Publications from the Department of Physics

Publications in Peer Reviewed Journals – 2010-2015
2015
Vibrational Spectral Analysis, Electronic absorption and Non-linear Optical Behavior of (E)-1-(2,4,6-Trimethoxyphenyl)pent-1-en-3-one
D. Sajan; Alen S; Job Sabu K; Tom Sundius; Chaitanya K; Frank  Blockhuys; Bena Jothy V DIO VIBSPEC-D-14-00172(Article in Press, 2015)
Electronic structure, vibrational spectral and intervening orbital interactions studies of NLO material: Guanidinium 4-nitrobenzoate

V. Sasikala, D. Sajan, K. Job Sabu, T. Arumanayagam, P. Murugakoothan

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Volume 139, 15 March 2015, Pages 555-572
Twisted intramolecular charge transfer and its contribution to the NLO activity of Diglycine Picrate: A vibrational spectroscopic study

S. Alen, D. Sajan, T. Umadevi, Ivan Němec, M.S. Baburaj, V. Bena Jothy, B.H. Selin Joy

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Volume 135, 25 January 2015, Pages 720-731
2014
Growth, molecular structure, NBO analysis and vibrational spectral analysis of l-tartaric acid single crystal

V. Sasikala, D. Sajan, N. Vijayan, K. Chaitanya, M.S. Babu Raj, B.H. Selin Joy

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Volume 123, 5 April 2014, Pages 127-141
Synthesis, crystal growth, thermal, electronic and vibrational spectral studies of 1-(4-Bromophenyl)-3-(3,4-dimethoxy-phenyl)prop-2-en-1-one: A density functional theory study

Lynnette  Joseph, B.S. Arunsasi, D. Sajan, V. Shettigar

Journal of Molecular Structure, Volume 1076, 5 November 2014, Pages 687-697
Molecular conformational analysis, vibrational spectra and normal coordinate analysis of trans-1,2-bis(3,5-dimethoxy phenyl)-ethene based on density functional theory calculations.

Lynnette Joseph, D. Sajan, K. Chaitanya, Jayakumary Isac, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy Volume 122, 25 March 2014, Pages 375–386

 
Molecular structure, NBO analysis, electronic absorption and vibrational spectral analysis of 2-Hydroxy-4-Methoxybenzophenone: Reassignment of fundamental modes
Lynnette Joseph, D. Sajan, K. Chaitanya, T. Suthan, N.P. Rajesh, Jayakumary Isac Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Volume 120, 24 February 2014, Pages 216-227
V. Sasikala, D. Sajan, N. Vijayan, K. Chaitanya, M.S. Babu Raj, B.H. Selin Joy

"Growth, molecular structure, NBO analysis and vibrational spectral analysis of l-tartaric       acid single crystal" Spectrochim Acta.Part A., 123, 127-141 (2014)
2013

  
Three-photon absorption and vibrational spectroscopic study of 2-methylamino-5-chlorobenzophenone

D.Sajan, K. Chaitanya, K. Safakath, Reji Philip, T. Suthan, N.P. Rajesh

Spectrochim Acta.Part A .106 (2013) 253-261.
Growth, electronic absorption and vibrational spectral analysis of semiorganic nonlinear optical material potassium acid phthalate: A scaled quantum mechanical force field study 

S. Alen, D. Sajan, N. Vijayan, K. Chaitanya, Ivan Němec, V. Bena Jothy

Journal of Molecular Structure, 1040 ( 2013) 155-163.
Ultrafast optical nonlinearity, electronic absorption, vibrational spectra and solvent effect studies of ninhydrin

D. Sajan, T. Uma Devi, K. Safakath, Reji Philip, Ivan Němec, M. Karabacak

Spectrochim Acta.Part A .109 (2013) 331-343.
Multi-photon absorption effect and intra-molecular charge transfer of donor-π-acceptor chromophore ethyl p-amino benzoate

