Materials Science Division

Research Interests

• Understanding domain behavior and interactions in multiferroic heterostructures
• Phase reconstruction techniques and Lorentz TEM, In-situ TEM
• TEM Image simulations

Education

• Ph.D - 2009, Materials Science Engineering,
  Carnegie Mellon University, Pittsburgh, PA, USA
• M. Tech – 2005 (Ceramics and Composites),
  Metallurgical and Materials Science Engineering,
  Indian Institute of Technology, Bombay, India
• B. Tech – 2004,
  Metallurgical and Materials Science Engineering,
  Indian Institute of Technology, Bombay, India

Awards

• 2008 Presidential Student award for outstanding research work by the Microscopy Society of America
• Awarded the student fellowship to attend the 2007 Frontiers of Electron Microscopy in Materials Science Conference

Selected Publications

1. C. Phatak, A. Petford-Long, O. Heinonen, M. Tanase, and M. De Graef, “Nanoscale structure of the magnetic induction at monopole defects in artificial spin-ice lattices”, in press, Phys. Rev. B., 2011.
2. A. Budruk, C. Phatak, A. Petford-Long, M. De Graef, “In-situ Lorentz TEM magnetization study of a Ni-Mn-Ga ferromagnetic shape memory alloy”, in press, Acta Materialia, 2011.
3. C. Phatak, R. Pokharel, M. Beleggia, M. De Graef, “On the Magnetostatics of Chains of Magnetic Nanoparticles”, submitted, J. of Mag. And Mag. Mat., 2011.
4. N. Shukla, M. M. Nigra, M. A. Bartel, T. Nuhfer, C. Phatak, and A. J. Gellman, “Angle Resolved TEM Imaging of Pt Nanoparticle”, Catal. Lett., 140, 85-89, 2010.
5. C. Phatak, A.K. Petford-Long, and M. De Graef, “Three-dimensional study of the vector potential of magnetic structures”, Phy. Rev. Let, 104, 253901, 2010.

Professional Activities

1. Organizer of the “Advances in Focused Ion Beam Microscopy” workshop at the Argonne Users Meeting, 2011.
2. Session chair for Materials Science / General Physics session in 20th Annual Argonne Symposium for Undergraduates in Science, Engineering and Mathematics, November 2009.