Dr. Steven May

Assistant Professor

Contact Information

Education

• Ph.D. (Mat. Sci. Eng.) 2007, Northwestern University
• B.S. (Eng. Sci.) 2002, Penn State University

Current Position

• 2009 – present: Assistant Professor, Department of Materials Science and Engineering

Professional History

• 2007-2009: Postdoctoral Research Assistant, Materials Science Division, Argonne National Laboratory

Selected Publications

1. “Enhanced ordering temperatures in antiferromagnetic manganite superlattices.”  S. J. May, P. J. Ryan, J. L. Robertson, J.-W. Kim, T. S. Santos, E. Karapetrova, J. L. Zarestky, X. Zhai, S. G. E. te Velthuis, J. N. Eckstein, S. D. Bader and A. Bhattacharya.  Nature Materials 8, 892 (2009).
2. “Onset of metallic behavior in strained (LaNiO3)n/(SrMnO3)2 superlattices.” S. J. May, T. S. Santos, and A. Bhattacharya. Physical Review B 79, 115127 (2009).
3. “Tuning between the metallic antiferromagnetic and ferromagnetic phases of La1-xSr¬xMnO3 near x=0.5 by digital synthesis.” T. S. Santos, S. J. May, J. L. Robertson, and A. Bhattacharya.  Physical Review B 80, 155114 (2009).
4. “Magnetic depth profile of a modulation doped La1-xCaxMnO3 exchange-bias system.” A. Hoffmann, S. J. May, S. G. E. te Velthuis, S. Park, M. R. Fitzsimmons, G. Campillo, and M. E. Gomez.  Physical Review B 80, 052403 (2009).
5. “The metal-insulator transition and its relation to magnetic structure in (LaMnO3)2n/(SrMnO3)n superlattices.” A. Bhattacharya, S. J. May, S. G. E. te Velthuis, M. Warusawithana, X. Zhai, A. B. Shah, J.-M. Zuo, M. R. Fitzsimmons, S. D. Bader, and J. N. Eckstein. Physical Review Letters 100, 257203 (2008).
6. “Magnetically asymmetric interfaces in a (LaMnO3)/(SrMnO3) superlattice due to structural asymmetries.”  S. J. May, A. B. Shah, S. G. E. te Velthuis, M. R. Fitzsimmons, J. M. Zuo, X. Zhai, J. N. Eckstein, S. D. Bader, and A. Bhattacharya. Physical Review B 77, 174409 (2008).
7. “Negative magnetoresistance in metal/oxide/InMnAs tunnel junctions.”  S. J. May, P. J. Phillips, and B. W. Wessels.  Journal of Applied Physics 100, 053912 (2006).
8. “High field magnetoresistance in p-(In,Mn)As/n-InAs heterojunctions.” S. J. May and B. W. Wessels.  Applied Physics Letters 88, 072105 (2006).
9. “Ferromagnetic self-assembled quantum dots on semiconductor nanowires.” D. G. Ramlan, S. J. May, J. G. Zheng, J. E. Allen, B. W. Wessels, and L. J. Lauhon. Nano Letters 6, 50 (2006).
10. “Dendritic nanowire growth mediated by a self-assembled catalyst.” S. J. May, J. G. Zheng, B. W. Wessels, and L. J. Lauhon.  Advanced Materials 17, 598 (2005).

Honors and Awards

• Best Student Paper - 2006 IEEE Device Research Conference
• Richter Fellowship – 2006 McCormick School of Engineering, Northwestern University
• Young Scientist Award – 2005 Physics and Chemistry of Semiconductor Interfaces Conference
• Cabell Fellowship – 2002 McCormick School of Engineering, Northwestern University