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Workshop 1: Nanomagnetism

Co-organizers: Dongqi Li and Seth Darling

Nanoscale magnetic systems, such as nanoparticles and ultrathin films, display properties distinct from bulk materials. Burgeoning industrial applications such as spintronics and magnetic recording demand a deeper understanding of these systems. Hence, their preparation and characterization are both ongoing challenges as traditional techniques run into intrinsic limitations. In this workshop, fundamental aspects of magnetism in reduced dimensionality, as well as state-of-the-art fabrication techniques, are discussed. This discussion highlights the use of various x-ray based approaches for exploring nanomagnetic systems.

Tuesday, May 4, 2004
Bldg. 402, Rm. E1100/E1200

8:30 am

Registration and Coffee

8:50

Welcome
Eric Isaacs, Argonne National Laboratory

Morning Session

9:00

Imaging Antiferromagnetic Domains and the Spin-Flip Transition in Chromium using Magnetic X-ray Microdiffraction
Paul Evans, University of Wisconsin-Madison

9:30

Temperature Dependent Magnetic Interface Location in Interdiffused NiMn/Ni Epitaxial Bilayers
Christopher Leighton, University of Minnesota

10:00

Synchrotron Radiation Studies of Magnetism in Layered Nanostructures
Daniel Haskel, Argonne National Laboratory

10:30

Break

10:50

Magnetic Nanocrystal Superlattices
Christopher Murray, IBM

11:20

Towards Magnetic Storage Media Using a Single Nanocrystal per Bit
Franz Himpsel, University of Wisconsin at Madison

 11:50

Lunch

Afternoon Session

1:30 pm

Relaxation Properties of Permalloy Nanoparticles and their Effect on Superconductivity
Myron Salamon, University of Illinois at Urbana-Champaign

2:00

Micromagnetic Simulation of Absorption Spectra
John Ketterson, Northwestern University

2:30

Break

2:50

Controlling Ferromagnetic Properties of Ultra-thin Ga1-xMnxAs Films by Modulation Doping
Jacek Furdyna, University of Notre Dame

3:20

Epitaxial Thin Films, Nanopatterning, and Magnetotransport
R. Alejandra Lukaszew, University of Toledo

3:50

Are the Half Metallic Ferromagnets Half Metallic?
Peter Dowben, University of Nebraska

4:20

Wrap-up


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