Conference/Meeting presentations

Invited Talks

45. Ultrafast nanomagnets and their coherent control: future perspective, A. Barman, Raman Research Institute, Bangalore, Mar. 2007.

46. Ultrafast nanomagnets and their coherent control: future perspective, A. Barman, Indian Association for the Cultivation of Science, Calcutta, Dec. 2006.

47. Ultrafast nanomagnets and their coherent control. A. Barman, School of Physics, University of South Carolina, Columbia, USA, summer seminar 2006.

48. Ultrafast nanomagnets and their coherent control. A. Barman, School of Physics, University of California Santa Cruz, summer 2006.

49. Imaging and coherent control of picosecond magnetization dynamics in magnetic data storage devices. A. Barman, School of Engineering, University of California, Santa Cruz, USA, summer 2005.

50. Imaging and coherent control of picosecond magnetization dynamics in magnetic nanostructures. A. Barman, Roberts Academic Fellowship Lecture, University of Southampton, UK, 6^th June 2005.

51. Imaging ultrafast magnetization dynamics using time-resolved scanning Kerr effect microscopy. A. Barman. ANUMOCP XIV –28^th May 2004 at the University of Nottingham.

52. Imaging Picosecond magnetisation dynamics using time-resolved scanning Kerr effect microscope. A Barman, Semiconductor Group Seminar, School of Physics, University of Exeter, 2003.

53. Magneto-Optical Pump-Probe measurements of ultrafast magnetic processes. A Barman, R. Wilks, V. V. Kruglyak, and R. J. Hicken. Magnetism Network Workshop at Leeds, UK from 17^th-19^th June 2002.

54. Colossal magnetoresistive manganites and cobaltates, A. Barman, Invited seminar, Indian Association for the Cultivation of Science, 1999.

55. Giant Magnetoresistance in La0.8Sr0.2FexCo1-xO3 (0.025 < x < 0.3). A. Barman, M. Ghosh, S. Biswas, S. K. De and S. Chatterjee. Condensed Matter Days at Viswabharati University, India, 1997.

Contributed Talks:

56. Size (aspect ratio) dependent damping of precessional dynamics in individual single domain nanomagnets, A. Barman, S.Wang, J. Maas, A.R. Hawkins, S. Kwon and H. Schmidt, 10th Joint Intermag/MMM Conference, Baltimore, MD, Jan 7-11 (2007).

57. Demonstration of ultra-high MOKE sensitivity for nanomagneto-optics using dual layer nanofabrication process, S.Wang, A. Barman, J. Maas, A.R. Hawkins, S. Kwon and H. Schmidt, 10th Joint Intermag/MMM Conference, Baltimore, MD, Jan 7-11 (2007).

58. Size dependent precessional dynamics in [Co/Pd]8 patterned nanomagnet arrays, A. Barman, S.Wang, O. Hellwig, E. Dobisz, D. Kercher, E. Fullerton and H. Schmidt, 10th Joint Intermag/MMM Conference, Baltimore, MD, Jan 7-11 (2007).

59. Ultrafast magnetization dynamics in high perpendicular anisotropy [Co/Pt]n multilayers, A. Barman, S.Wang, O. Hellwig, A. Berger, E. Fullerton and H. Schmidt, 10th Joint Intermag/MMM Conference, Baltimore, MD, Jan 7-11 (2007).

60. Thickness dependence of ultrafast magnetization dynamics in Nickel films, S.Wang, A. Barman, J. Maas, A.R. Hawkins and H. Schmidt, 10th Joint Intermag/MMM Conference, Baltimore, MD, Jan 7-11 (2007).

61. Femtosecond laser induced magnetization dynamics in Co-Pt multilayers, A. Barman, S. Wang, A. Berger, and H. Schmidt, APS March meeting, Baltimore, MD, USA, March 2006.

62. Femtosecond laser induced magnetization dynamics in single nanomagnets, A. Barman, et al, Intermag 2006, San Diego, CA, USA, May 2006.

63. Precessional dynamics in micro-arrays of nanomagnets. V. V. Kruglyak, A. Barman, R. J. Hicken, J. R. Childress, and J. A. Katine. 49^th Conference on Magnetism and Magnetic Materials (MMM04), Nov. 7-11, 2004, Jacksonville, Florida.

64. Dependence of anisotropy and damping on shape and aspect ratio in micron sized Ni₈₁Fe₁₉ elements. A. Barman, V. V. Kruglyak, R. J. Hicken, J. Scott, A. Kundrotaite, and M. Rahman. 9^th Joint MMM-Intermag Conference, Anaheim, California, January 5-9 2004.

65. Shape dependent anisotropy and damping of picosecond magnetization dynamics in micron sized Ni₈₁Fe₁₉ elements. A. Barman, V. V. Kruglyak, R. J. Hicken, A. Kundrotaite and M. Rahman. International Conference of Magnetism, Rome, 27^th July – 01^st Aug. 2003.

66. Observation of Ultrafast Magnetic Processes by Time Resolved Scanning Kerr Effect Microscopy. A. Barman, V. V. Kruglyak, S. Ladak, R. J. Hicken, A. Kundrotaite and M. Rahman. Advances in Microscopy Meeting, Institute of Physics, London on 13^th December 2002.

