NSLS-II Seminar

"Exploring Nano‐scale Magnetism with Soft X‐ray Synchrotron Radiation"

Presented by Dr. Jyoti Mohanty

Tuesday, March 10, 2009, 11:00 am — Large Conference Room, Building 703

Magnetism at nano‐scale is at present in the heart of magnetic data storage, recording media, and also spin based electronics devices, spintronics exploiting the spin nature of the electron. In order to see these nano‐scale properties of the magnetic material one need the appropriate wavelength where x‐rays comes into the play. X‐ray has various advantages over the other local probe techniques being element specific, chemical sensitive, high penetration depth, application of magnetic field and temperature (photon‐in and photo out process), utilization of coherence properties to study dynamics. In this talk I will present magnetic domain, magnetization reversal and domain dynamics in various interesting magnetic material system e.g. ferromagnet‐semiconductor hybrid for spintronics application, ferromagnet‐antiferromagnet exchange bias system and magnetic multilayer utilizing magnetic perpendicular anisotropy. Magnetic domain imaging using MFM, XMCD and coherent soft x‐ray resonant scattering will be presented.

Hosted by: QunShen

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