Optical study of rival interactions in a d-electron ferromagnetic Kondo system

2:30 PM–4:54 PM, Tuesday, March 22, 2005
LACC Room: 150A

Sponsoring Unit: GMAG
Chair: Michael Pustilink, Georgia Tech

Abstract ID: BAPS.2005.MAR.L41.10

Abstract: L41.00010 : Optical study of rival interactions in a d-electron ferromagnetic Kondo system

4:18 PM–4:30 PM

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Authors:

Alex Schafgans
K.S. Burch
N.P. Butch
M.B. Maple
(University of California, San Diego)

D. Mandrus
(Oak Ridge National Laboratory)

D.N. Basov
(University of California, San Diego)

We report on a combined optical, transport and thermodynamic study of the Zintl compound Yb$_{14}$MnSb$_{11}$, demonstrating that it is the first ferromagnetic Kondo lattice in the underscreened limit. We suggest a scenerio whereby the combination of Kondo and Jahn-Teller effects provides a consistent explanation of both transport and optical data.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2005.MAR.L41.10

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Bulletin of the American Physical Society

2005 APS March Meeting

Monday–Friday, March 21–25, 2005; Los Angeles, CA

Session L41: Correlated Electrons: Hall Effect and Kondo Physics

Abstract: L41.00010 : Optical study of rival interactions in a d-electron ferromagnetic Kondo system

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