Koumoulis, D.; Panopoulos, N.; Reyes, A.; Fardis, M.; Pissas, M.; Douvalis, A.; Bakas, T.; Argyriou, D.N.; Papavassiliou, G.: Direct NMR Evidence of Phase Solitons in the Spin Ground State of Overdoped Manganites. Physical Review Letters 104 (2010), p. 077204/1-4
10.1103/PhysRevLett.104.077204