AC magnetic heating of superparamagnetic Fe and Co nanoparticles

A. Lukawska, Z. Jagoo, G. Kozlowski, Z. Turgut, H. Kosai, A. Sheets, T. Bixel, A. Wheatley, P. Abdulkin, B. Knappett, T. Houlding, V. Degirmenci

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

AC magnetic heating of superparamagnetic Co and Fe nanoparticles for application in hyperthermia was measured to find a size of nanoparticles that would result in an optimal heating for given amplitude and frequency of ac externally applied magnetic field. To measure it, a custom-made power supply connected to a 20-turn insulated copper coil in the shape of a spiral solenoid cooled with water was used. A fiber-optic temperature sensor has been used to measure the temperature with an accuracy of 0.0001 K. The magnetic field with magnitude of 20.6 µT and a frequency of oscillation equal to 348 kHz was generated inside the coil to heat magnetic nanoparticles. The maximum specific power loss or the highest heating rate for Co magnetic nanoparticles was achieved for nanoparticles of 8.2 nm in diameter. The maximum heating rate for coated Fe was found for nanoparticles with diameter of 18.61 nm.
Original languageEnglish
Title of host publicationDefect and Diffusion Forum
Pages159-167
Number of pages9
Volume336
DOIs
Publication statusPublished - 08 May 2013

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alternating current
nanoparticles
heating
coils
hyperthermia
power loss
temperature sensors
solenoids
magnetic fields
power supplies
fiber optics
copper
heat
oscillations
water
temperature

Cite this

Lukawska, A., Jagoo, Z., Kozlowski, G., Turgut, Z., Kosai, H., Sheets, A., ... Degirmenci, V. (2013). AC magnetic heating of superparamagnetic Fe and Co nanoparticles. In Defect and Diffusion Forum (Vol. 336, pp. 159-167) https://doi.org/10.4028/www.scientific.net/DDF.336.159
Lukawska, A. ; Jagoo, Z. ; Kozlowski, G. ; Turgut, Z. ; Kosai, H. ; Sheets, A. ; Bixel, T. ; Wheatley, A. ; Abdulkin, P. ; Knappett, B. ; Houlding, T. ; Degirmenci, V. / AC magnetic heating of superparamagnetic Fe and Co nanoparticles. Defect and Diffusion Forum. Vol. 336 2013. pp. 159-167
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Lukawska, A, Jagoo, Z, Kozlowski, G, Turgut, Z, Kosai, H, Sheets, A, Bixel, T, Wheatley, A, Abdulkin, P, Knappett, B, Houlding, T & Degirmenci, V 2013, AC magnetic heating of superparamagnetic Fe and Co nanoparticles. in Defect and Diffusion Forum. vol. 336, pp. 159-167. https://doi.org/10.4028/www.scientific.net/DDF.336.159

AC magnetic heating of superparamagnetic Fe and Co nanoparticles. / Lukawska, A.; Jagoo, Z.; Kozlowski, G.; Turgut, Z.; Kosai, H.; Sheets, A.; Bixel, T.; Wheatley, A.; Abdulkin, P.; Knappett, B.; Houlding, T.; Degirmenci, V.

Defect and Diffusion Forum. Vol. 336 2013. p. 159-167.

Research output: Chapter in Book/Report/Conference proceedingChapter

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Lukawska A, Jagoo Z, Kozlowski G, Turgut Z, Kosai H, Sheets A et al. AC magnetic heating of superparamagnetic Fe and Co nanoparticles. In Defect and Diffusion Forum. Vol. 336. 2013. p. 159-167 https://doi.org/10.4028/www.scientific.net/DDF.336.159