Research Interests
1. Odd-parity J=11/2 autoionizing Rydberg series of europium below the 5d 9D4 threshold: Spectroscopy and multichannel quantum defect theory analysis
S. Bhattacharyya, M.A.N. Razvi, S. Cohen and S.G. Nakhate
Physical Review A 76, 012502 (2007)
2. Phase-shifted multichannel quantum defect theory analysis of the
observed 5dnd J = 11/2 autoionization Rydberg series of europium atom
S. Bhattacharyya, M. A. N. Razvi, S. Cohen and S. G. Nakhate
European Conference on Atoms Molecules and Photons
May 6-11, 2007 Crete, Greece.
3. Multichannel quantum-defect-theory analysis of the observed odd-parity
5dnd autoionization Rydberg series of neutral europium
S. Bhattacharyya, S.G. Nakhate, T. Jayasekharan and M.A.N. Razvi
Physical Review A 73, 062506 (2006)
4. Theoretical optimization by genetic algorithm of delayed
extraction parameters for a matrix-assisted laser desorption/ionization time- of-flight mass spectrometer
S. Tauro and M. A. N. Razvi
Rapid Commn. Mass. Spec. 19, 3457-3462 (2005)
5. Investigations of new odd-parity autoionization Rydberg levels
of neutral europium
S. Bhattacharyya, R. D’Souza, Pushpa M. Rao and M.A.N. Razvi
Spectrochimica Acta B 58, 469-478 (2003)
6. Even-parity bound and autoionizing Rydberg series of the samarium atom
T. Jayasekharan, M.A.N. Razvi and G.L. Bhale
J. Phys. B: At. Mol. Opt. Physics 33, 3123-3136 (2000)
7. New odd-parity energy levels of europium atom in 43200-45000 cm-1
Region by laser photoionization spectroscopy
S.G. Nakhate, M.A.N. Razvi and S.A. Ahmad
J. Phys. B: At. Mol. Opt. Physics 33, 191-199 (2000)
8. Investigation of new high-lying even-parity energy levels
of samarium atom below its first ionization limit
T. Jayasekharan, M.A.N. Razvi and G.L. Bhale
J. Opt. Soc. Am. B 17, 1607-1615 (2000)
9. Investigation of Rydberg states of the europium atom
using resonance ionization spectroscopy
S.G. Nakhate, M.A.N. Razvi, J.P. Connerade and S.A. Ahmad
J. Phys. B: At. Mol. Opt. Physics 33, 5191-5202 (2000)
10. Fractional frequency collective parametric resonances
of an ion cloud in a Paul Trap
M.A.N. Razvi, X.Z. Chu, R. Alheit, G. Werth and R. Blumel
Physical Review A 58, R34 (1998)
11. Imperfections of a Paul Trap: Influence on the ion motion and
Spectroscopic applications
M.A.N. Razvi and G. Werth
Physics News, January 1999.
12. Observation of new even-parity states of Sm I by
Resonance ionization mass spectrometry
T. Jayasekharan, M.A.N. Razvi and G.L. Bhale
J. Opt. Soc. Am. B 13, 641-648 (1996)
13. New odd-parity high lying energy levels of europium atom by
Resonance ionization spectroscopy
S.G. Nakhate, M.A.N. Razvi, G.L. Bhale and S.A. Ahmad
J. Phys. B: At. Mol. Opt. Physics 29, 1439-1450 (1996)
14. Concentration quenching of fluorescence from 1D2 state
Of Pr3+ in YPO4
R.C. Naik, N.P. Karanjikar and M.A.N. Razvi
Journal of Luminescence 54, 139-144 (1992)
15. Evaluation of the wavelengths of pulsed laser induced fluorescence
Spectrum by simultaneous recording of standard emission lines
S.G. Nakhate, M.A.N. Razvi and S.A. Ahmad
