High-temperature redistribution of cation vacancies and irreversible magnetic transitions in the FeS nanodisks observed by the Mössbauer spectroscopy and magnetic measurements. - Lyubutin, Igor; Lin, Chun-Rong; Lu, Shin-Zong; Siao, Yu-Jhan; Korzhetskiy, Yuriy; Dmitrieva, Tatyana; Dubinskaya, Yuliya; Pokatilov, Vyacheslav; Konovalova, Anastasiya (Journal of Nanoparticle Research, 2011)