@article{oai:nifs-repository.repo.nii.ac.jp:00006862, author = {Matsumoto, Y. and Nishiura, M. and Yamaoka, H. and Shinto, K. and Sasao, M. and Wada, M.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Improvement of H? Extraction Efficiency by Controlling the Plasma Potential Structure}, volume = {Annual Report Apr.2010 - Mar.2011}, year = {} }