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Habilitation Thesis
DOI
https://doi.org/10.11606/T.43.2015.tde-21102015-091527
Document
Author
Full name
Carlos Jose de Azevedo Quadros
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1969
Committee
Goldemberg, Jose (President)
Lejbman, Iuda Dawid Goldman Vel
Sala, Oscar
Watanabe, Shigueo
Wreszinski, Walter Felipe
Title in Portuguese
Método de medida de oscilações magnetotermicas abaixo '1 GRAU' kelvin : oscilações magnetotermicas no zinco entre 1, '2 GRAUS' e '0,5 GRAU' kelvin.
Keywords in Portuguese
Tempetura
Abstract in Portuguese
Neste trabalho descrevemos um sistema para medida das oscilações magnetotérmicas capaz de operar entre 1,2 e 0,3º K. Com este equipamento foram feitas medidas em um cristal de zinco entre 1,2 e 0,5ºK. Os resultados foram analisados em computador utilizando a Transformada de Fourier, e tanto a amplitude das oscilações como a relação entre a amplitude da fundamental e a 2ª harmônica concordam com as previsões teóricas.
Title in English
Measurement method magnetotermicas swings down '1 DEGREE' kelvin: magnetotermicas fluctuations in zinc between 1 '2 Degrees' and '0.5 DEGREE' kelvin.
Keywords in English
Temperature
Abstract in English
This paper describes a system to measure the magnetothermal oscillations able to operate between 1.2 and 0.3 ° K. With this equipment and measurements were made on a crystal of zinc between 1.2 and 0.5 ° K. The results were analyzed by computer using the Fourier transform, and both the amplitude of the oscillations as the relationship between the amplitude of the fundamental and 2nd harmonic agree with theoretical predictions.
 
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1969Quadros.pdf (1.15 Mbytes)
Publishing Date
2015-10-26
 
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