our ideas, our researches, our results
Publications
Journals
Jie Wang, Ji-Wook Kim, Keon Wook Kang, Sun Ha Paek, Yasushi Takemura, and Seongtae Bae
"AC and DC magnetic softness enhanced dual-doped r-Fe2O3 nanoparticles for highly efficient cancer theranostics"
Applied Materials Today, 2022, 28, 101533
Ji-wook Kim, Jie Wang, Hyungsub Kim, and Seongtae Bae
"Pseudo single domain NiZn-rFe2O3 colloidal superparamagnetic nanoparticles for MRI-guided hyperthermia application"
Nanotechnology, 2022, 33, 135701
Ji-wook Kim, Dan Heo, Jie Wang, Hyung-sub Kim, Satoshi Ota, Yasushi Takemura, Chulhaeng Huh, and Seongtae Bae
"Pseudo single domain colloidal superparamagnetic nanoparticles for clinically safe magnetic hyperthermia with high efficacy"
Nanoscale, 2021, 13, 19484
Jie Wang, Ji-wook Kim, Hyungsub Kim, and Seongtae Bae
"Heat induction behavior of injected superparamagnetic nanofluid interpreted by mass and heat transfer for clinical magnetic hyperthermia applications"
IEEE Trans. Nanotech., 2021, 20, 933
Ji-Wook Kim and Seongtae Bae
"Reliable evaluation method of heating power of magnetic nanofluids to directly predict the tumor temperature during hyperthermia"
Sci. Rep., 2021, 11, 22028
Ji-wook Kim, Jie Wang, Hyungsub Kim, and Seongtae Bae
"Concentration‑dependent oscillation of specific loss power in magnetic nanofluid hyperthermia"
Sci. Rep., 2021, 11, 733
Jung-tak Jang, Jooyoung Lee, Jiyun Seon, Eric Ju, Minkyu Kim, Young Il Kim, Min Gyu Kim,Yasushi Takemura, Ali Syed Arbab, Keon Wook
Kang, Ki Ho Park, Sun Ha Paek,and Seongtae Bae
"Giant Magnetic Heat Induction of Magnesium-Doped γ-Fe2O3 Superparamagnetic nanoparticles for Completely Killing Tumors"
Adv. Mater., 2018, 30(6), 1704362
Selected as a Video Abstract
Selected as a Front Cover
[Dec, 26, 2017] The Financial News
[Dec, 26, 2017] E-Daily News
[Dec, 26, 2017] The Bell News
[Dec, 22, 2017] Advanced Science News
Jung-tak Jang and Seongtae Bae
"Mg shallow doping effects on the ac magnetic self-heating characteristics of γ-Fe2O3 superparamagnetic nanoparticles for highly
efficient hyperthermia"
Appl. Phys. Lett. 2017, 111, 183703
[Nov, 05, 2017] Heath Me
[Nov, 05, 2017] Maeil Buisiness News
[Nov, 05, 2017] Seoul News
[Nov, 05, 2017] Yonhap News
[Nov, 05, 2017] Hemophilia Life
Jung-tak Jang, Jin Wook Jeoung, Joo Hyun Park, Won June Lee, Yu Jeong Kim, Jiyun Seon, Minkyu Kim, Jooyoung Lee, Sun Ha Paek,
Ki Ho Park and Seongtae Bae
"Effects of Recovery Time during Magnetic Nanofluid Hyperthermia on the Induction Behavior and Efficiency of Heat Shock Proteins 72"
Scientific Reports, 2017, 7, 13942
[Jan, 11, 2018] Sisain
[Oct, 27, 2017] Medical Today
[Oct, 26, 2017] Seoul Daily News
[Oct, 26, 2017] Yonhap News
[Oct, 26, 2017] Maeil Buisiness News
Kwan Lee, Jung-tak Jang, Hiroshi Nakano, Shigeki Nakagaewa, Sun Ha Paek, and Seongtae Bae
"Excitation field dependent shift of superaramagnetic blocking temperature due to core-surface disordered spins interactions"
Nanotechnology, 2017, 28, 075710
Seongtae Bae, J. W. Cheoung , M. Jeun, J.-T. Jang, J. H. Park, Y. J. Kim, K. Lee, M. Kim, J. Lee, H. M. Hwang, S. H. Paek, and K. H. Park
