Plasma confinement using biased electrode in TCABR tokamak - Nascimento, Ivan Cunha; Kuznetsov, Y K; Severo, José Helder Facundo; Fonseca, Antonio Manuel Marques; Elfimov, Artour; Bellintani, Valdemar; Machida, M; Heller, Maria Vittoria Adelina Prario; Galvão, Ricardo Magnus Osório; Sanada, Edson Kenzo; Elizondo, J I (Nuclear Fusion, 2005)