Vicinage effect on secondary-electron emission in the forward direction from amorphous carbon foils induced by swift C ionsY. Takahashi, K. Narumi, A. Chiba, Y. Saitoh, K. Yamada, N. Ishikawa, H. Sugai and Y. MaedaEPL, 88 6 (2009) 63001DOI: https://doi.org/10.1209/0295-5075/88/63001