Education
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Ph.D
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Physics, Materials Science
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2007
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Nehru Memorial College (Autonomous)
Puthanampatti.
Bharathidasan University, Tiruchirappalli
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M.Phil
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Physics
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2004
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Nehru Memorial College (Autonomous)
Puthanampatti.
Bharathidasan University, Tiruchirappalli
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M.Sc
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Applied Physics/ Instrumentation
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2002
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Nehru Memorial College (Autonomous)
Puthanampatti.
Bharathidasan University, Tiruchirappalli
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B.Sc
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Physics
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2000
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Nehru Memorial College (Autonomous)
Puthanampatti.
Bharathidasan University, Tiruchirappalli
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Ø Nonlinear optical materials
Ø Vibrational spectroscopy
Ø Single crystal growth of Rare earth intermetallics - Flux technique
Ø Magnetism and superconductivity
Fellowships awarded
Ø Worked as a Junior Research Fellow in the Defence Research Development Organization (DRDO) sponsored project, at Nehru Memorial College (Autonomous), Puthanampatti , Tiruchirapaplli from 2003 – 2006.
Ø Awarded Jawaharlal Nehru Memorial fellowship for Doctoral studies to carry out experimental work at Department of Electrical, Electronic and Information Engineering, Sasaki Labortaory , Osaka University, Osaka, Japan in 2006
Ø Awarded Visiting Fellowship for the year 2006-2007 to Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore, India. (Not availed)
Ø Awarded Council of Scientific and Industrial Research (CSIR) Senior Research Fellowship from April 2007 to work in the Light scattering division, Materials Science Department, IGCAR, Kalpakkam and also in Periyar University Salem.
Ø Awarded Post doctoral Research Associate in Indian Institute of Science, Bangalore in the Department of Inorganic and Physical Chemistry (Availed from 1st July to 31st July, 2007)
Ø Awarded Post doctoral Visiting Fellow in Tata Institute of Fundamental Research, Mumbai, from August 2007 to December 2008 in Department of Condensed Matter Physics and Materials Science.
Awards:
Ø Secured University First Rank (Gold Medalist) in M.Sc Applied Physics,
Ø University 8th Rank in B.Sc (Physics) - Bharathidasan University
Details of Publications : International Journals
1. Polarised infrared and Raman studies of YCa4O (BO3) - a non-linear optical single crystal, V.Krishnakumar and R.Nagalakshmi, Spectrochim Acta A. 60 (2004) 2733-2739
2. Crystal growth and vibrational spectroscopic studies of the semi organic non-linear optical crystal-bisthiourea zinc chloride, V.Krishnakumar and R.Nagalakshmi, Spectrochim Acta A. 61 (2005) 499-507.
3. Growth and spectroscopic characterization of a new organic non linear optical crystal - 8-hydroxyquinoline, V. Krishnakumar , and R.Nagalakshmi, Spectrochim Acta A. 61 (2005)1097-1103.
4. Growth and vibrational spectroscopic studies of yttrium doped single crystals of trisodium barium pentachloride dihydrate, V.Krishnakumar , and R.Nagalakshmi, Spectrochim Acta A. 61(2005) 2724-2729
5. Polarised Raman and infrared spectral analysis of L-alanine oxalate (C5H9NO6) - a non-linear optical single crystal, V. Krishnakumar and R.Nagalakshmi, Spectrochim Acta A 64 (2006) 736-743.
6. Vibrational spectroscopic studies of an organic non-linear optical crystal 8-hydroxyquinolinium picrate, V. Krishnakumar and R.Nagalakshmi, Spectrochim Acta A. 66 (2006) 924-934.
7. Crystal growth and characterization of K[CS(NH2)2]4Br - a semiorganic non-linear optical crystal, V.Krishnakumar and R.Nagalakshmi, Spectrochim Acta A 68 (2006) 443-453
8. Study of the damage produced in K [CS (NH2) 2] 4 Br non-linear optical single crystal by swift heavy ion irradiation, , V. Krishnakumar , D.K.Avasthi, Fouran Singh, P.K.Kulriya and R. Nagalakshmi , Nuclear Inst. and Methods in Physics Research, B 256 (2007) 675-682
9. Crystal growth and characterization of N- Hydroxyphthalimide (C8H5NO3) crystal, V.Krishnakumar, R. Nagalakshmi, and S.Manohar, Spectrochim Acta A, 71(2008)110-115.
10. Investigations on the physicochemical properties of the nonlinear optical crystal for blue green laser generation, V.Krishnakumar, R. Nagalakshmi, and S.Sivakumar , Spectrochim Acta A, 71(2008)119-124.
11. Studies on the first order hyperpolarizability and terahertz generation in 3-nitroaniline, V.Krishnakumar and R.Nagalakshmi Physica B: Physics of Condensed Matter, 403 (2008) 1863-1869.
