The Impact of Sample Insulation on Estimating the Heating Power of Magnetic Nanoparticles by AC Calorimetry

被引：1
|
作者：
Hanson, Lise G. [1 ]
Hansen, Bianca L. [1 ]
Veile, Thomas [1 ]
Zambach, Mathias [1 ]
Christensen, Niels B. [1 ]
Frandsen, Cathrine [1 ]
机构：
[1] Tech Univ Denmark, Dept Phys, DK-2800 Kongens Lyngby, Denmark
来源：
IEEE MAGNETICS LETTERS | 2023年 / 14卷
关键词：
Nanomagnetics; magnetic hyperthermia; nonadiabatic ac calorimetry; specific absorption rate; sample environment; insulation; ABSORPTION RATE;
D O I：
10.1109/LMAG.2023.3279778
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Correct estimation of the heating power of magnetic nanoparticles is important for magnetic hyperthermia treatment. This letter investigates the impact of sample insulation in ac calorimetry. We show that a temperature increase in the insulation can lead to systematic errors when estimating the heating power by the corrected slope method. The errors arise if the temperature of the sample environment is kept fixed at its initial temperature in the data analysis. To correct this, the local temperature difference between the sample and the sample environment should be used.
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页数：5
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