D. Sajan, N. Vijayan, K. Safakath, Reji Philip, M. Karabacak

Spectrochim Acta.Part A .108 (2013) 197-210.
Structural conformations and density functional study on the intramolecular charge transfer based on vibrational spectra of 2,4-dihydroxy-N′-(4-methoxybenzylidene)benzohydrazide

D.M. Suresh, D. Sajan, Yun-Peng Diao, Ivan Němec, I. Hubert Joe, V. Bena Jothy

Spectrochim Acta.Part A .110 (2013) 157-168.
Crystal growth, spectral, optical and thermal properties of semiorganic nonlinear optical material: Picolinic acid hydrochloride

S. Gowri, T. Uma Devi, D. Sajan, C. Surendra Dilip, A. Chandramohan, N. Lawrence

Spectrochim Acta.Part A .110 (2013) 28-35.
Density functional theory study, FT-IR and FT-Raman spectra and SQM force field calculation for vibrational analysis of 1, 3-Bis (hydroxymethyl) benzimidazolin-2-one
Lynnette Joseph, D. Sajan, K. Chaitanya, H.C. Devarajegowda, Jayakumary Isac Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Volume 114, October 2013, Pages 432-440
Synthesis, crystal growth, thermal studies and scaled quantum chemical studies of structural and vibrational spectra of the highly efficient organic NLO crystal: 1-(4-Aminophenyl)-3-(3,4-dimethoxyphenyl)-prop-2-en-1-one

Lynnette Joseph,D. Sajan,,  Venkataraya Shettigar, K. Chaitanya, Neeraj Misra, Tom Sundius, I. Němec

Materials Chemistry and Physics, Volume 141, Issue 1, 15 August 2013, Pages 248–262

 
S. Alen, D. Sajan, K. Job Sabu, K. Udaya Lakshmi, V. Veeraiah, K. Chaitanya,V. Bena Jothy "Studies on crystal growth, vibrational, dielectric,electronic, mechanical and           thermal properties of new organic nonlinear optical crystal: 3-nitrocinnamic acid"    CrystEngComm, 15, 2013, 9176-9188 (2013)
2012

  
Vibrational spectra, structural conformations, scaled quantum chemical calculations and NBO analysis of 3-acetyl-7-methoxycoumarin

 Lynnette Joseph, D. Sajan, R. Reshmy, B.S. Arun Sasi, Y. Erdogdu, K. Kurien Thomas

Spectrochim Acta.Part A .99 (2012) 234-247.

Spectral, thermal and optical properties of adenosinium picrate: A nonlinear optical single crystal

S. Gowri, T. Uma Devi, D. Sajan, S.R. Bheeter, N. Lawrence

Spectrochim Acta.Part A .89 (2012) 119-122.

Vibrational spectral investigation and Natural Bond Orbital analysis of anti-rheumatoid drug Ethyl 4-nitrophenylacetate – DFT approach

D.M. Suresh, M. Amalanathan, S. Sebastian, D. Sajan, I. Hubert Joe, V. Bena Jothy

Spectrochim Acta.Part A .98 (2012) 413-422.
Synthesis, growth, spectral and thermal properties of a new organic crystal: 2-Carboxypyridin-1-ium trichloroacetate

S. Gowri, K. Anitha, A. Suresh, T. Uma Devi, S. Selvanayagam, D. Sajan, A. Chandramohan, N. Lawrence

Spectrochim Acta.Part A .95 (2012) 73-79.
A rapid and versatile method for solvothermal synthesis of Sb2O3 nanocrystals under mild conditions

K. Kaviyarasu, D. Sajan, Prem Anand Devarajan

Appl Nanosci DOI 10.1007/s13204-012-0156-y(2012)

 
A facile hydrothermal route to synthesize novel PbI2 nanorods

K. Kaviyarasu, D. Sajan, M.S. Selvakumar, S. Augustine Thomas, D. Prem Anand

Journal of Physics and Chemistry of Solids, 73, (2012)1396-1400
Synthesis, growth and vibrational spectroscopic study of a novel coumarinoylthiazole

