Abstract
A high-resolution computerized calorimeter capable of fully automatic operation in either ac or relaxation modes is described. Emphasis is given to a new version of the relaxation technique in which the heater power is ramped linearly in time. This improvement results in superior performance and convenience in studying both first- and second-order phase transitions and allows quantitative evaluation of latent heats as well as pretransitional heat capacity variations. Examples are given for the use of this calorimeter in the study of liquid crystal phase transitions.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:59 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 10, 2024, 3:54 p.m.) |
Indexed | 1 month, 4 weeks ago (July 8, 2025, 6:06 a.m.) |
Issued | 27 years, 8 months ago (Jan. 1, 1998) |
Published | 27 years, 8 months ago (Jan. 1, 1998) |
Published Print | 27 years, 8 months ago (Jan. 1, 1998) |
@article{Yao_1998, title={Nonadiabatic scanning calorimeter}, volume={69}, ISSN={1089-7623}, url={http://dx.doi.org/10.1063/1.1148492}, DOI={10.1063/1.1148492}, number={1}, journal={Review of Scientific Instruments}, publisher={AIP Publishing}, author={Yao, Haruhiko and Ema, Kenji and Garland, Carl W.}, year={1998}, month=jan, pages={172–178} }