Diluted Magnetic Semiconductor (DMS) nanocrystals are a new class of materials formed by doping the semiconductor with transition metals (TM), which gives interesting magneto-optical properties. These properties are attributed to the exchange interaction between the pure semiconductor’s sp-electrons and the localized TM d-electrons. This book chapter shows exciting results of new DMS developed by the group, both in powder form and embedded in glassy systems. Depending on the concentration of doping ions, saturation of the incorporation of substitutional and interstitial sites in the nanocrystal structure may occur, forming other nanocrystals. In this context, we investigated the doping saturation limit in nanopowders of DMS Zn1-xMnxO NCs and Zn1-xMnxTe, Zn0.99-xMn0.01CoxTe, and Bi2-xCoxS NCs synthesized in glassy matrices. Thus, the sites’ saturation into the crystalline lattice of nanocrystals is a topic little reported in the literature, and we will comment on this work. Therefore, we will show results from the group about the modulation and saturation in diluted magnetic semiconductors nanocrystals in this work.
Agradeço à Deus por ser quem Ele é e por me fazer ser quem eu sou. Agradeço infinitamente porque Seu amor é incondicional e Sua misericórdia dura para sempre.Agradeço ao meu marido Bruno por tanto apoio, infinitos incentivos, por não me deixar desistir e principalmente por acreditar tanto em mim.Aos meus pais Bil e Aurea, e toda a família por me apoiarem em tudo que eu tenho feito. Ao meu orientador Jefferson Luis Ferrari pela paciência inesgotável e dedicação como orientador. Sou eternamente grata por acreditar em mim, por tantos ensinamentos e oportunidades. Você é uma grande inspiração e exemplo de profissional e ser humano.Agradeço também aos professores e colaboradores
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