Eunja Kim, PhD : Research Interests

Superhard materials:

Energetics of h-BN, c-BN, and w-BN have been investigated by using ab initio method. Cohesive energy as well as formation enthalpy reveal that cubic phase is lower in energy than graphite-like hexagonal phase with very little energy difference of 0.1 eV/atom, comparable to the experimental value of 0.17 eV/atom. Phase transition from either c-BN or h-BN to w-BN occurs at the pressure above 16 GPa when the experimentally suggested pressure is somewhere above 10 GPa at high temperature above 2000 K.
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Eunja Kim, University of Nevada Las Vegas
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Last update: January 29, 2005