Dr. Eric J. Cockayne
Electronic & Optoelectronics Materials Group

Research Interests

• First-principles electronic structure calculations
• Theory of microwave dielectrics
• First-principles-based modeling and simulation of ferroelectrics

Biographical Information

• 1988 BA, SUNY-Buffalo, Physics
• 1994 PhD, Cornell, Physics
• 1993-1995 Chateaubriand Fellowship, Universite Paris-Sud
• 1995-1998 Postdoctoral Research Associate, Yale
• 1998-2000 NRC Postdoctoral Fellow,  NIST
• 2000-2001 Research Associate, Catholic University of America
• 2001-date Physicist, NIST

Recent Publications

• 1. Eric Cockayne, "Generation of lattice Wannier functions via maximum localization", preprint, submitted to Physical Review B.


• 2. Eric Cockayne, and Benjamin P. Burton, "Dipole moment of a Pb-O vacancy pair in PbTiO₃", Physical Review B 69, 144116 (2004).


• 3. S. A. Prosandeev, E. Cockayne, and B.P. Burton, "First-principles calculations of ionic vibrational frequencies in PbMg_1/3Nb_2/3O₃", Fundamental Physics of Ferroelectrics 2003 (AIP Conference Proceedings 637), 146 (2003), edited by P. K. Davies and D. J. Singh


• 4. S.A. Prosandeev, E. Cockayne, and B.P. Burton, "Energetics of Li ion displacements in K_1-xLi_xTaO₃: first-principles calculations", Physical Review B 68, 014120 (2003).


• 5. U.V. Waghmare, E. Cockayne, and B.P. Burton, "Ferroelectric Phase Transitions in Nano-scale Chemically Ordered PbSc_0.5Nb_0.5O₃ using a First-principles Model Hamiltonian", Ferroelectrics 291, 187 (2003).


• 6. Eric Cockayne, "First principles calculations of the dielectric properties of perovskite-type materials", Journal of the European Ceramic Society 23, 2375 (2003).


• 7. V. Zelezny, Eric Cockayne, J. Petzelt, M.F. Limanov, D.E. Usvyat, V.V. Lemanov, and A.A. Volkov, "Temperature dependence of infrared-active phonons in CaTiO₃: a combined spectroscopic and first-principles study", Physical Review B 66, 224303 (2002).


• 8. B.P. Burton and E. Cockayne, "Unexpected Ground State Structures in Relaxor Ferroeletrics" , Ferroelectrics 270, 173 (2002).


• 9. B.P. Burton and E. Cockayne, "Prediction of the [Na_1/2Bi_1/2TiO₃ Ground State" , Fundamental Physics of Ferroelectrics 2001 (AIP Conference Proceedings 582), 82 (2001), edited by H. Krakauer


• 10. Eric Cockayne, "Comparative dielectric response of CaTiO₃ and CaAl_1/2Nb_1/2O₃ from first principles", J. Appl. Phys. 90, 1459 (2001).


• 11. Eric Cockayne and Benjamin P. Burton, "Phonons and static dielectric constant in CaTiO₃ from first principles", Physical Review B 62, 3735 (2000).
  


• 12. B.P. Burton and E. Cockayne, "Why Pb(B,B')O₃ Perovskites Disorder at Lower Temperatures than Ba(B,B')O₃ Perovskites" , Physical Review B 60, R12542 (1999).

Curriculum Vitae