties of manganese substituted nickel ferrite nanoparticles” Journal of
Magnetism and Magnetic Materials, Volume 378 (2015) 389-396. (I.F. 1.97).
17. K. Gnanamoorthi, M. Balakrishnan, R. Mariappan, E. Ranjith Kumar, “Effect of Ce doping on
microstructural, morphological and optical properties of ZrO2 nanoparticles” Materials Science in
Semiconductor Processing, 30 (2015) 518-526. (I.F. 1.955).
18. T. Prakash, G. Neri, E. Ranjith Kumar, “A comparative study of the synthesis of CdO
nanoplatelets by an albumen- assisted isothermal evaporation method” Journal of Alloys and
Compounds, 624 (2015) 258-265. (I.F. 2.999).
19. T. Prakash, G. Neri, E. Ranjith Kumar, “Structural, morphological and optical properties of Bi
doped ZnO nanoparticles synthesized by a microwave irradiation method” Journal of Materials
Science: Materials Electronics (I.F. 1.9).
20. K. Gnanamoorthi, M. Balakrishnan, E. Ranjith Kumar, and R. Espinoza-González, “Effect of Annealing on
Structural, Morphological and Optical Properties of ZrO2 Nanoparticles” Journal of Advanced Physics,
4 (2015) 8-14.
21. K. Gnanamoorthi, M. Balakrishnan, Mariappan, T. Prakash, E. Ranjith Kumar, R. Espinoza-González, and
R. Bakkiyaraj, “Surfactant-Liaised Variation in ZrO2 Nanocomposites Morphology” Journal of
Advanced Physics, 4 (2015) 37-40.
22. S. Chandrasekar, E. Ranjith Kumar, J. Chandrasekaran, "Influence of heat treatment on structural and
magnetic properties of manganese-cerium mixed iron oxide nanocomposites." Journal of Advanced
Physics (Accepted).
23. E. Ranjith Kumar, G. Sarala Devi, P. Siva Prasada Reddy “Gas Sensing Studies of Manganese
Substituted ZnFe2O4 Nanoparticles” Journal of Advanced Physics (Accepted).
E. Ranjith Kumar, T. Arunkumar and T. Prakash, “Heat treatment effects on Structural and
dielectric properties of Mn substituted CuFe2O4 and ZnFe2O4 nanoparticles prepared by auto-
combustion method” Superlattices and Microstructures, Volume 85, 2015, Pages 530-535. (I.F.
1.979)
24. E. Ranjith Kumar, G. Sarala Devi, P. Siva Prasada Reddy, T. Arunkumar "A novel synthesis of
manganese substituted MFe2O4 (M= Zn, Cu, Ni, Co) nanoparticles for gas sensor applications" “Sensors and
Actuators B: Chemical, (Under Review).