Indian J. Phys. 66B, 437-440 (1992)
16. Multiphoton ionization of barium with tunable pulsed laser in the
Range 570-608 nm
S.G. Nakhate, S.A. Ahmad, M.A.N. Razvi and G.D. Saksena
J. Phys. B: At. Mol. Opt. Physics 24, 4973-4985 (1991)
17. Sub-picogram detection of sodium by one-step Laser Enhanced
Ionization (LEI) spectroscopy using two-photon transition
L.C. Chandola, P.P. Khanna and M.A.N. Razvi
Analytical Lett. 24, 1685-1693 (1991)
18. Multiphoton Resonance Ionization in atomic potassium:
Stark mixing of Rydberg states
M.A.N. Razvi, A. Sharma and G.L. Bhale
Physics Teacher 32, 33-36 (1990)
19. Three photon resonant ionization in atomic potassium
Via S, P, D and F series Rydberg states
A. Sharma, G.L. Bhale and M.A.N. Razvi
Pramana – J. of Phys. 35, 95-104 (1990)
20. On the non-Boltzmann A-X emission in Na2 following
Laser excitation of B1Pu state
A. Sharma, G.L. Bhale, M.A.N. Razvi and M.N. Dixit
Pramana – J. of Phys. 30, 309-317 (1988)
21. Laser induced photodissociation of NaRb molecules
A.Sharma, G.L. Bhale, M.A.N. Razvi and M.N. Dixit
Optics Commn. 61, 21 (1987)
22. Development and performance testing of Matrix Assisted Laser Desorption/ Ionization Time-of-Flight Mass Spectrometer
M.A.N. Razvi, T. Jayasekharan, S. Tauro, H.S. Mishra and S.K. Mahajan
Proc. Of ISMAS 2002, 256 (2000),
Inst. Of Phys. Bhubhaneshwar, Feb 25-Mar 1, 2002.
23. New odd-parity autoionizing Rydberg series of the neutral europium atom
Using Resonance Ionization Spectroscopy
S. Bhattacharyya, S.G. Nakhate, M.A.N. Razvi, Pushpa M. Rao, R.D’Souza and S.A. Ahmad
Proc. Of National Laser Symposium, NLS2000, LASTEC,
New Delhi, Dec. 13-15, 2000
24. Bound and autoionizing states of Eu atom
S.G. Nakhate, M.A.N. Razvi and S.A. Ahmad
Proc. Of Symposium on Lanthanides and Actinides
SLA99, 104, Nov. 16-19 (1999)
25. Investigation of high-lying even-parity energy levels of Sm atom
Below its first ionization limit
T. Jayasekharan, M.A.N. Razvi and G.L. Bhale
Proc. Of Symposium on Lanthanides and Actinides
SLA99, 115, Nov. 16-19 (1999)
26. Determination of first ionization potential of Sm atom
T. Jayasekharan, M.A.N. Razvi and G.L. Bhale
Proc. Of Symposium on Lanthanides and Actinides
SLA99, 117, Nov. 16-19 (1999)
27. Interface of RIMS spectrometer and software development
T. Jayasekharan, M.A.N. Razvi, G.L. Bhale, Hari Kumar and K.D. Singh
Proc. Of Symposium on Lanthanides and Actinides
SLA99, 226, Nov. 16-19 (1999)
28. Parametriche Kollective Resonanz bei gebroheinen frequenzen
In einer Paul fale
X.Z. Chu, R. Blumel, R.W. Alheit, M.A.N. Razvi, B. Schafer and G. Werth
Proc. Of German Physical Society meeting,
Konstanz, Germany, Nov. 16-19, 1998
29. Der Einfluss nicht linear feldanteile einer Paul falle auf die
Simultane speicherung
M.A.N. Razvi, P. Pasche, R.W. Alheit, B. Schafer and G. Werth
Proc. Of German Physical Society meeting,
Konstanz, Germany, Nov. 16-19, 1998
30. New even-parity states of Sm in the region 520-570 nm
T. Jayasekharan, M.A.N. Razvi and G.L. Bhale
Proc. Of XI National Conference on Atomic and Mol. Phys.
