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Master's Dissertation
DOI
10.11606/D.54.1988.tde-02042015-173613
Document
Author
Full name
Paulo Roberto Colares Guimaraes
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1988
Supervisor
Committee
Aegerter, Michel Andre (President)
Li, Maximo Siu
Morato, Spero Penha
Title in Portuguese
Estudo de amostra de vidro de fluoreto dopado com Cr3+
Keywords in Portuguese
Não disponível
Abstract in Portuguese
Um espectrofotômetro de duplo feixe, especular, para medidas de absorção ótica em amostras sujeitas a controle de temperatura e campo magnético, foi projetado e construído. Com este aparelho obtivemos espectros de absorção de amostras de vidro de fluoreto dopado com Cr3+ com a seguinte composição ZrF4(54%), BaF2(35%), CaF2(7%), AlF3(2%), CrF3(2%) , proveniente do "Laboratoire de Chimie Minerale, D (University de Rennes - France). Deu-se ênfase ao estudo do efeito de antirressonância tipo Fano, apresentado pela amostra.
Title in English
Not available
Keywords in English
Not available
Abstract in English
We built two channels totally reflective light spectrophotometer for measuring absorption and transmission of samples submitted to variable high magnetic field and temperature. With this equipment we measured the optical absorption of fluride glasses of composition ZrF4(54%), BaF2(35%), CaF2(7%), AlF3(2%), CrF3(2%) , prepared by the "Laboratoire de Chimie Minerale", D - University of Rennes ( France). Fano type antirresonance has been studied both theoretically and experimentally
 
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Publishing Date
2015-04-07
 
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