Educational Background:
Ph.D., IACS, Jadavpur University (1999).
M. Sc. (Physics) University of Calcutta (1992).
Professional Background:
Postdoc, Technion, Israel, 1999-2000.
Postdoc, Univ. Exeter, UK, 2001-04.
Postdoc, Univ. Leeds, UK, 2004-05.
Postdoc, Univ. California, Santa Cruz, USA, 2005-06.
Asst. Prof., Univ. South Carolina, USA, 2006.
Asst. Prof., IIT Delhi, India, 2006-09.
Visiting Scientist: RIKEN-ASI, Japan, 2008.
Associate Prof., S. N. Bose National Centre for Basic Sciences, India, 2009.
Important awards and fellowships
UKIERI Research Award, 2008.
JSPS Fellowship, 2003
Chartered Physicist, IOP, London, 2002.
Main area of work
Nanomagnetism and spintronics (funded by DST-UKIERI).
Ultrafast magnetization and spin dynamics (funded by DST).
Time-resolved microscopy and spectroscopy.
Magnonic crystals (funded by DST-European Commission).
Ultrafast coherent control by optical pulse shaping.
Micromagnetic simulations (funded by DST-European Commission).
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Significant recent publications:
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B. Rana, D. Kumar, S. Barman, S. Pal, Y. Fukuma, Y. Otani and A. Barman, “Detection of picosecond magnetization dynamics of 50 nm magnetic dots down to the single dot regime", ACS Nano, DOI: 10.1021/nn202791g (2011).
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S. Pal, B. Rana, O. Hellwig, T. Thompson, and A. Barman, “Tunable magnonic frequency and damping in [Co/Pd]8 multilayers with variable Co layer thickness.” Appl. Phys. Lett. 98, 082501 (2011).
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S. Sugimoto, Y. Fukuma, S. Kasai, T. Kimura, A. Barman and Y. Otani, ” Dynamics of coupled vortices in a pair of ferromagnetic disks.”, Phys. Rev. Lett. 106, 197203 (2011).
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B. Rana, S. Pal, S. Barman, Y. Fukuma, Y. Otani and A. Barman, “All-optical excitation and detection of picosecond dynamics of ordered arrays of nanomagnets with varying areal density”, APEX 4, 113003 (2011).
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M. Agrawal, B. Rana and A. Barman, “Magnetization reversal in chains and clusters of exchange coupled Ni nanoparticles.”, J. Phys. Chem. C 114, 11115 (2010)
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A. Barman and S. Barman, "Dynamic dephasing of magnetization precession in arrays of thin magnetic nanoelements", Phys. Rev. B 79, 144415 (2009).
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A. Barman, T. Kimura, Y. Otani, Y. Fukuma, K. Akahane and S. Meguro, "Benchtop time-resolved magneto-optical Kerr magnetometer", Rev. Sci. Instr. 79, 123905 (2008).
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A. Barman, S. Wang, J. Maas, A. R. Hawkins, S. Kwon, A. Liddle, J. Bokor, and H. Schmidt, "Size dependent damping in picosecond dynamics of single nanomagnets", Appl. Phys. Lett. 90, 202504 (2007).
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S. Wang, A. Barman, H. Schmidt, J. Maas, A. R. Hawkins, and S. Kwon, "Optimization of nano-magneto-optic sensitivity using dual layer enhancement", Appl. Phys. Lett. 90, 252504 (2007).
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A. Barman, S. Wang, J. Maas, A. R. Hawkins, S. Kwon, A. Liddle, J. Bokor, and H. Schmidt, "Magneto-optical observation of picosecond dynamics of single nanomagnets" Nano Lett. 6, 2939 (2006).
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A. Barman, N. T. Form, and B. J. Whitaker, "Phase manipulation of continuum generation and stimulated Raman scattering in ethanol" Chem. Phys. Lett. 427, 317 (2006).
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V. V. Kruglyak, A. Barman, R. J. Hicken, J. R. Childress and J. A. Katine, "Picosecond magnetization dynamics in nanomagnets: crossover to nonuniform precession", Phys. Rev. B: Rapid Commun. 71, 220409R (2005).
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