1 Supporting Information For Quantifying the Hierarchical Order in SelfAligned Carbon Nanotubes from Atomic to Micrometer Scale Eric R. Meshot, 1 Darwin W. Zwissler, 1,† Ngoc Bui, 1 Tevye R. Kuykendall, 2 Cheng Wang, 3 Alexander Hexemer, 3 Kuang Jen J. Wu, 1 Francesco Fornasiero 1,* 1 Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550 USA 2 Molecular Foundry, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720 3 Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720 † Current address: Department of NanoEngineering, University of California, San Diego, La Jolla, California 92093 *Corresponding author email: fornasiero1@llnl.gov