• Core–shell behavior and exchange bias of Fe-doped CuO nanoparticles 

      Oliveira, Aline Alves; Valerio-Cuadros, Marlon Ivan; Brito, Alex Soares de; Tupan, Lilian Felipe da Silva; Ivashita, Flávio Francisco; Geshev, Julian Penkov; Paesano Junior, Andrea (2020) [Artigo de periódico]
      Cu1−xFexO nanoparticles were prepared using a freeze-drying process followed by heat treatment. The particles were then characterized using Mössbauer spectroscopy and magnetization techniques. The results revealed complex ...