University of Virginia

Experimental Condensed Matter & Materials Physics: Prof. Louca Group

Brain: an apparatus with which we think we think.
Ambrose Bierce

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Recent Publications By Year:

2004:

bullet “Structural model for amorphous steels based on crystalline approximants” V. Yu. Kazimirov, Despina Louca, V. Ponnambalam, S. J. Poon and T. Proffen, submitted to Phys. Rev. Lett. (2004).
bullet "Orbital and spin chains in ZnV2O4" S.-H. Lee, D. Louca, H. Ueda, et al. Phys. Rev. Lett. 93, 156407 (2004)
bullet “Complexity of the Phase Transition in La1-xSrxCoO3” Despina Louca, Z. Kristallographie 219, 148 (2004)”.
bullet “Topological and chemical ordering induced by Ni and Nd in Al87Ni7Nd6 metallic glass” Kyungsoo Ahn, Despina Louca, M. C. Gao and G. J. Shiflet, Phys. Rev. B, in press (2004).

2003:

bullet “Dynamical disorder of spin-induced Jahn-Teller orbitals with the metal-insulator transition in cobaltates” Despina Louca and J. L. Sarrao, Phys. Rev. Lett. 91, 155501 (2003).
bullet “Local topology of Al and Fe based metallic glasses” Kyungsoo Ahn, Despina Louca and S. J. Poon and G. J. Shiflet, J. of Physics: Condensed Matter, 15, S2357-S2364 (2003).
bullet “Lattice Effects in Solids Under Hydrostatic Pressure by Neutron Pair Density Function Analysis” Despina Louca, J. Phys. Chem. Solids 64 (2), 343-355 (2003).
bullet “Local Order in Amorphous Fe-alloys” Despina Louca, Kyungsoo Ahn, V. Ponnambalam and S. J. Poon, MRS Symposium Proceedings, ed. T. Egami, A. L. Greer, A. Inoue, S. Ranganathan, Vol. 754, p. 129 (2003).
bullet “Structural Analysis of Complex Materials using the Atomic Pair Distribution Function – a Practical Guide" Th. Proffen, S. J. L. Billinge, T. Egami and D. Louca, Z. Kristallographie 218, 132 (2003).
bullet “Evidence for incomplete martensitic transformation in Ni0.62Al0.38 by neutron scattering” Darren Kelley and Despina Louca, submitted to Phys. Rev. B (2003).

2002:

bullet “Coupling of Lattice Dynamics to Spin Transitions in La1-xSrxCoO3” Despina Louca, MRS Symposium Proceedings Vol. 718, ed. R. Wentzcovitch, A. Navrotsky, and K. Poeppelmeier, (2002), p. 145.
bullet “Dynamics of Phase Transitions in La1-xSrxCoO3” Despina Louca, Physica B 329, 835-836 (2003).
bullet "Building a high resolution total scattering powder diffractometer upgrade of NPD at MLNSC" T. Proffen, T. Egami, SJL Billinge, AK Cheetham, D. Louca, and JB Parise. Applied Physics A- Materials Science & Processing 74: S163-S165 (2002).
bullet “Lattice Effects in Solids Under Hydrostatic Pressure by Neutron Pair Density Function Analysis” Despina Louca, J. Phys. Chem. Solids 64 (2), 343-355 (2002).
bullet “Charge localization in CMR manganites: Renormalization of polaron energy by stress field” T. Egami and Despina Louca, Phys. Rev. B 65, 094422 (2002).
bullet “Crossover dynamics with low-energy excitations in Jahn-Teller Co perovskites” Despina Louca, J. of Superconductivity: Incorporating Novel Magnetism 15, 591 (2002).
bullet “Coupling of Lattice Dynamics to Spin Transitions in La1-xSrxCoO3” Despina Louca, MRS Symposium Proceedings Vol. 718, ed. R. Wentzcovitch, A. Navrotsky, and K. Poeppelmeier, (2002), p. 145.
bullet “Pressure Induced Lattice Disorder in Heavy Fermion CeCu2+xSi2” Despina Louca, J. D. Thompson, J. L. Sarrao, submitted to Physica B: Condensed Matter (2002).

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Last updated: 07/10/08