“Magnetically softened iron oxide (MSIO) nanofluid and its application to thermally-induced heat shock proteins for ocular protection"
Biomaterials, 2016, 101, 165 -175
listed as a new technology of 2016 by the World Biomedical Frontier Organization
K. Kim, H. W. Park, H-E Moon, J. W. Kim, Seongtae Bae, J. W. Chang, W. Oh, Y. S. Yang, and Sun Ha Paek
"The effect of human umbilical cord blood-derived mesenchymal stem cells in a collagenase induced intracerebral hemorrhage rat
model"
Exp. Neurobiol., 2015, 24 (2), 146 -155
H. Y. Jo, Y. Kim, H. W. Park, H. E. Moon, Seongtae Bae, J. W. Kim, D. G. Kim, and Sun Ha Paek,
“The unreliability of MTT assay in the cytotoxic test of primary cultured glioblastoma cells”
Exp. Neurobiol., 2015, 24 (3), 235-245
J. W. Cheoung, M. Jeun , J. H. Park, Y. J. Kim, K. H. Park, and Seongtae Bae,
"Induction of heat shock protein-72 by magnetic nanofluid hyperthermia in cultured retinal ganglion cells for ocular neuroprotective
treatment in glaucoma"
J. of Nanomaterials, 2015, 142387
Ding Gui Zeng, Kyoung-il Lee, Kyung-Won Chung, and Seongtae Bae
"Electromigration in giant magnetoresistance spin valve read sensors under pulsed DC magnetic field: An analytical and numerical
study"
IEEE Trans. Magn., 2013, 49, 845
M. Jeun, S. Lee, Y. J. Kim, K. H. Park, S. H. Paek, and Seongtae Bae
"Physical contribution of Néel and Brown relaxation loss power to interpreting intracellular hyperthermia characteristics using
superparamagnetic nanofluids"
J. Nanosci. Nanotechnol., 2013, 13(8), 5719
M. Jeun, S. Lee, Y. J. Kim, H-Y Jo, K. H. Park, S. H. Paek, Y. Takemura, and Seongtae Bae
"Physical Parameters to Enhance AC Heating Power of Ferrite Nanoparticles for Local Hyperthermia”
IEEE Trans. on Nano., 2013, 12(7), 314
Naganivetha Thiyagajah, Lin Lin, and Seongtae Bae
"Fabrication of single-dot planar nano-devices and the application to the exchange bias characterization in nano-pillar devices"
Appl. Phys. Lett., 2012, 101, 222406-1
Ding Gui Zeng, Kyoung-il Lee, Kyung-Won Chung, and Seongtae Bae
"Effects of media stray field on electromigration characteristics in current-perpendicular-to-plane giant magnetoresistance spin-valve
read sensors"
J. Appl. Phys., 2012, 111, 093921
Ding Gui Zeng, Kyoung-il Lee, Kyung-Won Chung, and Seongtae Bae
"Giant magnetoresistance effects on electromigration characteristics in spin valve read sensors during retrieving operation"
J. Phys. D. Appl. Phys., 2012, 45, 195002
M. Jeun, S. Lee, J. K. Kang, A. Tomitaka, K. W. Kang, Y. I. Kim, Y. Takemura, K.-W. Chung, J. Kwak, and Seongtae Bae
"Physical limits of pure superparamagnetic Fe3O4 nanoparticles for a local hyperthermia agent in nanomedicine"
Appl. Phys. Lett., 2012, 100, 092406
Naganivetha Thiyagajah, Kyoung-il Lee, and Seongtae Bae
"Spin transfer switching characteristics in a [Pd/Co]m/Cu/[Co/Pd]n pseudo spin-valve nanopillar with perpendicular anisotropy"
J. Appl. Phys., 2012, 111, 07C910
Naganivetha Thiyagajah, Ho Wan Joo, Lin Lin, and Seongtae Bae
"Physical nature of anomalous peaks observed in extraordinary Hall measurement of exchange biased spin-valves with perpendicular
anisotropy"
J. Appl. Phys., 2011, 110, 013913
