Magnetic and structural properties of Ni-substituted magnetoelectric Co${}_4$Nb${}_2$O${}_9$

Hadi Papi, Virgile Yves Favre, Hossein Ahmadvand +7

The magnetic and structural properties of polycrystalline Co${}_{4-x}$ Ni${}_x$ Nb${}_2$ O${}_9$ (x=1,2) have been investigated by neutron powder diffraction, magnetization and heat capaci…