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dc.titlePhysical limits of pure superparamagnetic Fe 3O 4 nanoparticles for a local hyperthermia agent in nanomedicine
dc.contributor.authorJeun, M.
dc.contributor.authorLee, S.
dc.contributor.authorKyeong Kang, J.
dc.contributor.authorTomitaka, A.
dc.contributor.authorWook Kang, K.
dc.contributor.authorIl Kim, Y.
dc.contributor.authorTakemura, Y.
dc.contributor.authorChung, K.-W.
dc.contributor.authorKwak, J.
dc.contributor.authorBae, S.
dc.identifier.citationJeun, M., Lee, S., Kyeong Kang, J., Tomitaka, A., Wook Kang, K., Il Kim, Y., Takemura, Y., Chung, K.-W., Kwak, J., Bae, S. (2012-02-27). Physical limits of pure superparamagnetic Fe 3O 4 nanoparticles for a local hyperthermia agent in nanomedicine. Applied Physics Letters 100 (9) : -. ScholarBank@NUS Repository.
dc.description.abstractMagnetic and AC magnetically induced heating characteristics of Fe 3O 4 nanoparticles (IONs) with different mean diameters, d, systematically controlled from 4.2 to 22.5 nm were investigated to explore the physical relationship between magnetic phase and specific loss power (SLP) for hyperthermia agent applications. It was experimentally confirmed that the IONs had three magnetic phases and correspondingly different SLP characteristics depending on the particle sizes. Furthermore, it was demonstrated that pure superparamagnetic phase IONs (d < 9.8 nm) showed insufficient SLPs critically limiting for hyperthermia applications due to smaller AC hysteresis loss power (Néel relaxation loss power) originated from lower out-of-phase magnetic susceptibility. © 2012 American Institute of Physics.
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.sourcetitleApplied Physics Letters
Appears in Collections:Staff Publications

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