Ding Gui Zeng, Kyung-Won Chung, Jae Geun Ha, and Seongtae Bae
"Numerical failure analysis of current-confined-path (CCP) current perpendicular-to-plane (CPP) GMR spin-valve read sensors under high
current density"
J. Appl. Phys., 2011, 109, 033901
Jiang Jing, Ding Gui Zeng, Kyung-Won Chung, Jongyoul Kim, and Seongtae Bae
"Hall effect-induced acceleration of electromigration failures in spin-valve multi-layers under magnetic field"
Appl. Phys. Lett., 2011, 98, 162504
A. Tomitaka, Minghong Jeun, Seongtae Bae, and Y. Takemura
"Evaluation of Magnetic and Thermal Properties of Ferrite Nanoparticles for Biomedical Applications"
J. of Magnetics, 2011, 16(2), 164
M. Jeun, J. W. Cheoung, S. J. Moon, Y. J. Kim, H. Y. Shin, S. H. Lee, S. H. Paek, K. H. Park, K.-W. Chung, and Seongtae Bae
"Engineered superparamagnetic Mn0.5Zn0.5Fe2O4 nanoparticles as a localized heat shock proteins agent for ocular neuroprotection in
glaucoma"
Biomaterials, 2011, 32, 387
Ping Zhang, Naganivetha Thiyagarajah, and Seongtae Bae
"Magnetically-labeled GMR biosensor with a single immobilized ferrimagnetic particle agent for the detection of extremely low
concentration of biomolecules"
IEEE Sensors Journal, 2011, 11, 1927
Lzin Lin, Naganivetha Thiyagarajah, Ho Wan Joo, Jang Heo, Ky Am Lee, and Seongtae Bae
"Enhancement of perpendicular exchange bias in [Pd/Co]/FeMn thin films by tailoring the magnetoelastically-induced perpendicular
anisotropy"
Appl. Phys. Lett., 2010, 97, 242514
Lin Lin, Naganivetha Thiyagarajah, Ho Wan Joo, Jang Heo, Ky Am Lee, and Seongtae Bae
"A physical model of exchange bias in [Pd/Co]5/FeMn thin films with perpendicular anisotropy"
J. Appl. Phys., 2010, 108, 063924
Ding Gui Zeng, Kyung-Won Chung, Jack H. Judy, and Seongtae Bae
"Numerical simulation of current induced magnetic failure for giant magnetoresistance spin valve read sensors for 1Tbit/in2 magnetic
recording"
J. Appl. Phys., 2010, 108, 023903
J.-G. Kang, J.-G. Ha, J.-H. Koh, S.-M. Koo, M. Kamiko, S. Mitani, Y. Sakuraba, K. Takanashi, Seongtae Bae, H.-J. Yeom
"Atomic ordering and magnetic properties of polycrystalline L10-FePd dot array”
Physica B-Condensed matter, 2010, 405, 3149
Naganivetha Thiyagarajah, Lin Lin, and Seongtae Bae
"Effects of NiFe/Co insertion at the [Pd/Co] and Cu interface on the magnetic and GMR properties in perpendicularly magnetized
[Pd/Co]/Cu/[Co/Pd] pseudo spin-valves"
IEEE Trans. Mag., 2010, 46, 968
Jing Jiang, Ding Gui Zeng, Hojun Ryu, Kyung-Won Chung, and Seongtae Bae
"Effects of controlling Cu spacer inter-diffusion by diffusion barriers on the magnetic and electrical stability of GMR spin-valve devices"
J. Magn. Magn. Mater., 2010, 322, 1834
M. Jeun, S. J. Moon, H. Kobayashi, H. Y. Shin, A. Tomitaka, Y. Takemura, S. H. Paek, K. H. Park, K.-W. Chung, and Seongtae Bae
"Effects of Mn concentration on the AC magnetically-induced heating characteristics of superparamagnetic MnxZn1-xFe2O4
nanoparticles for hyperthermia"
Appl. Phys. Lett., 2010, 96, 202511
Shao Qiang Tang, Seung Je Moon, Ki Ho Park, Sun Ha Paek, Kyung-Won Chung, and Seongtae Bae
"Feasibility of TEOS coated CoFe2O4 nanoparticles to a GMR biosensor agent for single molecular detection"
