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|Type:||Artigo de periódico|
|Title:||Giant Effective G -factor In Pbx Eu1-x Te Epitaxial Films|
De Oliveira Rappl P.H.
|Abstract:||We investigated Pbx Eu1-x Te films with x≤0.2 by magneto-optical measurements. For x∼0.01, the optical emission is similar to high quality EuTe films with two narrow lines attributed to excitonic recombinations associated with magnetic polarons. For increasing x, the emission becomes dominated by a broader lower energy band, which is very efficient as compared to the binary emission. The magneto-optical properties of the ternary films show various similarities with EuTe results, such as quenchings at similar temperatures and magnetic fields. Most remarkably, they also present a giant effective g -factor that makes this material a strong candidate for spintronic applications. © 2008 American Institute of Physics.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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