Prof. Tongfei Qi

Department of Physics and Astronomy

University of Kentucky, USA

Email: tqi2@uky.edu

Qualifications

2012 Ph.D., Department of Physics and Astronomy, University of Kentucky

2008 M.Sc., Department of Physics and Astronomy, University of Kentucky

2004 B.Sc., Department of Physics, Tongji University

Publications (Selected)

1. Direct evidence of a zigzag spin chain structure in the honeycomb lattice: A neutron and x-ray di_raction investigation on single crystal Na2IrO3 (F. Ye, S. Chi, H. Cao, B.C. Chakoumakos, J.A. Fernandez-Baca, R. Custelcean, T.F. Qi, O.B. Korneta, G. Cao), In Arxiv preprint arXiv:1202.3995, 2012.
2. Itinerant spin-orbital system: Non-Fermi-liquid behavior in nearly magnetic Bi2Ir2O7 single crystals (T.F. Qi, O.B. Korneta, X. Wan, G. Cao), In Arxiv preprint arXiv:1201.0538, 2012.
3. Colossal Negative Thermal Expansion Coupled to Magnetic and Orbital Orders in Ca2Ru1􀀀xMxO4 (M= Cr, Mn, Fe and Cu) (T.F. Qi, O.B. Korneta, S. Parkin, G. Cao), In Physical Review B, volume 85, pp. 165143, 2012.
4. Structurally-driven metal-insulator transition in Ca2Ru1􀀀xCrxO4 (T.F. Qi, M. Ge, O.B. Korneta, S. Parkin, L.E. De Long, G. Cao), In Journal of Solid State Chemistry, Elsevier, 2011.
5. Electron doped Sr2IrO4􀀀_ (0_ __ 0.04): Evolution of a disordered Je_= 1/2 Mott insulator into an exotic metallic state (T.F. Qi, O.B. Korneta, S. Chikara, M. Ge, S. Parkin, L.E. De Long, P. Schlottmann, G. Cao), In Journal of Applied Physics, volume 109, pp. 07D906, 2011.
6. Correlated giant dielectric peaks and antiferromagnetic transitions near room temperature in pure and alkali-doped BaMnO3􀀀_ (O.B. Korneta, T.F. Qi, M. Ge, S. Parkin, L.E. De Long, P. Schlottmann, G. Cao), In Journal of Physics: Condensed Matter, volume 23, pp. 435901, 2011.
7. Magnetic anisotropy and geometrical frustration in the Ising spin-chain system Sr5Rh4O12 (M. Ge, O.B. Korneta, T.F. Qi, S. Parkin, P. Schlottmann, G. Cao), In Journal of Applied Physics, volume 109, pp. 07E164, 2011.
8. Lattice-driven magnetoresistivity and metal-insulator transition in single-layered iridates (M. Ge, T.F. Qi, O.B. Korneta, DE De Long, P. Schlottmann, WP Crummett, G. Cao),In Physical Review B, volume 84, pp. 100402, 2011.
9. Negative Volume Thermal Expansion Via Orbital and Magnetic Orders in Ca2Ru1􀀀xCrxO4 (T.F. Qi, O.B. Korneta, S. Parkin, L.E. De Long, P. Schlottmann, G. Cao), In Physical Review Letters, volume 105, pp. 177203, 2010.
10. Electron-doped Sr2IrO4􀀀_(0 _ _ _ 0.04): Evolution of a disordered Je_= 1/2 Mott insulator into an exotic metallic state (O.B. Korneta, T.F. Qi, S. Chikara, S. Parkin, L.E. De Long, P. Schlottmann, G. Cao), In Physical Review B, volume 82, pp. 115117, 2010.
11. Design and modi_cation of double channel of one-dimensional photonic crystal (G. Tian, Y. Wu, Z. Wang, X. Lin, Y. Wang, T.F. Qi, L. Chen), In Guangxue Xuebao(Acta Optica Sinica), Science Press(Beijing), 16 Donghuangchenggen North St, Beijing, 100717, China,, volume 25, pp. 661-664, 2005.
12. Preparation of ultra-thin freestanding polyimide _lms with sequential evaporation technique (T.F. Qi, Y.G. Wu, Y. Wang, L. Zhang, X.Y. Lin, G.X. Tian, H.F. Jiao, L.Y. Chen), In High Power Laser and Particle Beams, volume 10, 2005.
13. Computer simulation for change of reected color in _lm thickness control process (T.F. QI, Y. Wu, X. Lin, G. Tian, Y. Wang), In Vacuum, pp. 01, 2005.