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|Type:||Artigo de periódico|
|Title:||Giant effective g-factor in Pb(x)Eu(1-x)Te epitaxial films|
|Abstract:||We investigated Pb(x)Eu(1-x)Te films with x <= 0.2 by magneto-optical measurements. For x similar to 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. (C) 2008 American Institute of Physics.|
|Editor:||Amer Inst Physics|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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