| • | Physics Department Colloquium, "Intrinsic and extrinsic scattering in graphene", Missouri University of Science and Technology, Rolla, MO, Mar. 25, 2010. |
| • | Physics Department Colloquium, "Intrinsic and extrinsic scattering in graphene", University of Kentucky, Lexington, KY, Feb. 24, 2010. |
| • | Physics Department Colloquium, "Intrinsic and extrinsic scattering in graphene", University of Nebraska, Lincoln, NE, Feb. 18, 2010. |
| • | Physics Department Colloquium, "Intrinsic and extrinsic scattering in graphene", Lehigh University, Bethlehem, PA, Feb. 11, 2010. |
| • | Condensed Matter Seminar 290 K, "Intrinsic and extrinsic scattering in graphene", University of Californai, Berkeley, CA, Feb. 1, 2010. |
| • | Physics Department Colloquium, "Intrinsic and extrinsic scattering in graphene", West Virginia University, Morgantown, WV, Jan. 21, 2010. |
| • | Physics Department Colloquium, "Intrinsic and extrinsic scattering mechanisms in graphene", Northeastern University, Boston, MA, Nov. 16, 2009. |
| • | Seminar, "Mott transition devices: ferroelectric field effect studies of the correlated oxide La_{1-x}Sr_xMnO_3", IBM Watson Research Center, NY, May 24, 2006. |
| • | CRISP Seminar, "Nanoscale ferroelectric domain wall studies in epitaxial Pb(Zr,Ti)O_3 thin films", Yale MRSEC Center, Yale University, New Haven, CT, May 2006. |
| • | Seminar, "Ferroelectric Field Effect Studies of the Colossal Magnetoresistive Oxide La_{1-x}Sr_xMnO_3", Department of Physics, Penn State University, May 1, 2006. |
| • | Seminar, "Ferroelectric field effect studies of the colossal magnetoresistive oxide La_{1-x}Sr_xMnO_3? Department of Physics, Rutgers University, Apr. 20, 2006. |
| • | Monday Evening Seminar, "Ferroelectric field effect studies of anisotropic magnetoresistance in doped manganites", Department of Applied Physics, Yale University, New Haven, CT, Feb. 27, 2006. |
| • | SRC seminar, "Mott transition memory devices: ferroelectric field effect studies of the correlated oxide La_{1-x}Sr_xMnO_3? Advanced Micro Devices, Sunnyvale, CA, Oct. 3, 2005. |
| • | SRC Seminar, "Ferroelectric field effect modulation of the transport and magnetic properties of ultrathin colossal magnetoresistive oxides", Advanced Micro Devices, Sunnyvale, CA, Sep. 22, 2004. |
| • | Monday Evening Seminar, "Ferroelectric field effect modulation of the transport and magnetic properties of ultrathin colossal magnetoresistive oxides", Department of Applied Physics, Yale University, New Haven, CT, Jan. 12, 2004. |
| • | "Transport properties of fluorinated graphene", APS 2010 March Meeting, Portland, OR, Mar. 16, 2010. |
| • | "Efficient electrolyte gating of high mobility graphene", APS 2010 March Meeting, Portland, OR, Mar. 16, 2010. |
| • | Invited talk, "High mobility few-layer graphene devices fabricated on epitaxial Pb(Zr,Ti)O_3 gate oxides",21st International Symposium on Integrated Ferroelectrics and Functionalities, Colorado Springs, CO, Sep. 29, 2009. |
| • | "Quantum and transport scattering times in graphene", American Physical Society (APS) 2009 March Meeting, Pittsburg, PA, Mar. 17, 2009. |
| • | "High mobility few-layer graphene devices fabricated on epitaxial Pb(Zr,Ti)O_3 gate oxides", 15th International Workshop on Oxide Electronics, Estes Park, CO, Sep. 17, 2008. |
| • | "Field effect modulation of high mobility multilayer graphene devices using ferroelectric gate oxides", APS 2008 March Meeting, New Orleans, LA, Mar. 12, 2008. |
| • | "Electrostatic mapping of the phase diagram of colossal magnetoresistive oxides", Materials Research Society (MRS) 2006 Fall Meeting, Boston, MA, Nov. 30, 2006. |
| • | "Electric field effect studies of anisotropic magnetoresistance in doped manganites", MRS 2005 Fall Meeting, Boston, MA, Nov. 30, 2005. |
| • | "Electric field effect studies of anisotropic magnetoresistance in doped manganites", 12th International Workshop on Oxide Electronics, Cape Cod, MA, Oct. 5, 2005. |
| • | "Field effect modulation of the Hall effect in the colossal magnetoresistive oxide La_{1-x}Sr_xMnO_3", APS 2004 March Meeting, Montreal, Canada, Mar. 24, 2004. |
| • | "Ferroelectric field effect induced modulation of magnetism in the colossal magnetoresistive oxide La_{1-x}Sr_xMnO_3", MRS 2002 Fall Meeting, Boston, MA, Dec. 3, 2002. |
| • | "Electrostatic modulation of the magnetic properties of ultra-thin La1-xSrxMnO3 films using the ferroelectric field effect", 9th International Workshop on Oxide Electronics, Florida, Oct. 22, 2002. |
| • | "Ferroelectric field effect in ultrathin La1-xSrxMnO3 films" APS 2002 March Meeting, Indianapolis, IN, Mar. 19, 2002. |
| • | "Colossal negative magnetoresistance in dilute fluorinated graphene", Graphene Week 2010, College Park, MA, April 22, 2010. |
| • | "Colossal negative magnetoresistance in dilute fluorinated graphene", Materials Day, University Park, PA, March 31, 2010. |
| • | "High-mobility few-layer graphene field effect transistors fabricated on epitaxial ferroelectric gate oxides", Nanostructure Fabrication, Gordon Research Conference, Tilton, NH, July 13-18, 2008. |