A joint research paper by Prof. Naotoshi Nakashima (Electrochemical Energy Conversion Division, I²CNER) and Doshisha University has been published in "Scientific Reports". 

■ Paper

Title: Self-Organized Micro-Spiral of Single-Walled Carbon Nanotubes

Authors: Keisuke Mae, Hideotshi Toyama, Erika Nawa-Okita, Daigo Yamamoto, Yong-Jun Chen, Kenichi Yoshikawa, Fumiyuki Toshimitsu, Naotoshi Nakashima, Kazunari Matsuda, and Akihisa Shioi

DOI: 10.1038/s41598-017-05558-9

Please refer to here for PDF version of the joint research paper.