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Physics Colloquium, May 23, 2006Grand Challenges in Nanomagnetism*Sam BaderMaterials Science Division and Center for Nanoscale Materials Argonne National LaboratoryThis talk addresses the grand challenges in the emerging discipline of nanomagnetism [1], and describes experiments that explore novel spin-related transport [2] and dynamic behavior [3] in metallic systems. As a subfield of nanoscience, nanomagnetism shares the same three organizing principles: geometric confinement, physical proximity, and chemical self-organization. These principles are illustrated by means of examples, including one that shows a synergistic relationship to biology, the manipulation of viruses to fabricate magnetic nanoparticles.[4] * Work supported by DOE-BES, under contract W-31-109-ENG-38. [1] S. D. Bader, Rev. Mod. Phys. 78, 1 (2006) [2] Y. Ji, et al. Appl. Phys. Lett. 88, 052509 (2006). [3] K. S. Buchanan, et al. Nature Physics. 1, 172 (2005) [4] C. Liu, et al. J. Magn. Magn. Mater., 302, 47 (2006). Sam Bader is Senior Physicist, Group Leader and Associate Division Director of the Materials Science Division of Argonne National Laboratory. He also serves as Scientific Director of Argonnešs new Center for Nanoscale Materials. He received his B.S. (1967) and Ph.D. (1974) in Chemistry from the University of California, Berkeley. He is a Fellow of the AVS and the APS. In 1992 he was co-recipient of the DOE-BES Award for Outstanding Achievement in Solid State Physics for work on coupled magnetic layers. In 1994 he received the University of Chicago Award for Distinguished Performance at Argonne. In 2001 he received the AVS Thornton Memorial Award, cited for "seminal contributions to the atomic-level understanding of surface and thin film magnetism." He is Editor-in-Chief of the Journal of Magnetism and Magnetic Materials and Associate Editor of Applied Physics Letters. He is chair of the Scientific Advisory Committee of the Advanced Light Source at Berkeley. He also is a member of the Advisory Boards of the NSF National Nanotechnology Infrastructure Network, and the Emergent Matter Project. He is U.S. representative and Secretary of IUPAP Commission 10 on Solid State Physics. He is a member of the decadal study committee in Condensed Matter and Materials Physics (CMMP 2010) of the National Research Council. He was chair of the APS Division of Materials Physics in 2004-5. 4:00 p.m., Physics Research Building (PRB), Room 1080Reception at 3:45 p.m., Atrium, PRB |
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