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Research Areas

Studies of Nanoscale Structure and Structural Defects in Advanced Materials: The goal of this program is to study property sensitive structural defects in technologically-important materials such as superconductors, magnets, and other functional materials at nanoscale. Advanced quantitative electron microscopy techniques, such as coherent diffraction, atomic imaging, spectroscopy, and phase retrieval methods including electron holography are developed and employed to study material behaviors. Computer simulations and theoretical modeling are carried out to aid the interpretation of experimental data.

Electron Spectroscopy Groupís primary focus is on the electronic structure and dynamics of condensed matter systems.  The group carries out studies on a range materials including strongly correlated systems and thin metallic films.  A special emphasis is placed on studies of high-Tc superconductors and related materials.

Neutron Scattering Group's  research is presently focused on transition-metal oxide compounds.  Current research topics include: High-temperature superconductivity, charge and spin order in doped Mott insulators, quantum magnetism in low-dimensional systems, relaxor ferroelectrics.

X-Ray Scattering Group carry out basic studies of the structural, electronic and magnetic properties of condensed matter systems using synchrotron-based x-ray scattering techniques.  Particular emphasis is placed on electronic and magnetic structure and phase behavior, on electronic excitations in solids and on the investigation of surface and interfacial phenomena.

Condensed Matter Theory Group conducts basic research over a wide swath of theoretical physics, ranging from strongly correlated electrons to first principle electronic structure theory to the statistical mechanics of complex systems.

Soft Matter Group use synchrotron x-ray scattering, scanning probe and optical microscopy  techniques to study fundamental properties of complex fluids,  simple liquids, macromolecular assemblies, polymers, and biomolecular materials under confinement and on templates.

Correlated Electrons Group focuses on the properties of magnetic materials, and in particular on understanding the general conditions under which magnetic order is stabilized. We are interested not only on how magnetic moments forms or survive in the metallic environment, but also in the interplay of moment stability and magnetic order.

Oxide Molecular Beam Epitaxy Group utilize Molecular Beam Epitaxy (MBE) synthesis to fabricate atomically smooth HTS thin films, multilayers, super lattices, and combinational libraries; manufacture various HTS devices and nano-structures, and study the transport and other physical properties in SIN, SIS, and SNS HTS junctions; HTS nanolayers, nanowires, nanorings and nanodots; and combinatorial libraries of overdoped HTS films (in the quest for purported Quantum Critical Points)

Superconducting Materials: The research focuses on detailed elucidation and optimization of the properties of both low-TC superconductors such as Nb3Sn and high-TC superconducting cuprates such as YBa2Cu3O7 (YBCO) and the recently discovered MgB2.Studies include investigations of physical properties and lattice defects, especially their role in altering superconducting properties, as well as the kinetics of formation of superconductors in practical conductors.

Magnetic Materials: It is the task of this program to study and elucidate factors that determine the macroscopic magnetic response in nanostructured magnetic materials. The research strategy is to focus on materials factors, both intrinsic and extrinsic, that provide functionality to magnetic materials that support selected missions of the DOE.


For more information, please contact:
Condensed Matter Physics & Materials Science Department

Phone Number: 631-344-3508
FAX Number: 631-344-4071

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Last Modified: May 31, 2013
Please forward all questions about this site to: Kim Mohanty