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Colossal magnetoresistance is a Griffiths singularity | | M B Salamon
; P Lin
; S H Chun
; | | Date: |
13 May 2002 | | Journal: | Phys Rev Lett, 88 (19), 197203 | | Abstract: | It is now widely accepted that the magnetic transition in doped manganites that show large magnetoresistance is a type of percolation effect. This paper demonstrates that the transition should be viewed in the context of the Griffiths phase that arises when disorder suppresses a magnetic transition. This approach explains unusual aspects of susceptibility and heat capacity data from a single crystal of La0.7Ca0.3MnO3. | | Source: | PubMed, pmid12005662 | | Services: | Forum | Review | Favorites | |
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