Current courses:

Contact:

Office:

Culler Hall 219

Phone & e-mail:

(513) 529-8532

freamamv@muohio.edu

Education:

                 University of Kentucky, PhD, 2004

                 University of Kentucky, MS, 2000

                 University of Bucharest, Romania, BS, 1994

Research interests:

My main area of research interest is in the phenomenology associated with strongly correlated electron systems. The corresponding classes of compounds (cuprates, ruthenates, manganites etc.) exhibit very rich phase diagrams most oftenly not yet completely understood. For example, depending on temperature, magnetic field, pressure or doping, some of these materials can experience transitions between worlds of fascinating ground states at the core of the research in modern condensed matter physics: unconventional superconductivity, unusual magnetic ordering, spin and charge pattern formation in low dimensional crystal structures, heavy fermion systems etc. Most of my research employed experimental techniques such as tunneling spectroscopy (including STM), calorimetry, magnetometry and electro-optical spectroscopy. I’m also interested in spintronics and magnetoelectronic devices involving ultra-thin film microcircuitry.

Recent publications:

S. B. Bayram and M. Freamat, “Vibrational spectra of N₂: An advanced undergraduate laboratory in atomic and molecular spectroscopy”, accepted for publication in Am. J. Phys. (2012)

L. Ladino, J. W. Brill, M. Freamat, M. Uddin, and D. Dominko, “Dynamics of the electro-optic response of blue bronze K_0.3MoO₃” Phys. Rev. B 74, 115104 (2006)

J.W. Brill, L. Ladino, M. Freamat, M. Uddin, and R.C. Rai, “Dyamics of the electro-optic response of charge-density-wave conductors” J. Phys. IV (Paris) 131, 135 (2005)

M. Freamat, X.N. Lin, V. Durairaj, S. Chikara, G. Cao, and J.W. Brill, “Thermal and magnetic properties of the spin-chain material, Pr₃RuO₇”, Phys. Rev. B, 72, 014459 (2005)

M. Freamat and K.-W. Ng, “Andreev bound states in normal and ferromagnet/high-T_c superconducting tunnel junctions”, Physica C, 400/1-2, 1-6 (2003), Science Direct doi:10.1016/S0921-4534(03)01318-2

M. Freamat and K.-W. Ng, “Order parameter oscillations in Fe/Ag/Bi₂Sr₂CaCu₂O_8-x tunnel junctions”, Phys. Rev. B, 68, 060507(R) (2003)

M. H. Badr, M. Freamat, Y. Sushko, and K.-W. Ng, “Temperature and field dependence of the energy gap of MgB₂/Pb planar junctions”, Phys. Rev. B, 65, 184516 (2002)

Older courses: