banner

Menu:

Jimmy Zhu's Students

Current Students

Matthew Moneck

Education:
  • B.S. Physics, May 2000, Allegheny College, PA.
  • M.S. Elec Comp. Eng, Aug 2002, Carnegie Mellon University, PA
  • Ph.D. Elec Comp. Eng, expected 2007, Carnegie Mellon University, PA
Research:
  • Fabrication of Ring-Shaped Vertical MRAM
  • CPP/GMR and the Enhancement of CPP/GMR
  • Fabrication and Testing of Patterned Media
Accomplishments:
  • Developed the fabrication processes for ring-shaped vertical MRAM
  • Designed and built a test bed for measuring low resistance CPP/GMR devices
  • Successfully fabricated three CPP/GMR ring-shaped MRAM test structures
  • Achieved one step switching of the free layer in our MRAM devices
  • Significantly enhanced the GMR Ratio in our ring-shaped MRAM elements
  • Won the Best Poster Award for the fabrication and testing of our annular vertical MRAM at the 2005 MMM Conference
  • Developed a fabrication process for and successfully recorded on patterned media
Taehee Jeong

Education:
  • B.S. Ceramic Engineering, Feb 1993, Inha University, Korea
  • M.S. Material Science and Engineering, Feb 1995, Pohang University of Sci. & Tech., Korea
  • M.S. Material Science and Engineering, Aug 2006, Penn State University – University Park, PA
  • Ph.D. Elec Comp. Eng, expected 2010, Carnegie Mellon University, PA
Research:
  • Giant magnetothermal resistance (GMTR)
  • Thermal characterization of thin films using nanosecond time-resolved thermoreflectance method
  • CIP GMR
Accomplishments:
  • Built a pump-probe system for measuring the thermal conductivity of thin films using a nanosecond time-resolved thermoreflectance technique.
  • Developed MATLAB codes for a thermal model to extract thermal properties from thermoreflectance signals. 
  • Measured the thermal conductivity of several metal films and dielectric films.
  • Developing CIP GMR structure (high MR ratio, low switching field) using sputtering and patterning for GMTR application.
  • Patents: US 6159571, US 2002160307
  • Powder diffraction pattern (JCPDS) : #49-266, Li0.5Fe2.5O4
  • Proceedings of ASME Summer Heat Transfer Conference, July 2009.
  • Journal of Applied Physics, Vol. 103, 07A917, 2008. 
  • Proceedings of ASME-JSME Thermal Engineering Summer Heat Transfer Conference, July 2007.
  • J Electroceram, vol. 18, 261–268, 2007.
  • Japanese Journal of Applied Physics (2001), 40(3B), 1609
  • Japanese Journal of Applied Physics (2000), 39(5A), 2775
  • Japanese Journal of Applied Physics (2000), 39(2B), 741
  • Japanese Journal of Applied Physics (2000), 39(2B), 745
  • Journal of Applied Physics (1999), 86(2), 774
  • IEEE Transactions on Magnetics (1995), 31(6), 397
Wen-Chin Lin

Education:
  • B.S. Material Science, Jun 1995, National Cheng-Kung University, Taiwan
  • M.S. Material Science, Jun 1999, National Tsing-Hwa University, Taiwan
  • Ph.D. Elec Comp. Eng, expected 2010, Carnegie Mellon University, PA
Research:
  • PMR head/media write performance
  • Contact write/read testing methodology
Jeong-Heon Park

Education:
  • B.S. Chemistry, Mar 1997, Seoul National University, Korea
  • M.S. Chemistry, Mar 1999, Seoul National University, Korea
  • Ph.D. Elec Comp. Eng, expected 2010, Carnegie Mellon University, PA
Research:
  • Perpendicular MTJ and GMR spin-valve devices for future MRAM
  • Spin-torque-transfer (STT) induced magnetization switching
  • STT induced magnetization precession for microwave oscillator application
Accomplishments:
  • Experimental demonstration of the perpendicular MTJ with Co/Pt multilayers
  • STT switching at the nano-sized magnetoresistive devices with perpendicular anisotropy
  • Spin-torque oscillation at the prototype oscillator devices with two different perpendicular polarizers composed of Co/Pt and Co/Pd multilayers
Soyoung Park

Education:
  • B.S. Materials Science and engineering, May 2005, Illinois Institute of Technology, IL
  • M.S. Materials Science and Engineering, May 2008, Carnegie Mellon University, PA
  • Ph.D. Materials Science and Engineering, expected 2010, Carnegie Mellon University, PA
Research:
  • Co/Pt based Perpendicular MTJ
  • Analytical TEM study on perpendicular recording media
  • Increasing head field gradient in perpendicular recording
Accomplishments:
  • Successfully developed a soft intermediate layer to increase the head field gradient
Vincent Sokalski

