Spin-dimensionality change induced by Co-doping in the chiral magnet Fe1−xCoxSiLei Zhang, Dirk Menzel, Hui Han, Chiming Jin, Haifeng Du, Jiyu Fan, Min Ge, Langsheng Ling, Changjin Zhang, Li Pi and Yuheng ZhangEPL, 115 6 (2016) 67006DOI: https://doi.org/10.1209/0295-5075/115/67006