Veng Cheong Lo

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First-principles calculations were carried out on recently synthesized Re₂N and Re₃N as well as hypothetical Tc and Mn nitrides. It is found that structure and covalent bonds play an important role in determining mechanical properties. Under a large strain along (0001)<1010> direction, Re₂N undergoes a phase transformation with a slight increase in ideal(More)
Experimental results on electromechanical properties of lead zirconate titanate ceramic sample under combined alternating mechanical and mechanical loadings as manifested by the strain -electric field, and electric displacement -electric field relations have been numerically simulated using four-state Potts model. The dipole from each of the perovskite(More)
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