12. Field-induced non-linear optical features of p-aminoazobenzene crystals, V.Krishnakumar, G. Eazhilarasi, R. Nagalakshmi, M. Piasecki, I.V. Kityk and P. Bragiel European Physical Journal Applied Physics, 42 (2008) 263-267.
13. Probes on l-lysine monohydrochloride dihydrate: A semiorganic nonlinear optical crystal, V.Krishnakumar R.Nagalakshmi, and S.Manohar, Spectrochimica Acta, A DOI: 10.1016/j.saa.2007.11.035
14. Studies on crystal growth, vibrational and optical properties of organic nonlinear optical crystal: p-Aminoazobenzene , G. Eazhilarasi, R. Nagalakshmi and V. Krishnakumar, Spectrochimica Acta, A DOI: 10.1016/j.saa.2007.12.049
15. Effect of doping an organic molecule ligand on TGS single crystals , V.Krishnakumar, R.Nagalakshmi, and S.Sivakumar, Spectrochimica Acta, A, DOI: 10.1016/j.saa.2007.11.039
16. Terahertz generation in 3-Nitroaniline Single Crystals, V.Krishnakumar and R.Nagalakshmi Crystal Growth and Design, 2008, 8 (11), pp 3882–3884
17. Anisotropic magnetization studies of R2CoGa8 single crystals (R=Gd, Tb, Dy, Ho, Er, Tm, Y, and Lu), Devang A. Joshi, R. Nagalakshmi, S. K. Dhar, and A. Thamizhavel, Physical Review B, 77, 174420 (2008)
18. Anisotropic magnetic and superconducting properties of CaFe2-xCoxAs2(x=0,0.06) single crystals by Neeraj Kumar, R. Nagalakshmi, R. Kulkarni, P.L. Paulose, A.K.Nigam, S.K.Dhar and A.Thamizhavel , Accepted in Physical Review B
Papers presented in conferences /seminars
1. Presented a paper in Regional Conference on Photo Acoustics, Condensed Matter Physics and NDT (2004) in School of Physics, Madurai Kamaraj University, Madurai, India, March 8-10, 2004.
2. Presented a paper in the 49th DAE Solid State Physics Symposium sponsored by Board of Research in Nuclear Sciences, Department of Atomic Energy, Government of India at Guru Nanak Dev University, Amritsar, India December 26-30, 2004.
3. Presented a paper in fourth DAE- BRNS National Laser Symposium (NLS-4) at Babha Atomic Research Centre, Mumbai, India, January 10 - 12, 2005.
4. Presented a paper in the International Conference on Spectrophysics (INCONS 2005) at Pachaiyappa’s College, Chennai, February 9 - 12, 2005.
5. Presented a paper in the National conference on crystal growth techniques and modelling at Anna University, Chennai, February 28-March 01, 2005.
6. Participated in the National Symposium on Chemical Structures and Dynamics at Indian Institute Technology Madras, Chennai, April 22, 2005.
7. Presented a paper in the National conference on recent advances in Materials Science, Periyar University, Salem, February 16 -17, 2006.
8. Paper presented in the conference on PTLUPA-6 at Indian Institute of Technology Madras, Chennai, December 21-22, 2006.
9. Paper presented in the National conference on Recent Advances in Vibrational Spectroscopy (NCVS 2007), Periyar University, Salem, January 29-30, 2007.
10. Presented a paper in the Second National Conference on Nonlinear Optics and Modelling in Crystal Growth, Anna University, Chennai, March 26- 27, 2007.
11. Paper accepted for presentation in the proposed Solid State physics Symposium sponsored by Department of Atomic Energy , Government of India at University of Mysore, Mysore, India December 27-31, 2007.
12. Poster presented in International Conference on, Strongly Correlated Electron Systems (SCES-2008), held in Brazil Aug 17th -24, 2008.
Workshops attended
1. Participated in the Indo Japan Workshop on crystal growth and applications of advanced materials for Opto electronics, Crystal Growth Centre Anna University, Chennai, India, December 7-10, 2004.
2. Participated in Accelerator User Workshop, Inter University Accelerator Centre (IUAC), New Delhi, July 6-7, 2005.
3. Participated in the workshop on optics and Photonics-WOOP 2005, National Institute of Technology, August 18-19,2005
4. Participated in the workshop on Recent advances in Physical science Research, Periyar University, Salem, August 30-31, 2005.
5. Alloted Beam time for irradiation of swift heavy ions at Inter University Accelerator Center (IUAC), New Delhi during the year 2005.
6. Attended the Workshop on `Correlated Electrons and Frustrated Magnetism' (CEFM 07), held at the International Centre, Dona Paula, Goa, between November 25 and December 5, 2007.
