This README.txt file was generated on 2019/05/14 by Abhiram Reddy ------------------- GENERAL INFORMATION ------------------- 1. Title of Dataset: Source Data for "3D Morphological Characterization of Symmetry Breaking in Soft Matter Assemblies Across Supra- and Sub-unit Cell Scales" 2. Author Information First Author Contact Information Name: Xueyan Feng Institution: Rice University Address: Department of Material Science and Nano Engineering, Rice University, Houston, TX, 77005, USA Email: xf7@rice.edu Name: Abhiram Reddy Institution: University of Massachusetts, Amherst Address: Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, USA Email: abhiramreddy.a@gmail.com Corresponding Author Contact Information Name: Greg Grason Institution: University of Massachusetts Amherst Address: Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, USA Email: grason@mail.pse.umass.edu Name: Edwin Thomas Institution: Rice University Address: Department of Material Science and Nano Engineering, Rice University, Houston, TX, 77005, USA Email: elt@rice.edu --------------------- DATA & DIRECTORY OVERVIEW --------------------- List of Directories: A. Directory: SVSEM_Grain-1 Short description: Slice and view SEM tomography data from Grain 1 of PS-PDMS double gyroid (tiff stack). B. Directory: SVSEM_Grain-2 Short description: Slice and view SEM tomography data from Grain 2 of PS-PDMS double gyroid (tiff stack). C. Directory: SVSEM_Grain-3 Short description: Slice and view SEM tomography data from Grain 3 of PS-PDMS double gyroid (tiff stack). D. Directory: SCFT_Cubic Short description: Self-consistent field theory data for mean field cubic double gyroid phase, including 3D composition data (tiff stack) and input file for PSCF code (text). E. Directory: SCFT_Affine Short description: Affinely deformed transformation of cubic double SCFT gyroid to a triclinic symmetry matching that of SVSEM_Grain-1 (tiff stack). F. Directory: SCFT_Triclinic Short description: Self-consistent field theory data for mean field triclinic double gyroid phase, with the triclinic symmetry matching that of SVSEM_Grain-1, including 3D composition data (tiff stack) and input file for PSCF code (text). G. Directory: Analysis_Software Short description: Directory of Mathematica and MatLab codes written for analysis of tiff-stack intensity data (both SVSEM and SCF), including a README file (text) detailing the workflow and code usage, 5 Mathematica notebooks (.nb), 4 MatLab files (.m) and a subdirectory of 6 additional MatLab functions (.m). --------------------- EXPERIMENTAL & COMPUTATIONAL DATA INFORMATION --------------------- 1. Sample-specific information: The polystyrene-b-poly(dimethylsiloxane) (PS-PDMS) diblock copolymer sample, described in doi:10.1021/ma4013863 and doi:10.1002/polb.21838, was synthesized by sequential anionic polymerization of styrene and hexamethylcyclotrisiloxane. The polymer has number average molecular weights of 43.5 kg/mol (PS) and 29.0 kg/mol (PDMS) with an overall composition of 40% volume fraction PDMS and PDI of 1.04. The sample studied was slowly cast (1 week) from a 10 wt % solution (2ml) in toluene. After drying, the sample was heated to 60ยก C for 3 days with vacuum in order to remove any residual solvent. 2. Equipment-specific information: Slice and view SEM tomography Thermo Fisher Helios NanoLab 660 SEM/FIB DualBeam system was employed for data acquisition. A focused Ga ion beam (FIB) of 30 KeV with a beam current of 80 pA was used to mill the sample surface. A 1 KeV electron beam with beam current of 50 pA was used to image the sample surface with a Through Lens (TLD) secondary electron (SE) detector. Self-consistent field theory computations PSCF code (http://pscf.cems.umn.edu/) was used to perform self-consistent field theory calculations of diblock copolymer melts as described in doi: 10.1021/acs.macromol.6b00107 . 3. Date of data collection: 2017-2019