http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Characterization of Superparamagnetic Particles Mobility by On-Chip Micromagnets
Goudu, Sandhya Rani,Hu, Xinghao,Lim, Byeonghwa,Kim, Kunwoo,Kim, Keonmok,Kim, Hyeonseol,Yoon, Jonghwan,Kim, CheolGi IEEE 2018 IEEE transactions on magnetics Vol.54 No.6
<P>We fabricate on-chip micromagnets using Ni<SUB>80</SUB>Fe<SUB>20</SUB> and Co<SUB>70</SUB>Fe<SUB>30</SUB> materials for the characterization of mobility of superparamagnetic particles. The maximum velocity of the particles around the periphery of the micromagnets is determined by the critical frequency, which indicates that the particle enters the phase-slipping regime from the phase-locked regime. The maximum velocity of NiFe micromagnets is approximately 3 times larger than that of CoFe micromagnets measured at the low field regions. Moreover, the maximum velocity of the particles is decreasing with increasing the thickness of Teflon coating on the micromagnets, which is in a good agreement with the variation of the magnetostatic potential energy evaluated numerically from micromagnetic simulations.</P>