I was born in Sri Lanka in 1983 and obtained my Bachelor degree in Electrical and Computer Engineering from the National University of Singapore in 2005. I worked as a Research Engineer in ISML from 2005 to 2009 and am currently pursuing my PhD studies under the NUS Graduate Scholarship.
Thesis
Spin transfer switching spintronic devices using [Co/Pd] based spin-valves with perpendicular anisotropy
Research Interests
Current-induced magnetization reversal
Magnetoresistive random access memory (MRAM)
Nano-fabrication techniques
Applied spintronic devices
Magnetic bio-sensors
Magnetic thin-film deposition and properties
Work Experience
Information Storage Materials Laboratory, NUS, Singapore (July 2005 – June 2009)
Research Engineer, Electron beam lithography
John Keels Holdings, Sri Lanka (May – Aug 2003)
Internship, Management Information Systems
Awards and Scholarships
NUS Graduate Research Scholarship
NUS Alumni award 2002
Publications
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, Under review (2010)
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., 46, 968 (2010)
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)
Rachid Sbiaa, Cho Zhong Hua, S. N. Piramanayagam, Randall Law, Kyaw Oo Aung, and Naganivetha Thiyagarajah, “Effect of film texture on magnetization reversal and switching field in continuous and patterned (Co/Pd) multilayers”, J. Appl. Phys. 106, 023906 (2009)
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. 104, 113906 (2008)
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. 92, 062504 (2008)
Conferences Attended
“High magnetic and thermal stability of nano-patterned [Co/Pd] based pseudo spin-valves with perpendicular anisotropy for 1Gb MRAM”, Naganivetha Thiyagarajah, Seongtae Bae, and Howan Joo [DT-07], 11th Joint MMM-Intermag Conference, Washington, D.C., USA (2010, 1, 18 ~ 22)
"Interlayer coupling through Cu spacer in the [Pd/Co]/Pd/Co/Cu(t)/Co/[Pd/Co]/FeMn
exchange biased spin-valves with perpendicular anisotropy." J. Heo, Ho Wan
Joo, Naganivetha Thiyagarajah, K. Lee, and Seongtae Bae, [GF-04], Intermag
Conference, Sacramento, California, USA (2009. 05. 04 ~ 08)
Ei-Leen Tan, Rachid Sbiaa, Kyaw Oo Aung, Seidikkurippu Nellainayagam Piramanayagam, Seng Kai Wong, Hang Khume Tan, Wei Choong Allen Poh, Naganivetha Thiyagarajah, “Nanoimprint Mold Fabrication and Duplication for Discrete Track Recording Media” [A01824-03174], ICMAT 2009, Singapore (2009.06.28 ~07.03)
"Effects of perpendicular interlayer coupling field on the giant magnetoresistance behavior in perpendicularly magnetized Co/Pd based pseudo spin-valves", Thiyagarajah, Naganivetha, Kim, Sunwook, Bae, Seongtae, [BF-04] , 52nd MMM Conference, Tampa, Florida, USA (2007. 11. 05 ~ 09)
"Effects of NiFe and Co insertion on the perpendicular anisotropy, soft layer coercivity and GMR in perpendicularly magnetized [Pd/Co]/Cu/[Co/Pd] pseudo spin-valves", Naganivetha Thiyagarajah, Seongtae Bae, Ho Wan Joo, and Do Guwn Hwang, [CH-13] 53rd MMM Conference, Austin, Texas, USA (2008. 11. 10 ~ 14)
"Effects of Perpendicular Anisotropy on the Interlayer Coupling in Perpendicularly Magnetized [Pd/Co]/Cu/[Co/Pd] Spin-Valves" Naganivetha Thiyagarajah, Ho Wan Joo, Jack H. Judy, and Seongtae Bae, [18aC-3], 9th Perpendicular Magnetic Recording Conference, Sendai, Japan, 05-2010
"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", Naganivetha Thiyagarajah, Lin Lin, Jack H. Judy, and Seongtae Bae, [18aC-4], 9th Perpendicular Magnetic Recording Conference, Sendai, Japan, 05-2010
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