Education
Ph. D. in Solid State Physics, Dankook University, Korea
Thesis topic : “The perpendicular exchange bias and spin-valve
magnetoresistance in [Pd/Co]xN multilayer and antiferromagnetic FeMn”
M. S. in Solid State Physics, Dankook University, Korea
Thesis topic : “Study of magnetic properties in an antiferromagnetic Fe2O3
spin-valve thin films”
Work Experience- Research Fellow, Institute of Life Science,
Sangji University, Korea
- Post-doc, Optical Technology Education Center and Department of Physics,
Inha University, Korea
Research Interests
- Magnetic thin films
- Biomagnetism and Bio-medical Applications
- Hyperthermia for Cancer treatment Publications in Journals
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 1Gb MRAM", Appl. Phys. Lett. 95, 232513(2009)
Sunwook Kim, Seongtae Bae, Lin Lin, Ho Wan Joo, and Do Guwn Hweang, Correlation between the degradation of perpendicular anisotropy and the double hysteresis behavior in [Pd/Co]n/FeMn exchange biased thin films, IEEE Trans. Mag., 45,5271 (2009)
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. , 152512 (2009)
Naganivetha Thiyagarajah, Seongtae Bae, Ho Wan Joo, Young Chul,
Jongyoul Kim, “Effects of perpendicular anisotropy on the interlayer
coupling in perpendicularly magnetized [Pd/Co]/Cu/[Co/Pd] spin valves”,
App. Phys. Lett., 92, 062504 (2008).
Lin Lin, S. W. Kim, Seongtae Bae, H. W. Joo, D. G. Hwang, S. S. Lee,
“Effects of Co80Fe20 insertion layer on perpendicular exchange bias
characteristics in [Pd/Co]5/FeMn bilayers thin films”, J.
Appl. Phys., 101(9), pp. 09E506-1 (2007).
H. W. Joo, M. S. Lee, S. W. Kim, S. S. Kim, J. Y. Lee, J. Y. Baek,
C.-Y. You, K. A. Lee, J. R. Rhee, S. S. Lee, D. G. Hwang, “Dependence of
the Exchange Bias and Coercivity of [Pd/Ferromagnet]N/FeMn Multilayers
on the Stack Number N”, IEEE Transactions on Magnetics, 42(10), pp. 2987
(2006).
H. W. Joo, J. H. An, M. S. Lee, J. H. Choi, K. A. Lee, S. W. Kim, D. G.
Hwang and S. S. Lee, “Enhancement of Magnetoresistance in
[Pd/Co]/Cu/Co/[Pd/Co]FeMn Spin-valves”, J. Appl. Phys.,
99(8), pp. 5041 (2006).
Patents
H. W. Joo, J. Heo, J. H. Ahn, M. S. Lee, S. W. Kim, K. A. Lee, D. G.
Hwang,, “Spin-valve magnetoresistive element with perpendicular magnetic
anisotropy”, Sangji University, Patent Application No. 10-2007-0127213,
Patent Application Date 2007/12/07, (Republic of Korea).
H. W. Joo, J. Heo, J. H. Ahn, M. S. Lee, S. W. Kim, K. A. Lee, S. S.
Lee, D. G. Hwang, “Memory device and MRAM using spin-valve
magnetoresistive element with perpendicular magnetic anisotropy”, Sangji
University, Patent Application No. 10-2007-0134812, Patent Application
Date 2007/12/21, (Republic of Korea).
H. W. Joo, J. Heo, J. H. Ahn, M. S. Lee, S. W. Kim, S. D. Choi, K. A.
Lee, S. S. Lee, D. G. Hwang, “Pulsimeter sensor using spin-valve
magnetoresistive element with perpendicular magnetic anisotropy”, Sangji
University, Patent Application No. 10-2007-0134804, Patent Application
Date 2007/12/21, Accepted Patent (2008/12), (Republic of Korea).
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