R. Reshmy, D. Sajan, K. Kurien Thomas, A. Sulekha, K.N. Rajasekharan, S. Selvanayagam, Ö. Alver

Spectrochim Acta.Part A .97 (2012) 1125-1132.
Vibrational (FT-IR and FT-Raman) spectral investigations of 7-aminoflavone with density functional theoretical simulations

Y. Erdogdu, Ö. Dereli, D. Sajan, L. Joseph, O. Unsalan & M. T. Gulluoglu

Molecular Simulation 38 (2012) 315-325.
Synthesis, growth and characterization of 2-carboxypyridinium hydrogen (2R,3R)-tartrate monohydrate: A new organic nonlinear optical crystal

 S. Gowri, T. Uma Devi, D. Sajan, A. Chandramohan, N. Lawrence

Optik - International Journal for Light and Electron Optics, (2012)
2011

  
Intramolecular charge transfer and Z-scan studies of a semi organic nonlinear optical material sodium acid phthalate hemihydrate: A vibrational spectroscopic study

D. Sajan, N.Vijayan, K.Safakath, R.Philip, I.Hubert.Joe

Journal of Physical Chemistry A 115 (2011) 8216-8226.
Natural bond orbital analysis, electronic structure, non-linear properties and vibrational spectral analysis of l-histidinium bromide monohydrate: A density functional theory

D. Sajan, Lynnette Joseph, N. Vijayan, M. Karabacak

Spectrochim Acta.Part A .81 (2011) 85-98.
Electronic absorption, vibrational spectra and nonlinear optical properties of N-(2 chlorophenyl)-1-propanamide  

D. Sajan, N. Vijayan,

Solid State Sciences 13 (2011) 175-184.
Intramolecular charge delocalization and nonlinear optical properties of push–pull chromophore 1-(4-N,N-dimethylaminopyridinium) acetic acid bromide monohydrate from vibrational spectra

D. Sajan, K. Udaya Lakshmi, I. Hubert Joe

Spectrochimica Acta Part A 78 (2011) 264–272.
Molecular structure and vibrational spectra of 2,6-bis(benzylidene)cyclohexanone: A density functional theoretical study

D. Sajan, K. Udaya Lakshmi, Y. Erdogdu, I. Hubert Joe

Spectrochimica Acta    Part A 78 (2011) 113–123.
Surface-enhanced Raman scattering and DFT theoretical studies on the adsorption behavior of plumbagin on silver nanoparticles

Sajan, D., Kuruvilla, T., Laladhas, K.P.,Joe, I.H.

Indian Journal of Physics 85 (2011) 477-484
Growth and characterization of organic material 2-hydroxypyridine single crystal by modified vertical Bridgman technique

T.Suthan, N.P. Rajesh, C.K.Mahadevan,  D. Sajan, G. Bhagavannarayana

Materials Chemistry and Physics130 (2011)  915-920
Spectral, thermal and optical properties of l-tryptophanium picrate: A nonlinear optical single crystal

S.Gowri, T. Uma Devi, D. Sajan, S.R.Bheeter, N. Lawrence

Spectrochimica Acta    Part A 81 (2011) 257-260.

 
DFT-based molecular modeling, NBO analysis and vibrational spectroscopic study of 3-(bromoacetyl)coumarin

D.Sajan, Y.Erdogdu, R. Reshmy,  Ö. Dereli, K.Kurien Thomas, Hubert Joe

Spectrochimica Acta    Part A 78 (2011) 113–123.
2010

  
Vibrational contributions to the second-order nonlinear optical properties of π-conjugated structure acetoacetanilide,

C. Ravikumar, I. Hubert Joe, D. Sajan

Chemical Physics, 369, (2010) 1-7.
Vibrational spectra and first-order molecular hyperpolarizabilities of p-hydroxybenzaldehyde dimer 

D. Sajan, Y. Erdogdu, Thomas Kuruvilla, I. Hubert Joe

Journal of Molecular Structure,  983, (2010,)  12-21.
Density functional study on the structural conformations and intramolecular charge transfer from the vibrational spectra of 1-(4-aminophenyl) 3-(3, 4-dimethoxyphenyl)-2-propen-1-one