J. Nanoscience and Nanotechnology, 2010, 11, 82
Hiroki Kobayashi, Atsuo Hirukawa, Asahi Tomitaka, Tsutomu Yamada, Minhong Jeun, Seongtae Bae and Yasushi Takemura
"Self-heating properties under AC magnetic field and their evaluation by ac/dc hysteresis loops of NiFe2O4 nanoparticles"
J. Appl. Phys., 2010, 107, 09B322
Asahi Tomitaka, Hiroki Kobayashi, Tsutomu Yamada, Minhong Jeun, Seongtae Bae, and Yasushi Takemura
"Magnetization and self-heating temperature of NiFe2O4 nanoparticles measured by applying ac magnetic field"
J. Phys. 2010, 200, 122010
Ding Gui Zeng, Kyung-Won Chung, and Seongtae Bae
"Thermomigration-induced magnetic degradation of current perpendicular GMR spin valve read sensors operating at high current
density"
J. Appl. Phys., 2009, 106, 113908
Naganivetha Thiyagarajah, Ho Wan Joo, and Seongtae Bae
"High magnetic and thermal stability of nano-patterned [Co/Pd] based pseudo spin valves with perpendicular anisotropy for 1 Gb MRAM
applications"
Appl. Phys. Lett., 2009, 95, 232513
Sunwook Kim, Seongtae Bae, Lin Lin, Ho Wan Joo, and Do Guwn Hwang
"Correlation between the degradation of perpendicular anisotropy and the double hysteresis behavior in [Pd/Co]n/FeMn exchange
biased thin films"
IEEE Trans. Mag., 2009, 45, 5271
Minhong Jeun, Lin Lin, Ho wan Joo, Seongtae Bae, Jang Heo, and Ky Am Lee
"Villari reversal” in the exchange biased [Pd/Co]5/FeMn thin films with perpendicular anisotropy"
Appl. Phys. Lett., 2009, 94, 152512
Jing Jiang, Hojun Ryu, K. W. Chung, and Seongtae Bae
"Magnetic instability of giant magnetoresistance spin-valve multi-layers due to electromigration-induced inter-diffusion"
Thin Solid Films, 2009, 517, 5557
Minhong Jeun, Seongtae Bae, Asahi Tomitaka, Yasushi Takemura, Ki Ho Park, Sun Ha Paek, and Kyung-Won Chung
"Effects of particle dipole interaction on the AC magnetically-induced heating characteristics of ferrite nanoparticles for hyperthermia"
Appl. Phys. Lett., 2009, 95, 082501
Seongtae Bae, Sang Won Lee, Atsuo Hirukawa, Yasushi Takemura, Youn Haeng Jo, and Sang Guen Lee
"AC Magnetic Field-Induced Heating and Physical Properties of Ferrite Nanoparticles for a Hyperthermia Agent in Medicine"
IEEE Trans. on Nano., 2009, 8, 86
Naganivetha Thiyagarajah, and Seongtae Bae
"Effects of engineered Cu spacer on the interlayer coupling and GMR behavior in Pd/[Pd/Co]2/Cu/[Co/Pd]4 pseudo spin-valves with
perpendicular anisotropy"
J. Appl. Phys., 2008, 104, 113906
Jing Jiang, and Seongtae Bae
"Electromigration-induced failure characteristics of spin-valve multi-layers for metallic based spintronic devices"
IEEE Trans. Dev. Mater. Rel., 2008, 8, 680
Naganivetha Thiyagarajah, Seongtae Bae, Ho Wan Joo, Young Chul Han, and Jongryoul Kim
"Effects of perpendicular anisotropy on the interlayer coupling in perpendicularly magnetized [Pd/Co]/Cu/[Co/Pd] spin-valves"
Appl. Phys. Lett., 2008, 92, 062504
Seongtae Bae, P. J. Chen, W. F. Egelhoff Jr., Gan Li, D. B. Fenner, John M. Heutala, and J. H. Judy
"Effects of argon gas-cluster ion beam processing on surface roughness, crystalline orientation texture, magnetic, and giant
magnetoresistance properties of α-Fe2O3 bottom spin-valves"
