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Superconducting, Electronic & Magnetic Materials

Superconducting, electronic, magnetic materials

Synchrotron Radiation

With high brilliance, focusing capabilities, temporal resolution, coherence, and polarization, synchrotron x-radiation is a particularly powerful probe for revealing rich materials behavior under extreme environments. Besides the traditional crystal structure information, recently developed synchrotron techniques provide information on phonon dynamics, electronic and bonding structure, magnetism, micro-structure in a large length scale, nano-imaging, strength and elasticity, and kinetics/process evolution.

High-Pressure Transformations of Semiconductor Clathrates

Isostructural with hydrate systems are the semiconductor clathrates, which are based on a framework of semiconductor atoms, e.g. Ge and Si, arranged as a host lattice that trap, or enclathrate, metal atoms. Depending on the species and concentration of the guest, these materials show a wide range of functional properties, including semiconducting, metallic and even superconducting behavior.



Superconducting, Electronic, and Magnetic Materials

Pressure is opening up broad new vistas on superconductivity from simple elements to complex materials and the creation of new electronic and magnetic materials.



Ultrahigh P-T Neutron Technology

The Spallation Neutron Source (SNS) currently has the highest flux of any pulsed neutron source in the world, facilitating diffraction measurements with volumes that are more than an order of magnitude less than older facilities. This provides a great opportunity to access higher pressure and temperature conditions than have previously been possible with neutrons.


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