D.Sajan, Lynnette Joseph, I. Hubert Joe,

AIP Conference Proceedings 1267(2010) 625-626
Intramolecular charge transfer and hydrogen bonding interactions of nonlinear optical material N-benzoyl glycine: Vibrational spectral study

D.Sajan, H.J. Ravindra, Neeraj Misra, I.Hubert Joe

Vibrational Spectroscopy 54 (2010) 72-80
Structural conformations and vibrational spectral study of chloroflavone with density functional theoretical simulations

Y.Erdogdu,  O.Unsalan, D. Sajan, M.T.Gulluoglu

Spectrochimica Acta    Part A 78 (2010) 113–123.
NIR-FT Raman, FT-IR and surface-enhanced Raman scattering and DFT based theoretical studies on the adsorption behaviour of (S)-phenylsuccinic acid on silver nanoparticles

Journal of Chemical Sciences 122 (2010) , pp. 511-519

D.Sajan, V.Bena Jothy, Thomas Kuruvilla, I.Hubert Joe

 

Publications in Seminar/Workshop Proceedings (2010-2015)

  1. Characterization of Organic NLO Material Using Spectroscopic Techniques, Jerin Susan John, D. Sajan, T. Umadevi & K. Chaitanya, Proceedings of 5th International Conference on Perspectives in Vibrational Spectroscopy, July 2014.
  2. “Growth, molecular structure, vibrational and UV-Vis spectral analysis, first order hyperpolarizability and Z-scan studies of NLO crystal:Urea Ninhydrin Monohydrate”, V. Sasikala, D. Sajan, T, Uma Devi, K. Chaitanya, Proceedings of 5th International Conference on Perspectives in Vibrational Spectroscopy (ICOPVS 2014), Trivandrum. 8-12 July 2014.
  3. “A Density Functional Theory Computation on the Structure and Donor-Acceptor Interactions of an NLO active molecule: Guanidinium 4-nitrobenzoate (GPNB)”, V Sasikala and D Sajan, Proceedings of the “National Conference on Materials Science & Technology (MSAT-2015), Bishop Moore College, Mavelikara,  04-06 Feburary2015.
  4. “DFT studies on Molecular Structure and Vibrational Spectra of Guanidinium 4-Aminobenzoate”, Jesby George and D Sajan, Proceedings of the “National Conference on Materials Science & Technology (MSAT-2015), Bishop Moore College, Mavelikara,  04-06 Feburary 2015.
  5. Lynnette Joseph, D. Sajan and I. Hubert Joe, Scaled quantum chemical studies of the structure and vibrational spectra of 2-Hydroxy -4-Methoxybenzophenone, 23rd International Conference on Raman Spectroscopy, Bangalore, India - ICORS 2012, August 12 – 17 (2012)
  6. Sajan, Y. Erdogdu, I. Hubert Joe, DFT-based molecular modeling, NBO analysis and vibrational spectroscopic study of 3-(bromoacetyl)coumarin, Turkish Physical Society 28th International Physics Conference, 6- 9 September, Bodrum-Turkey (2011)
  7. Sajan, Lynnette Joseph, I. Hubert Joe, Density functional study on the structural conformations and intramolecular charge transfer from the vibrational spectra of 1-(4-aminophenyl) 3-(3, 4-dimethoxyphenyl)-2-propen-1-one

XXII International Conference on Raman Spectroscopy (ICORS-2010),

Boston, Massachusetts, USA, 08 – 13 August (2010)

  1. Thomas Kuruvilla and D.Sajan ” Nonlinear Time series analysis of Indian Regional Monthly Surface Air Temperature and Rainfall data during the period 1901 to 

     2000”, Proc.    International Conference on “Impact of Climate Change on Food   Security”Mavelikara (2011)

  1. Thomas Kuruvilla “ Recent advances in Teleportation with Photons” Annual Photonics Workshop,CUSAT, Cochin(2010).
  1. Thomas Kuruvilla and Sherin P John, “Time series analysis of chaotic intensity variations of semiconductor laser with high frequency modulation”

