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Magnetic polarons and magnetoresistance in EuB6 | | M.J. Calderon
; L.G.L. Wegener
; P.B. Littlewood
; | | Date: |
17 Dec 2003 | | Journal: | Phys. Rev. B 70, 092408 (2004) | | Subject: | Strongly Correlated Electrons | cond-mat.str-el | | Abstract: | EuB6 is a low carrier density ferromagnet which exhibits large magnetoresistance, positive or negative depending on temperature. The formation of magnetic polarons just above the magnetic critical temperature has been suggested by spin-flip Raman scattering experiments. We find that the fact that EuB6 is a semimetal has to be taken into account to explain its electronic properties, including magnetic polarons and magnetoresistance. | | Source: | arXiv, cond-mat/0312437 | | Services: | Forum | Review | PDF | Favorites | |
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