Investigation of Magnetometry and Hyperthermia Properties of Stable Magnetite Nanoparticle Suspension UNIMAG
The hyperthermal and magnetic properties of a magnetite nanoparticle suspension in a stable magnetic suspension have been investigated. To that purpose, we created a low-frequency generator of 300 W and 300 kHz for hyperthermia applications. For 30 minutes, a sample of magnetic suspension was placed in an induction coil and heated to 55°C. Based on the results of radio-frequency resonant magnetometery measurements of transverse susceptibility, it can be deduced that the suspension was superparamagnetic at ambient temperature and transferred to the magnetic state at nitrogen temperature. By comparing the experimental results to the published data, we calculated the average size of nanoparticles to be around 10 nm. Similar results are obtained through computer simulation using the Tikhonov regularisation method based on the magnetization curve.
Author(S) Details
Grigor Mamniashvili
Department of Condensed Matter Physics at Ivane Javakhishvili Tbilisi State University Andronikashvili Institute of Physics, 6 Tamarashvili St. 0177, Tbilisi, Georgia.
Solomon Mikeladze
Department of Condensed Matter Physics at Ivane Javakhishvili Tbilisi State University Andronikashvili Institute of Physics, 6 Tamarashvili St. 0177, Tbilisi, Georgia.
Tatiana Gegechkori
Department of Condensed Matter Physics at Ivane Javakhishvili Tbilisi State University Andronikashvili Institute of Physics, 6 Tamarashvili St. 0177, Tbilisi, Georgia.
Ketevan Sigua
Department of Condensed Matter Physics at Ivane Javakhishvili Tbilisi State University Andronikashvili Institute of Physics, 6 Tamarashvili St. 0177, Tbilisi, Georgia.
View Book:- https://stm.bookpi.org/RTCPS-V7/article/view/6005
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