Dynamics of the temperature distribution in ultra-fast thin-film calorimeter sensors

被引：26
作者：
Minakov, Alexander A. [1 ]
Schick, Christoph [1 ]
机构：
[1] Univ Rostock, Inst Phys, D-18051 Rostock, Germany
来源：
THERMOCHIMICA ACTA | 2015年 / 603卷
关键词：
Fast scanning calorimetry; Ultra-fast cooling; Thin-film calorimetry; Nanocalorimetry; HEAT-CAPACITY MEASUREMENTS; THERMAL-CONDUCTIVITY; SCANNING MICROCALORIMETRY; CHIP; CRYSTALLIZATION; REORGANIZATION; DESIGN; POLY(ETHYLENE-TEREPHTHALATE); NANOCALORIMETRY;
D O I：
10.1016/j.tca.2014.05.030
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
To study phase-transition kinetics on submillisecond time scales a set of thin-film silicon-nitride gauges for ultra-fast scanning nanocalorimetry was constructed and utilized for controlled ultra-fast cooling, as well as heating, up to 10(6) K/s. In this paper an analytical solution for the model describing the heat transfer in a membrane gauge at ultra-fast heating and cooling is presented. The dynamics of the temperature distribution in the membrane gauge is calculated and compared with experimental data. The origin of limitations imposed on the maximum attainable controlled cooling rate is investigated. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：205 / 217
页数：13
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