Proc. National conference on recent trends in optoelectronics and Laser Technology(2007)

  1. Thomas Kuruvilla and Sherin P John, ”Anlysis of chaotic Intensity fluctuations in  Nd.YAG laser with intracavity frequency doubling crystal”

Proc. National conference on recent trends in optoelectronics and Laser Technology(2007)

  1. Thomas Kuruvilla and Sherin P John ”Fourier optics Experimental and simulation studies using He-Ne Laser and MatLab”  CUSAT, Cochin(2005)
  2. Thomas Kuruvilla and V.M.Nandakumaran, ”Numerical Study of chaos in Nd:YAG laser”, Proc. National Laser Symposium”, Ahmedabad(1997).
  3. Thomas Kuruvilla and V.M.Nandakumaran, ”Variations of chaotic behaviour with number of modes in a multimode Nd:YAG laser”, National Seminar on Application of nonlinear phenomena, Cochin (1999).
  4. Thomas Kuruvilla and V.M.Nandakumaran,”Numerical study of chaos in a coupled semiconductor laser with modulated drive current”, Proc.National Laser Symposium,Kanpur(1998)
  5. Thomas Kuruvilla and V.M.Nandakumaran,” Chaotic behaviour of a high frequency modulated semiconductor laser with change in modulation amplitude:,National Laser Symposium,Hyderabad(1999).
  6. Thomas Kuruvilla and V.M.Nandakumaran,”Chaos in semiconductor laser with modulated drive current-a numerical study” Seminar on selected topics in theoretical physics,Hyderabad(1998).
  7. Thomas Kuruvilla and V.M.Nandakumaran, ”Elimination of chaos in a multimode Nd:YAG laser with intracavity KTP crystal by coupling”, National seminar on high power lasers and their applications,Cochin(1999).
  8. Thomas Kuruvilla and Vaidyan.V.K, ”Fractal Growth”, Kerala Science Congress, (1992)
  1. Jerin Susan John, D. Sajan, K. Chaitanya, Vibrational spectroscopic studies of non- linear optical material N,N’ dimethyl urea ninhydrin, National Laser Symposium, Manipal University – NLS-22, January 8-11 (2014)
  2. Lynnette Joseph, D. Sajan, I. Hubert Joe and Jayakumari Issac “Intramolecular charge transfer from the vibrational spectra of 1-(4-Aminophenyl)-dimethoxyphenyl)-prop-2-en-1-one” 97th Indian Science Congress,Thiruvananthapuram(2010)
  3. Lynnette Joseph, D. Sajan, I. Hubert Joe and Jayakumari Issac “DFT calculations of Structure and Vibrational Spectra of 1-(4-Aminophenyl)-3-(3,4-dimethoxyphenyl)-prop-2-en-1-one” Women’s Christian College,Nagercoil(2010)
  4. "Conformational stability , Natural Bond Orbital analysis and the spectroscopic analysis of 1- (4-Aminophenyl)-3-(3, 4 –dimethoxyphenyl)-2-propen-1- one : a Density Functional Theoretical approach" UGC sponsored National seminar on Current Trends in Materials Science CTMS- 2011 at Christian College Chengannur from 4th-6th August 2011.
  5. “Vibrational Spectra and DensityFuntional Theoritical Calculations of 1,3-bis(hydroxymethyl)benzimidazolin2-one” National Conference on Recent Trends in Vibrational Spectroscopy at Bishop Moore College, Mavelikara, From 26th -27th August 2011
  6. Jerin Susan John, D. Sajan, T. Umadevi & K. Chaitanya, "Characterization of Organic NLO Material Using Spectroscopic Techniques", Proceedings of 5th International Conference on Perspectives in Vibrational Spectroscopy, July 2014.
  7. Sajan, Y. Erdogdu,  I. Hubert Joe  DFT-based molecular modeling, NBO analysis and vibrational               spectroscopic study of 3-(bromoacetyl)coumarin  Turkish Physical Society 28th International Physics                6- 9 September 2011 at Bodrum-Turkey