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|Type:||Artigo de periódico|
|Title:||Field-induced metal-insulator transition in the c-axis resistivity of graphite|
|Abstract:||We show that the resistivities perpendicular rho(c) and parallel rho(a) to the basal planes of different graphite samples show similar magnetic-field-driven metal-insulator transitions at a field B(c)similar to0.1 T applied parallel to the c axis. Our results demonstrate the universality of the recently found scaling in rho(a) of graphite and indicate that the metalliclike temperature dependence of rho(c) is directly correlated to that of rho(a). The similar magnetoresistance found for both resistivities, the violation of Kohler's rule, and the field-induced transition indicate that the semiclassical transport theory is inadequate to understand the transport properties of graphite.|
|Editor:||American Physical Soc|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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