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Low temperature thermal diffusivity of LiKSO4 obtained using the photoacoustic phase lag method

This paper describes the determination of the thermal diffusivity of LiKSO4 crystals using the photoacoustic phase lag method, in the 77 K to 300 K temperature interval. This method is quite simple and fast and when it is coupled to a specially designed apparatus, that includes a resonant photoacou...

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Main Authors: Jorge, M.P.P.M., Vieira, M.M.F., Mendes Filho, J., Oliveira, A.C., Vieira Jr., N.D., Morato, S.P.
Format: Artigo
Language: English
Published: ABM, ABC, ABPol 2017
Subjects:
phase transitions
thermal diffusivity
photoacoustic
Online Access: http://repositorio.unb.br/handle/10482/25560
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spelling ir-10482-255602019-03-28T14:03:50Z Low temperature thermal diffusivity of LiKSO4 obtained using the photoacoustic phase lag method Jorge, M.P.P.M. Vieira, M.M.F. Mendes Filho, J. Oliveira, A.C. Vieira Jr., N.D. Morato, S.P. phase transitions thermal diffusivity photoacoustic This paper describes the determination of the thermal diffusivity of LiKSO4 crystals using the photoacoustic phase lag method, in the 77 K to 300 K temperature interval. This method is quite simple and fast and when it is coupled to a specially designed apparatus, that includes a resonant photoacoustic cell, allows for the determination of the thermal diffusivity at low temperatures. The thermal diffusivity is an important parameter that depends on the temperature, and no values of this parameter for LiKSO4, at low temperature, have yet been reported. The LiKSO4 is a crystal with many phase transitions which can be detected via the anomalies in the variation of the thermal diffusivity as a function of the temperature. 2017-12-07T04:31:53Z 2017-12-07T04:31:53Z 1999 Artigo Mat. Res.,v.2,n.1,p.33-38,1999 1516-1439 http://repositorio.unb.br/handle/10482/25560 10.1590/S1516-14391999000100007 en Acesso Aberto application/pdf ABM, ABC, ABPol http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14391999000100007&lng=en&nrm=iso http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1516-14391999000100007&lng=en&nrm=iso http://www.scielo.br/scielo.php?script=sci_pdf&pid=S1516-14391999000100007&lng=en&nrm=iso
institution REPOSITORIO UNB
collection REPOSITORIO UNB
language English
topic phase transitions
thermal diffusivity
photoacoustic
spellingShingle phase transitions
thermal diffusivity
photoacoustic
Jorge, M.P.P.M.
Vieira, M.M.F.
Mendes Filho, J.
Oliveira, A.C.
Vieira Jr., N.D.
Morato, S.P.
Low temperature thermal diffusivity of LiKSO4 obtained using the photoacoustic phase lag method
description This paper describes the determination of the thermal diffusivity of LiKSO4 crystals using the photoacoustic phase lag method, in the 77 K to 300 K temperature interval. This method is quite simple and fast and when it is coupled to a specially designed apparatus, that includes a resonant photoacoustic cell, allows for the determination of the thermal diffusivity at low temperatures. The thermal diffusivity is an important parameter that depends on the temperature, and no values of this parameter for LiKSO4, at low temperature, have yet been reported. The LiKSO4 is a crystal with many phase transitions which can be detected via the anomalies in the variation of the thermal diffusivity as a function of the temperature.
format Artigo
author Jorge, M.P.P.M.
Vieira, M.M.F.
Mendes Filho, J.
Oliveira, A.C.
Vieira Jr., N.D.
Morato, S.P.
author_sort Jorge, M.P.P.M.
title Low temperature thermal diffusivity of LiKSO4 obtained using the photoacoustic phase lag method
title_short Low temperature thermal diffusivity of LiKSO4 obtained using the photoacoustic phase lag method
title_full Low temperature thermal diffusivity of LiKSO4 obtained using the photoacoustic phase lag method
title_fullStr Low temperature thermal diffusivity of LiKSO4 obtained using the photoacoustic phase lag method
title_full_unstemmed Low temperature thermal diffusivity of LiKSO4 obtained using the photoacoustic phase lag method
title_sort low temperature thermal diffusivity of likso4 obtained using the photoacoustic phase lag method
publisher ABM, ABC, ABPol
publishDate 2017
url http://repositorio.unb.br/handle/10482/25560
_version_ 1641988568989564928
score 13.657419

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