University of Minnesota
School of Physics & Astronomy
Home > People >

Christopher Leighton

Graduate Faculty (Chem Eng & Mat Sci)

email leighton @ umn.edu
Picture1.jpg

Professor, Materials Science (2011 – present); Director of Undergraduate Studies in Materials Science (2010 – present); Graduate Faculty in Physics (2004 – present); McKnight Presidential fellow (2007-2010).

General Chair, MMM (Magnetism and Magnetic Materials) conference (Nov 2014); Editor, MMM conference, Scottsdale AZ (2011); Member, MMM Program Committee, Scottsdale AZ conference (2011); Member, IEEE Magnetics Letters Review Board (2011 – present); Secretary, Neutron Scattering Society of America (Jan 2011 to present); Member, MMM Program Committee, Atlanta conference (Aug 2010); Joint MMM/Intermag conference Program Chair for 2010 meeting, Washington DC (Jan 2010); Organizer, Nanomagnetism Focus Sessions, UMN Nanotechnology Workshop (Nov 2009); Co-organizer of the 2009 Telluride Science Research Center workshop on Competing Interactions and Colossal Responses in Transition Metal Oxides (Aug 2009); Organizer, Complex Oxide Tutorial, APS March Meeting (March 2009); Member, Intermag conference Program Committee, Sacramento conference (May 2009); Member, Review and Advisory Committee, Institute for Rock Magnetism, UMN (2009-present); Member, MMM conference Advisory Committee (2008-2014); Instructor, Los Alamos National Lab Neutron Summer School (July 2008); Member, MMM Program Committee, Austin conference (Nov 2008); Member, MMM Program Committee, Tampa conference (Aug 2007); Member, Proposal Review Committee of the Argonne National Lab Center for NanoMaterials (2007 – present); Member, Executive Committee, MN chapter of the AVS (2006 – present); Faculty mentor of the MN student chapter of the Material Advantage (2006 – 2010); Member, MMM Program Committee, Baltimore conference (Aug 2006); Organizer, APS March Meeting Focus Topic (10 sessions) on “Complex Multi-functional Oxides” (March 2006); Member, Proposal Review Committee of the Oak Ridge National Lab Center for Nanophase Materials Science (2006 – 2011); Abstract sorter, APS March Meeting (March 2006); Member, Materials Program Advisory Committee of the Los Alamos National Lab Neutron Science Center (2006 – present); Member, MMM Program Committee, San Jose conference (Nov 2005); Member, executive committee, APS Topical Group on Magnetism (GMAG) (2005 – 2008). Faculty mentor of the MN student chapter of the Materials Research Society (MRS) (2004 – 2008);

Current Research

Interplay between magnetism and electronic transport in novel magnetic materials, particularly oxides and highly polarized ferromagnets. Magnetic heterostructures and interface magnetism. Spin Transport. Nanostructured magnetic materials. Thin film growth, structural characterization, magnetic and magnetotransport measurements, and neutron scattering.

Selected Publications

M.A. Torija, M. Sharma, J. Gazquez, M. Varela, C. He, J. Schmitt, J.A. Borchers, M. Laver, S. El-Khatib, B.B. Maranville and C. Leighton, Chemically-driven nanoscopic magnetic phase separation at the SrTiO3(001)/La1-xSrxCoO3 interface, Advanced Materials 23 2711 (2011) [abstract]

J. Gazquez, W. Luo, M.P. Oxley, M. Prange, M.A. Torija, M. Sharma, C. Leighton, S.T. Pantiledes, S.J. Pennycook and M. Varela, Atomic resolution imaging of spin-state superlattices in nanopockets within cobaltite thin films, Nano. Lett. 11 973 (2011) [abstract]

M. Sharma, J. Gazquez, M. Varela, J. Schmitt and C. Leighton, Coercivity enhancement driven by interfacial magnetic phase separation in SrTiO3(001)/Nd0.5Sr0.5CoO3, Phys. Rev. B. 84 024417 (2011)

A. Baruth, M.D. Rodwogin, A. Shankar, M.A. Hillmyer and C. Leighton, Non lift-off block copolymer lithography of 25 nm magnetic nanodot arrays, ACS Applied Materials and Interfaces, 3 3472 (2011)

H. Hsu, P. Blaha, R.M. Wentzcovitch and C. Leighton, Cobalt spin states and hyperfine interactions in LaCoO3 investigated by LDA+U calculations, Phys. Rev. B. 82 100406 (2010) [abstract]

S. El-Khatib, S. Bose, C. He, J. Kuplic, M. Laver, J.A. Borchers, Q. Huang, J.W. Lynn, J.F. Mitchell and C. Leighton, Spontaneous formation of an exchange-spring composite via magnetic phase separation in Pr1-xCaxCoO3, Phys. Rev. B. Rapid Comm. 82 100411 (2010) [abstract]

A. Spinelli, M.A. Torija, C. Liu, C. Jan and C. Leighton, Electronic transport in doped SrTiO3: Conduction mechanisms and potential applications, Phys. Rev. B. 81 155110 (2010)

C. Utfeld, S.R. Giblin, J.W. Taylor, J.A. Duffy, C. Shenton-Taylor, J. Laverock, S.B. Dugdale, M. Manno, C. Leighton, M. Itou and Y. Sakurai, Bulk spin polarization of Co1-xFexS2, Phys. Rev. Lett. 103 226403 (2009) [abstract]

C. He, H. Zheng, J.F. Mitchell, M.L. Foo, R.J. Cava and C. Leighton, Low temperature Schottky anomalies in the specific heat of LaCoO3: Defect-stabilized finite spin-states, Appl. Phys. Lett. 94 102514 (2009) [abstract]

C. He, S. El-Khatib, S. Eisenberg, M. Manno, J.W. Lynn, H. Zheng, J.F. Mitchell and C. Leighton, Transport signatures of percolation and electronic phase inhomogeneity in La1-xSrxCoO3 single crystals, Appl. Phys. Lett. 95 222511 (2009)

Education

B.Sc. (Physics, 1st Class Honors), University of Durham, 1994,
Ph.D. (Condensed Matter Physics), University of Durham, 1998