Simultaneous absolute measurements of the thermal diffusivity and the thermal effusivity in solids and liquids using photopyroelectric calorimetry

被引：46

作者：

Zammit, U. ^{[1
]}

Mercuri, F. ^{[1
]}

Paoloni, S. ^{[1
]}

Marinelli, M. ^{[1
]}

Pizzoferrato, R. ^{[1
]}

机构：

[1] Univ Roma Tor Vergata, Dipartimento Ingn Ind, I-00133 Rome, Italy

来源：

JOURNAL OF APPLIED PHYSICS | 2015年 / 117卷 / 10期

关键词：

HEAT CAPACITY; CONDUCTIVITY; STATES; SI; SPECTROSCOPY; TEMPERATURE; ABSORPTION; TRANSITION; PARAMETERS; CELL;

D O I：

10.1063/1.4914491

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the simultaneous "absolute" measurements of the thermal diffusivity and of the thermal effusivity in solid and liquid samples by using only the phase of the so called self-normalized Photopyroelectric signal, performing no other normalization/calibration procedure than that carried out during the actual measurements. Measurements, performed as a function of temperature, are characterized by a temperature resolution adequate to study phase transitions. The obtained results are in excellent agreement with those obtained in the previous studies. (C) 2015 AIP Publishing LLC.

引用

页数：8

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