67. Picosecond magnetization dynamics of micron sized thin Ni₈₁Fe₁₉ elements observed by time resolved scanning Kerr microscopy. A. Barman, V. V. Kruglyak, R. J. Hicken, A. Kundrotaite and M. Rahman. Second European Workshop on Innovative Mass Storage Technologies at University of Exeter, UK, 2002.

Posters

68. Optical pulse shaping of a non-collinear optical parametric amplifier (NOPA) using an acousto-optic programmable dispersive filter (AOPDF) with dispersion self correction. A. Barman and B. J. Whitaker, The annual conference of the Spectroscopy Dynamics Interest Group of the RSC Faraday Division, University of Leicester, UK, 19-21 Dec, 2004

69. Dependence of spatial coherence in coherent suppression of magnetization dynamics upon aspect ratio in Ni₈₁Fe₁₉ microdots. A. Barman, V. V. Kruglyak, R. J. Hicken, J. Scott, and M. Rahman. 49^th Conference on Magnetism and Magnetic Materials (MMM04), Nov. 7-11, 2004, Jacksonville, Florida.

70. Use of microscale coplanar striplines with indium tin oxide windows in optical ferromagnetic resonance measurements P. S. Keatley, V. V. Kruglyak, A. Barman, S. Ladak, R. J. Hicken, J. Scott, and M. Rahman. 49^th Conference on Magnetism and Magnetic Materials (MMM04), Nov. 7-11, 2004, Jacksonville, Florida.

71. Time domain study of spin excitations in a magnetic trilayer. A. Barman, V. V. Kruglyak, R. J. Hicken, C. H. Marrows, M. Ali, A. T. Hindmarch, and B. J. Hickey. International Conference of Magnetism 27^th July – 01^st Aug. 2003.

72. Investigation of anisotropy, damping and coherence of magnetization dynamics in micron sized square Ni₈₁Fe₁₉ element. A. Barman, V. V. Kruglyak, R. J. Hicken, A. Kundrotaite and M. Rahman, Condensed Matter and Materials Physics 2003 at Queens University, Belfast, from 6-9 April 2003.

73. Characterization of a Py/Cu/Co/IrMn spin valve by optical pump-probe spectroscopy. A. Barman, V. V. Kruglyak, R. J. Hicken, C. H. Marrows, M. Ali, A. T. Hindmarch, and B. J. Hickey. Condensed Matter and Material Physics conference, Brighton, UK on 7^th-11^th April 2002.

74. Investigation of a series of Py/Cu/Co/IrMn spin valves by optical ferromagnetic resonance. A. Barman, V. V. Kruglyak, R. J. Hicken, C. H. Marrows, M. Ali, A. T. Hindmarch, and B. J. Hickey. Second European Workshop on Innovative Mass Storage Technologies at University of Exeter, UK, 2002.

75. Electrical Properties of La_0.6Re_0.1Ca_0.3MnO₃ (Re = Pr, Sm, Gd, Dy) at Low Temperature. A. Barman et al. DAE Solid State Physics symposium, Kochi, India, 1997.

76. Effect of substitution of Y in Giant Magnetoresistive La_.7Sr_.3MnO₃ system. A. Barman et al. DAE Solid State Physics symposium, Kochi, India, 1997.

77. Crossover from Mott to Efros-Shklovskii Variable Range Hopping Conductivity in Conducting Polyaniline. M. Ghosh, A. Barman, S. K. De and S. Chatterjee. Materials Research Society of India, Madras Chapter, I.I.Sc., Bangalore, India, 1996.

78. Giant Magnetoresistance in La_0.8Sr_0.2Fe_xCo_1-xO₃ (0.025 < x < 0.3). A. Barman, M. Ghosh, S. Biswas, S. K. De and S. Chatterjee. Materials Research Society of India, Madras Chapter, I.I.Sc., Bangalore,1996.

79. Giant Negative Magnetoresistance in La-Mn-O system. A. Barman, M. Ghosh, A. Das, S. K. De and S. Chatterjee. Materials Research Society of India, Bangalore Chapter: I.I.Sc., Bangalore, India, 1996.

80. Electrical and Magnetic transport properties of La_1-xBa_xCoO₃. A. Barman, M. Ghosh, S. K. De and S. Chatterjee. Fifteenth National Symposium on Cryogenics, New Delhi, 1995.

81. Electrical conductivity of HCl doped polyaniline at low temperature. M. Ghosh, A. Barman, S. K. De and S. Chatterjee. Fifteenth National Symposium on Cryogenics, New Delhi, India, 1995.

82. Resistivity and Magnetoresistance studies on A15 V₃Ge, Nb₃Ir and Ti₃Ir compounds at low temperature. M. Ghosh, A. Barman and A. K. Meikap. DAE Solid State Physics Symposium, Jaipur, India, 1994.

83. Magnetoconductance of Cl- doped polyaniline at low temperature. A. Barman, M. De and S. K. De DAE Solid State Physics Symposium, University of Rajasthan, Jaipur, India, Dec 27 - 31, 1994.