Education:
  • B.S. Materials Science & Engineering, May 2007, University of Pittsburgh. Pittsburgh, PA.
  • M.S. Materials Science & Engineering, May 2009, Carnegie Mellon University. Pittsburgh, PA.
  • Ph.D. Materials Science & Engineering, expected 2011, Carnegie Mellon University. Pittsburgh, PA.
Research:
  • Intergranular exchange coupling and interface anisotropy in perpendicular media.
  • Switching field distribution in bit patterned CoCrPt films.
Publications:
  • V. Sokalski. J-G. Zhu, D.E. Laughlin. "Characterization of oxide materials for exchange decoupling in perpendicular media." IEEE Transactions on Magnetics, Vol. 46, No. 6, June 2010.
  • V. Sokalski. D.E. Laughlin, J-G. Zhu. "Experimental modeling of intergranular exchange coupling for perpendicular thin film media." Appl. Phys. Lett., vol. 95, pp. 102507­1, 2009.
  • Zhu, J-G., V. Sokalski (presenter)., Y. Wang, D.E. Laughlin. "Understanding the micromagnetic properties of perpendicular thin film media (INVITED)." Materials Science & Technology Conference. Pittsburgh, PA. 2009.
Dhishan Kande

Education:
  • B-Tech Metallurgical Engineering, May 2007, Institute of Technology, Banaras Hindu University (IT-BHU)
  • MS Materials Science and Engineering, May 2009, Carnegie Mellon University
  • PhD Materials Science and Engineering, Expected 2011, Carnegie Mellon University
Research:
  • Thermomagnetic switching in FeRh thin films to be used as a write-assist mechanism for high anisotropy magnetic media.
Accomplishments:
  • Optimized fabrication conditions to achieve best possible switching in FeRh thin films.
  • Microstructural studies and microanalysis of the thin films.
  • “Origin of room temperature Ferromagnetic moment in Rh-richer Fe/Rh multilayer thin films”, J. Appl. Phys. 107, 09E318 (2010).
Yiming Wang

Education:
  • B.S. Electronic Engineering, July 2006, Tsinghua University, China
  • M.S. Elec Comp. Eng, May 2009, Carnegie Mellon University, PA
  • Ph.D. Elec Comp. Eng, expected 2011, Carnegie Mellon University, PA
Research:
  • Micromagnetic simulation on energy assisted magnetic recording (heat assisted magnetic recording and microwave assisted magnetic recording), perpendicular recording and magnetic tape storage systems.
Publications:
  • IEEE Transactions on Magnetics (2008), 44(11), 3557
  • Journal of Applied Physics (2009), 105, 07B902
  • IEEE Transactions on Magnetics (2009), 45(10), 3737
  • IEEE Transactions on Magnetics (2010), 46(03), 751
Hoan Ho

Education:
  • B.E. Mat. Sci. & Eng., May 2009, Nanyang Technological University, Singapore
  • Ph.D. Materials Science, expected 2012, Carnegie Mellon University, PA
Research:
  • High Magnetocrystalline Anisotropy L1(1) CoPt

Alumni

  • Yiming Guo Ph.D. in Physics University of Minnesota 1993
  • Thomas Chang Ph.D. in Electrical Engineering University of Minnesota 1993
  • Tai Min Ph.D. in Electrical Engineering University of Minnesota 1994
  • Xiaoguang Ye Ph.D. in Electrical Engineering University of Minnesota 1995
  • Juren Ding Ph.D. in Electrical Engineering University of Minnesota 1995
  • Miaogen Lu Ph.D. in Electrical Engineering University of Minnesota 1995
  • Yansheng Luo Ph.D. in Electrical Engineering University of Minnesota 1996
  • Youfeng Zheng Ph.D. in Electrical Engineering Carnegie Mellon University 1999
  • Sally Doherty Ph.D. in Electrical Engineering Carnegie Mellon University 1998
  • Terence Lam Ph.D. in Electrical Engineering University of Minnesota 1998
  • Jason Gadboys Ph.D. in Electrical Engineering University of Minnesota 1998
  • Rick Shi Ph.D. in Physics Carnegie Mellon University 1999
  • Xiangdong Lin Ph.D. in Electrical Engineering Carnegie Mellon University 2000
  • Gang Li Ph.D. in Physics Carnegie Mellon University 2000
  • Chris Mao Ph.D. in Electrical Engineering Carnegie Mellon University 2001
  • Alex Roesler Ph.D. in Electrical Engineering Carnegie Mellon University 2002
  • Tzining Fang Ph.D. in Electrical Engineering Carnegie Mellon University 2002
  • Hao Fang Ph.D. in Electrical Engineering Carnegie Mellon University 2002
  • Lijie Guan Ph.D. in Physics Carnegie Mellon University 2003
  • Daniel Bai Ph.D. in Electrical Engineering Carnegie Mellon University 2004
  • Chando Park Ph.D. in Material Science and Engineering Carnegie Mellon University 2005
  • Yuchen Zhou Ph.D. in Electrical Engineering Carnegie Mellon University 2005
  • Mihaela Tanase Ph.D. in Material Science and Engineering Carnegie Mellon University 2006