Dec. 17-20, IIT Madras, 1996
31. Atomic Isotope shift measurements by RIMS
Pushpa M. Rao, M.A.N. Razvi, G.L. Bhale and S.A. Ahmad
Proc. Of INCONS, 38, 1996
32. Study of emission spectra produced by excimer ablation of CuO
D. Bhattacharya, U.S. Salgaonkar, M.A.N. Razvi and G.L. Bhale
Proc. Of INCONS, 149, 1996
33. Laser Photoionization spectroscopy of neutral samarium
T. Jayasekharan, M.A.N. Razvi and G.L. Bhale
Proc. Of INCONS, 150, 1996
34. Two-colour laser photoionization of atoms with a two-photon
Absorption step and the role of virtual states
S.G. Nakhate, M.A.N. Razvi and S.A. Ahmad
Proc. Of INCONS, 151, 1996
35. New odd-parity high-lying energy levels of Eu by RIS
S.G. Nakhate, M.A.N. Razvi, G.L. Bhale and S.A. Ahmad
National Laser Symposium, BARC, Bombay, Jan. 1996
36. Multiphoton ionization studies in Eu
S.G. Nakhate, M.A.N. Razvi, G.L. Bhale and S.A. Ahmad
Proc. Of NLS, IRDE, Dehradun, Feb. 1995
37. Spectroscopic investigations of laser produced plasmas by
excimer laser ablation of some metallic samples
U.S. Salgaonkar, D. Bhattacharya, M.A.N. Razvi and G.L. Bhale
Proc. Of NLS, IRDE, Dehradun, Feb. 1995
38. Study of new high-lying states of Sm I by RIMS
T. Jayasekharan, M.A.N. Razvi and G.L. Bhale
Proc. Of NLS, IRDE, Dehradun, Feb. 1995
39. Measuring sodium vapour pressure at ultra-low level using RIMS
M.A.N. Razvi, T. Jayasekharan, U.S. Salgaonkar and G.L. Bhale,
National Laser Symposium, CAT, Indore, 1994,
40. Two-colour laser photoionization studies in sodium using RIMS
M.A.N. Razvi, T. Jayasekharan, U.S. Salgaonkar and G.L. Bhale,
Proc. Of VI National Symposium on Mass Spectrometry, IIP, Dehradun, 1993
41. Indigenously built Resonance Ionization Mass Spectrometer:
Some analytical applications
M.A.N. Razvi, G.L. Bhale, S.S. Biswas, T. Jayasekharan, and V.B. Kartha
National Laser symposium, IIT Madras, Feb 17-19, 1993
42. Setting up and performance testing of
Resonance Ionization Mass Spectrometer
M.A.N. Razvi, T. Jayasekharan, A. Sharma, G.L. Bhale, M.N. Dixit and V.B.Kartha
IX National Conference on At. Mol. Phys. Dec 14-18, BARC, Bombay 1992
43. Fluorescence studies in multiphoton ionization of barium atoms
S.G. Nakhate, M.A.N. Razvi, S.A. Ahmad and G.D. Saksena
Proc. Of International workshop on lasers and applications,
CAT, Indore, 1990.
44. Temperature measurement of laser ablated plasmas
M.A.N. Razvi, A. Sharma, G.L. Bhale and V.B.Kartha
VIII National Workshop on At. Mol. Phys. UOH, Hyderabad Dec. 1990
45. MPI of barium with tunable pulsed lasers
S.G. Nakhate, M.A.N. Razvi, S.A. Ahmad and G.D. Saksena
VIII National Workshop on At. Mol. Phys. UOH, Hyderabad Dec. 1990
46. Measurement of decay times of 1D2 level of Pr3+ in YPO4
And the studies of luminescence concentration quenching
N.P, Karanjikar, M.A.N. Razvi and R.C. Naik
2nd Indo-USSR symposium on rare-earth materials research
Trivandrum, Nov. 1990
47. Collision induced A-X emission in Na2following laser excitation of
B 1Pu state
M.A.N. Razvi, A. Sharma, G.L. Bhale and M.N. Dixit
National Workshop on Laser Spectroscopy and Laser Applications
BHU Varanasi, 1988
48. Laser induced photodissociation and excitation energy transfer studies
In alkali molecules.
G.L. Bhale, M.N. Dixit, M.A.N. Razvi and A. Sharma
First National Symposium on Lasers and Applications,
IIT Kanpur, Dec. 2-5, 1987
49. Laser level monitor for process control.
M.N. Dixit, M.J. Sule, M.A.N. Razvi and S.L.N.G. Krishnamachari
Seminar on lasers and applications, VJTI Bombay, Dec. 16-17, 1987
50. Laser induced fluorescence and laser induced photodissociation studies
Of alkali vapours
G.L. Bhale, A. Sharma, M.A.N. Razvi and M.N. Dixit
IV Quantum Electronics Symposium, Cochin Univ. Cochin, Dec/Jan 1987
51. Laser induced photodissociation of NaRb and NaCs molecules
M.A.N. Razvi, A. Sharma, G.L. Bhale and M.N. Dixit
VI National Workshop on At. Mol. Phys. BHU Varabasum Dec, 1986