Showing 1 - 20 results of 27 for search '(( decrease NOT decrease doping process ) OR ( decrease in decrease that decrease ))~', query time: 0.89s Refine Results
7
Published 2014
... indicated that La3+, Eu3+ e/ou Bi3+ ions incorporated in the material did not change the structure of the...
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Doctoral thesis
8
Published 2014
... teve como objetivos a preparação e caracterização da matriz Nb2O5:La3+ , Eu3+ a partir do processo sol-gel...
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Doctoral thesis
12
Published 2001
... transparência óptica. Os espectros de transmitância mostraram que o processo de fusão a vácuo eliminou...
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Doctoral thesis
14
Published 2020
... como precursores, em autoclave a 200 °C. Na rota envolvendo o processo de dopagem, o limite de dopagem encontrado...
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Doctoral thesis
16
Published 2012
..., it is shown that the resistive transition is a two-step process, typical of disordered systems. In the normal...
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Master thesis
19
Published 2014
... area in all oxides but not to Ag2O/Nb2O5. Doping with iron and silver oxides also led to a decrease...
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Doctoral thesis
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