J. Magn. Magn. Mater., 2008, 320, 2001
Sunwook Kim and Seongtae Bae
"Prediction of the optimized sensor geometry for an in-vitro tunneling magnetoresistance biosensor using an immobilized ferrimagnetic
nanoparticle agent"
J. Appl. Phys., 2008, 104, 113911
Sunwook Kim, Seongtae Bae, and Jang Kwon Lim
"Improvements of sensing performance by specially designed magnetic shield layer in an in vitro tunneling magnetoresistance
biosensor using immobilized ferrimagnetic nanoparticle agents"
J. Appl. Phys., 2008, 103, 07E916
Sangwon Lee, Seongtae Bae, Y. Takemura, In-Bo Shim, Tae Min Kim, Jeongryul Kim, Hong Jae Lee, Shayne Zurn, and Chul Sung Kim
"Self-heating characteristics of Cobalt ferrite nanoparticles for hyperthermia application"
J. Magn. Magn. Mater., 2007, 310, 2868
Sangwon Lee, Seongtae Bae, Y. Takemura, E. Yamashita, J. Kunisaki, Shayne Zurn, and Chul Sung Kim
"Magnetic properties, self temperature rising characteristics and biocompatibility of NiFe2O4 nanoparticles for hyperthermia"
IEEE Trans. Magn., 2006, 42, 2833
Seongtae Bae, Sangwon Lee, Y. Takemura, E. Yamashita, J. Kunisaki, Shayne Zurn, and Chul Sung Kim
"Dependence of frequency and magnetic field on self-heating characteristics of NiFe2O4 nanoparticles for hyperthermia"
IEEE Trans. Magn., 2006, 42, 3566
J. Guo, M. B. A. Jalil, Seongtae Bae and S. G. Tan
"Current-induced magnetization reversal mechanisms of pseudo spin valves with perpendicular anisotropy"
J. Appl. Phys., 2007, 102, 093902
Sang Dae Choi, Ho Wan Joo, Sang Suk Lee, Do Guwn Hwang, Jin Hyup Choi, Ky Am Lee, Sunwook Kim, and Seongtae Bae
"Partial magnetization reversal in perpendicular exchange biased [Pd/Co]/FeMn film by using laser annealing"
J. Appl. Phys., 2007, 09E519
Jing Jiang, Seongtae Bae, and Sunwook Kim
"Effects of Cu inter-diffusion on the electromigration failure of FM/Cu/FM tri-layers for spin valve read sensors"
IEEE Trans. Magn., 2007, 43, 2836
Lin Lin, Sunwook Kim, Seongtae Bae, Ho Wan Joo, Do Guan Hwang, and Sang Suk Lee
"Effects of Co80Fe20 insertion layer on perpendicular exchange bias characteristics in [Pd/Co]5/FeMn bi-layered thin films"
J. Appl. Phys., 2007, 101, 09E506
Seongtae Bae, Sang Won Lee, and Y. Takemura
"Applications of NiFe2O4 nanoparticles for a hyperthermia agent in biomedicine”
Appl. Phys. Lett., 2006, 89, 252503
M. B. A. Jalil, S. G. Tan, Bala Kumer, and Seongtae Bae
“Anomalous magnetoresistance effects in current perpendicular-to-plane (CPP) spin-valves with half-metallic insertions”
Phys. Rev. B., 2006, 73, 134417
Seongtae Bae, S. G. Tan, M.B. A. Jalil, Bala Khmer, and Thomas Liew
"Anomalous change of magnetoresistance with half-metallic conducting"
J. Appl. Phys., 2006, 99, 08T107
Sangwon Lee, Sam Jin Kim, In-Bo Shim, Seongtae Bae, and Chul Sung Kim
"Mossbauser Studies of Nano-Size Controlled Iron-Oxide for Biomedical Applications"
IEEE Trans. Magn., 2005, 41, 4114
Seongtae Bae, I-Fei Tsu, M. Davis, and J. H. Judy
"Electrical Reliability of Tunneling Magnetoresistive Read Heads"
J. Appl. Phys., 2003, 94, 7636
Seongtae Bae, P. J. Chen, W. F. Egelhoff Jr., and J. H. Judy
