Supplementary Information for Unconventional Josephson Effect in Hybrid Superconductor-Topological Insulator Devices

J. R. Williams, A. J. Bestwick, P. Gallagher, Seung Sae Hong, Y. Cui, 4 Andrew S. Bleich, J. G. Analytis, 4 I. R. Fisher, 4 and D. Goldhaber-Gordon Department of Physics, Stanford University, Stanford, CA 94305, USA Department of Applied Physics, Stanford University, Stanford, CA 94305, USA Department of Material Science, Stanford University, Stanford, CA 94305, USA Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA. Geballe Laboratory for Advanced Materials, Stanford University, Stanford, CA 94305, USA (Dated: May 9, 2012)