Algas Heterostructures
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1. Estudo de poços parabólicos largos de AIGaAs em campos magnéticos altos / Study of wide parabolic quantum wells of AlGaAs in high magnetic fiels
We present the results of experiments and calculations done on AlGaAs Parabolic Quantum Wells (PQWs) grown on GaAs by molecular beam epitaxial tecniques. Transport measurements in n-type and p-type samples with widths between 1000 ºA and 4000 ºA at low temperatures indicate an abrupt increase of the Hall coeficient at a critical field B ¼ 3 T. Our study f
Publicado em: 2007