"Dependence of physical properties and GMR ratio on substrate position during rf sputtering of NiO and α-Fe2O3 for bottom spin-
valves”
Appl. Phys. Lett., 2002, 81, 2208
Seongtae Bae, I-Fei Tsu, E. S. Murdock, and J. H. Judy
"Electromigration Study of Magnetic Thin Films for the Electrical Reliability of Spin-Valve Read Heads"
IEEE Trans. Magn., 2002, 38, 2655
Seongtae Bae, S. Zurn, P. J. Chen, W. F. Egelhoff Jr., L. Sheppard, E. J. Torok, and J. H. Judy
"Magnetoelectronic characteristics of a GMR “transpinnor” and a magnetic random access memory using a closed-flux
NiFe/Cu/CoFe/Cu/NiFe pseudo spin-valve"
J. Appl. Phys., 2002, 91, 8481
Seongtae Bae, I-Fei Tsu, E. S. Murdock, and J. H. Judy
"Dependence of electromigration-induced failure lifetime on NiFe thin-film thickness in giant magnetoresistive spin-valve read heads"
Appl. Phys. Lett., 2001, 79, 3657
Seongtae Bae, P. J. Chen, W. F. Egelhoff Jr., and J. H. Judy
"High thermal stability of exchange biased bilayers and bottom giant magnetoresistive spin-valve using α-Fe2O3 antiferromagnetic
layer"
Appl. Phys. Lett., 2001, 78, 4163
Seongtae Bae, I-Fei Tsu, E. S. Murdock, and J. H. Judy
"Electromigration-induced failure analyses of single layered NiFe thin films for magnetoresistive read head"
J. Appl. Phys., 2001, 90, 2427
Seongtae Bae, S. Zurn, P. J. Chen, W. F. Egelhoff Jr., L. Sheppard, E. J. Torok, and J. H. Judy
"Magnetoelectronic devices using α-Fe2O3 bottom GMR spin-valves"
IEEE Trans. Magn., 2001, 37, 1986
Seongtae Bae, S. Zurn, P. J. Chen, W. F. Egelhoff Jr., L. Sheppard, E. J. Torok, and J. H. Judy
"Application of α-Fe2O3 bottom GMR spin-valve for magnetoresistive random access memory (MRAM)"
Jpn. Metl. of Soc., 2001, 8, 1111,
Seongtae Bae, J. Li, S. Zyrn, and J. H. Judy
"Effects of grain cluster size on coercivity and giant magnetoresistance of NiFe/Cu/CoFe/Cu/NiFe pseudo spin valves"
Appl. Phys. Lett., 2000, 77, 3435
Seongtae Bae, P. J. Chen, W. F. Egelhoff Jr., and J. H. Judy
"Structural and microscopic analyses of α-Fe2O3/Co(NiFe)/Cu/Co(NiFe) bottom GMR spin-valves"
IEEE Trans. Magn., 2000, 36, 2617
Seongtae Bae, P. J. Chen, W. F. Egelhoff Jr., and J. H. Judy
"Effects of deposition process parameters on exchange coupling of α-Fe2O3/NiFe bilayers and GMR of α-Fe2O3/NiFe/Cu/NiFe spin-
valves"
IEEE Trans. Magn., 2000, 36, 2892
Seongtae Bae, N. Matsushita, S. Zurn, L. Sheppard, E. J. Torok, and J. H. Judy
"Effects of pumping time on GMR and coercivity of RF-sputtered MRAM dual spin-valves”
IEEE Trans. Magn., 2000, 36, 2853
Seongtae Bae, N. Matsushita, S. Zurn, L. Sheppard, E. J. Torok, and J. H. Judy
"Effects of initial layer surface roughness on GMR performance of Si/Cu/NiFe/Cu/Co/Cu/NiFe dual spin-valves for MRAM"
IEEE Trans. Magn., 2000, 36, 2850
Seongtae Bae, P. J. Chen, W. F. Egelhoff Jr., and J. H. Judy
"Dependence of exchange coupling on the surface roughness and structure in α-Fe2O3/NiFe and NiFe/α-Fe2O3 bilayers"
J. Appl. Phys., 2000, 87, 6650
Seongtae Bae, P. J. Chen, W. F. Egelhoff Jr., and J. H. Judy
"Bottom giant magnetoresistance spin valves using a radio frequency reactive bias-sputtered α-Fe2O3 antiferromagnetic layer"
J. Appl. Phys., 2000, 87, 6980