Biosketch:

Paris Barnes received his Bachelors of Science in Chemistry with a minor in Biology from Morehead State University in 1998.  He went on to study solid-state inorganic chemistry under the guidance of Patrick Woodward at The Ohio State University, earning a Ph.D. in Chemistry in 2003.  His graduate career was followed by a postdoctoral appointment in the Materials Science Division at Argonne National Laboratory, working on synthesis of new magnetic and superconducting materials, development of a high pressure high temperature synthetic laboratory, and X-ray and neutron powder diffraction of materials under the supervision of James Jorgensen and David Hinks.  In 2006, he accepted a tenure-track position as an assistant professor of inorganic chemistry at Millikin University.

Research Background:

Graduate School - My graduate research focused on three areas in solid-state inorganic chemistry:

• Synthesis of materials.  Materials synthesized include the colossal dielectric 1:3 A-cation ordered perovskite CaCu₃Ti₄O₁₂ and related materials, 1:1 ordered M-cation perovskites (also known as double perovskites) containing Nb⁵⁺, Ta⁵⁺, Sb⁵⁺, or Te⁶⁺, and the defect pyrochlores ANbWO₆ (A = NH₄⁺ , H₃O⁺, Rb⁺, or K⁺). 

• Crystallography of defect pyrochlores under high pressure conditions.

• Crystallography of double perovskites at ambient conditions.

Postdoctoral Appointment - My research in the Materials Science Division at Argonne National Laboratory focused on the following areas:

• Na_xCoO₂ and Na_xCoO₂ˇ4xH₂O (x ~ 0.33)

• High-pressure high-temperature synthesis of magnetic and superconducting materials

• X-ray and neutron diffraction of materials

Selected Publications:

P. W. Barnes, M. W. Lufaso, and P. M. Woodward, “Structure Determination of A₂M³⁺TaO₆ and A₂M³⁺NbO₆ Ordered Perovskites: Octahedral Tilting and Pseudosymmetry”, Acta Cryst. B62, 384-396 (2006).

M. W. Lufaso, P. W. Barnes, and P. M. Woodward, “Crystal Structure Prediction of Ordered Double Perovskites: SPuDS II”, Acta Cryst. B62, 397-410 (2006).

B. Dabrowski, S. Kolesnik, O, Chmaissem, T. Maxwell, M. Avdeev, P. W. Barnes, and J. D. Jorgensen, “Increase of Ferromagnetic Ordering Temperature by the Minority-Band Double-Exchange Interaction in SrRu_1-xCr_xO₃”, Phys. Rev. B72, 054428 (2005).

P. W. Barnes, M. Avdeev, J. D. Jorgensen, D. G. Hinks, H. Claus, and S. Short, “Superconductivity and Cobalt Oxidation State in Metastable Na_xCoO_2-δˇyH₂O (x ≈ ¹/₃ ; y ≈ 4x)”, Phys. Rev. B72, 134515 (2005).

P. W. Barnes, P. M. Woodward, Y. Lee, T. Vogt, and J. A. Hrilijac, “Pressure-Induced Cation Migration and Volume Expansion in the Defect Pyrochlores ANbWO₆ (A=NH₄⁺, Rb⁺, H⁺, K⁺)”, J. Am. Chem. Soc. 125, 4572-4579 (2003).