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Special Seminar: Observation of vortex lattice on Type-II superconductors by the Small Angle Neutron Scattering technique.

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Hazuki Kawano-Furukawa, Ochanomizu University, Tokyo, Japan
When
14 February 2014 from 1:30 PM to 2:30 PM
Where
339 Davey Laboratory
Contact Name
Contact Phone
814-863-0090
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Small angle neutron scattering (SANS) experiments on vortex lattice (VL) is a useful tool to investigate the superconducting state by imaging the VL state. The VL state is much affected by the underlying superconducting properties of host crystal, so SANS results can give information about the superconducting gap structure and pairing state and etc.

 So far, we performed the SANS experiments on several superconductors, including ErNi2B2C, YNi2B2C, CeCoIn5, KFe2As2, BaFe2(As,P)2, Sr2RuO4… etc. For example in ErNi2B2C, we explored a possibility of spontaneous vortex state and in CeCoIn5 we studied an effect of strong pauli paramagnetism on its superconductivity, and in KFe2As2 we studied gap structure through SANS data …etc. In the seminar, I would like to show some data that prove the power of SANS technique to study superconductors.

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