[1] Penn State Univ, Ctr Dimens & Layered Mat 2, Dept Mat Sci & Engn, University Pk, PA 16802 USA
[2] Penn State Univ, Ctr Dimens & Layered Mat 2, Dept Phys, University Pk, PA 16802 USA
[3] Univ Cent Florida, Dept Mat Sci & Engn, Nanosci Technol Ctr, Orlando, FL 32826 USA
[4] Yale Univ, Sch Engn & Appl Sci, Dept Mech Engn & Mat Sci, New Haven, CT 06520 USA
[5] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA
[6] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA
[7] Purdue Univ, Birck Nanotechnol Ctr, W Lafayette, IN 47907 USA
[8] Purdue Univ, Dept ECE, W Lafayette, IN 47907 USA
[9] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA
[10] MIT, Dept Chem Engn, Cambridge, MA 02139 USA
[11] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA
[12] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA
[13] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[14] Air Force Lab, Mat & Mfg Directorate, Wright Patterson AFB, OH 45433 USA
[15] UES Inc, Beavercreek, OH 45432 USA
[16] Yale Univ, Dept Elect Engn, New Haven, CT 06511 USA
[17] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[18] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China
[19] Rice Univ, Dept Mat Sci & Nano Engn, Houston, TX 77005 USA
[20] Univ Texas Austin, Microelect Res Ctr, Austin, TX 78758 USA
[21] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA
[22] Penn State Univ, Dept Chem, University Pk, PA 16802 USA
[23] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA