Ministry of Education
J AYYAPPAN
VIDWAN ID: 601597

Dr J AYYAPPAN

Male Doctor of Philosophy
Assistant Professor | Department of Physics
Government College of Engineering (2025)
Tamil Nadu
Expertise: Atomic, Molecular and Chemical
ORCID 0000-0002-8478-0969 Scopus 57865895000 Google Scholar tK4buOcAAAAJ
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8 Publications
0 Projects
35 Scopus Citations
33 CrossRef
5 Years 6 Months Total Experience
Publications
8 Total
Articles
8
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Scopus Scopus
35 Citations
3 h-index
CrossRef CrossRef
33 Citations
3 h-index
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Professional Recognition

NPTEL DISCIPLINE STARS
2024
NPTEL
NPTEL DISCIPLINE STARS
2020
NPTEL
NPTEL MOTIVATED LEARNERS
2024
NPTEL
GATE (AIR 188
2014
IIT
GATE (AIR 202
2016
IIT
GATE (AIR 380
2015
IIT
CSIR NET JRF (AIR 71
2014
CSIR HRDG
CSIR NET JRF
2015
CSIR-HRDG
CSIR NET JRF
2016
CSIR-HRDG
SET
2012
BHARATHIAR UNIVERSITY
NPTEL DISCIPLINE STAR (JULY-DEC 2025
2025
NPTEL

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Personal Details

Doctor of Philosophy
2025
N/A
Master of Science
2012
NMEICT (MHRD, GoI)
Bachelor of Science
2010
N/A
Assistant Professor
Feb 2025 – —
Government College of Engineering | Department of Physics
Junior Research Fellow
Jul 2014 – May 2017
Raman Research Institute | Department of Light and Matter Physics
Research Scholar
Dec 2012 – Jun 2014
Madras University, Chennai | Department of Theoretical Physics
Physical Sciences
Atomic, Molecular and Chemical

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Organisation (0)

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Scholarly Work

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Scholarly Publications

Structural, magnetic and electrical properties of BiFeO3 co-substituted with Pr-Mn

Journal Article
Materials Research Bulletin. Year: 2015. Volume: 65 , Pages: 224-230 .
Authors: K. Saravana Kumar; J. Ayyappan; C. Venkateswaran
DOI 10.1016/j.materresbull.2014.12.077 Crossref Crossref: 11 Scopus Scopus: 11

Crystal structure, Hirshfeld surface and frontier molecular orbital analysis of 10-benzyl-9-(4-hydroxy-3-methoxyphenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione

Open Access
Journal Article
Acta Crystallographica Section E. Year: 2022. Volume: 78 , Pages: 789-793 .
Authors: V. Sughanya; B. Loganathan; D. Praveenkumar; J. Ayyappan; M. L. Sundararajan; A. Prabhakaran; A. Dhandapani; N. Suresh Babu
DOI 10.1107/S2056989022006557 Crossref Crossref: 3 Scopus Scopus: 3

Atomic magnetometer using phase-sensitive excitations in a Δ system

Journal Article
Physica Scripta. Year: 2025. Volume: 100 , Issue: 6 , Pages: 065116 .
Authors: Ayyappan J; Beena T
DOI 10.1088/1402-4896/add845

2,2′-[(4-Butoxyphenyl)methylene]bis(3-hydroxy-5,5-dimethylcyclohex-2-en-1-one)

Open Access
Journal Article
IUCrData. Year: 2025. Volume: 10 , Issue: 2 , Pages: x250180 .
Authors: N. Suresh Babu; S. Anbu Chudar Azhagan; B. Loganathan; V. Sughanya; J. Ayyappan
DOI 10.1107/s2414314625001804

The microwave assisted autler-townes splitting and the impact of the ground state decoherence on the amplification of a phase sensitive $$\Delta$$ system

Journal Article
Journal of Optics. Year: 2024.
Authors: J. Ayyappan; T. Beena
DOI 10.1007/s12596-024-02407-7 Crossref Crossref: 1 Scopus Scopus: 1

Anomalous to normal dispersion nonlinear optical dephasing switch in electromagnetically induced transparency using a Kerr effect

Open Access
Journal Article
Journal of Physics Communications. Year: 2024. Volume: 8 , Issue: 7 , Pages: 075002 .
Authors: Ayyappan J; Beena T
DOI 10.1088/2399-6528/ad5b39 Crossref Crossref: 1 Scopus Scopus: 1

A giant self-Kerr nonlinearity using phase-sensitive excitation in a closed three-level atomic system

Journal Article
Physica Scripta. Year: 2022. Volume: 97 , Issue: 8 , Pages: 085103 .
Authors: Ayyappan J; Beena T
DOI 10.1088/1402-4896/ac80db Crossref Crossref: 5 Scopus Scopus: 6

Demonstration of a high-contrast optical switching in an atomic Delta system

Journal Article
Journal of Physics B: Atomic, Molecular and Optical Physics. Year: 2017. Volume: 50 , Issue: 16 , Pages: 165502 .
Authors: Megha Ghosh; Asha Karigowda; Ayyappan Jayaraman; Fabien Bretenaker; Barry C Sanders; Andal Narayanan
DOI 10.1088/1361-6455/aa8014 Crossref Crossref: 12 Scopus Scopus: 13