Joo-Hyoung Lee

Post-doctoral Research Scholar


Contact Information:

email: jhyoung@mit.edu
phone: 617-452-3120
Room: 13-4080

Education:

Ph.D (8/2000 ~ 12/2005) : Physics, Northwestern University, USA


Research Interests:

  1. Adhesive properties of materials

  2. - Investigating the bond mechanism at metal/ceramic interfaces modeled with Ti(C,N) nanoparticles embedded into Fe matrix in order to improve hardness and fracture toughness of steels

  3. - Impurity effect on the bonding at metal/ceramic interfaces


  4. First-principles study of magnetism

  5. - Density functional perturbation study of the magnetic effect on the phonon dispersions of ferromagnetic metals such as Ni and Fe

  6. - Phonon contribution to magnetization using density functional theory

  7. - Density functional study of the spin fluctuation effect on magnetization


  8. Density functional study of correlated systems

  9. - Extension and practical implementation of Kohn-Sham approach to include correlated systems

  10. - Develop a new exchange-correlation energy functional for correlated systems


  11. Energy research using nanostructured materials

  12. - Thermoelectric energy conversion : theoretical design of highly efficient solid-state energy conversion materials using Si-nanostructures

  13. - Computational design of efficient Si-based photovoltaic materials


Project research pages:

Nano-porous thermoelectric materials


Publications:

“Improved triangle method for two-dimensional Brillouin zone integrations to determine physical properties,” Joo-Hyoung Lee, Tatsuya Shishidou, and Arthur J. Freeman, Phys. Rev. B 66, 233102 (2002)


“Overlayer and superlattice studies of metal/ceramic interface : Fe/TiC,” Tatsuya Shishidou, Joo-Hyoung Lee, Yu-Jun Zhao, Arthur J. Freeman, and Gregory B. Olson, J. Appl. Phys. 93, 6876 (2003)


“Strong interface adhesion in Fe/TiC,” Joo-Hyoug Lee, Tatsuya Shishidou, Yu-Jun Zhao, Arthur J. Freeman, and Gregory B. Olson, Phil. Mag. 85, 3683 (2005)


“Magnetically induced variations in phonon frequencies,” Joo-Hyoung Lee, Young-chung Hsue, and Arthur. J. Freeman, Phys. Rev. B 73, 172405 (2006)


“Spin-induced variations of phonon frequencies in ferromagnetic metals,” J.-H. Lee and A. J. Freeman

J. Mag. Mag. Mat. 310, 1084 (2007)


“Lattice thermal conductivity of porous Si: molecular dynamics study,” J.-H. Lee, J. C. Grossman, J. Reed, and G. Galli, Appl. Phys. Lett. 91, 223110 (2007)

Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge MA 02139-4307