Abstract
This study explores an investigation of the crystallographic, electronic, and magnetic properties of the europium-based bismuth selenide compound Eu(4)Bi(6)Se(13), with particular focus on its magnetic anisotropy. This compound adopts a monoclinic crystal structure classified under the P2(1)/m space group (#11). It exhibits distinctive structural features, including substantial Eu-Se coordination numbers (6 and 8), Bi-Se ladders, and linear chains of Eu atoms that propagate along the b-axis. Electronic resistivity assessments indicate that Eu(4)Bi(6)Se(13) exhibits metallic behavior. As the magnetic field is oriented along the b-axis, magnetic characterization reveals uniaxial magnetic anisotropy, with metamagnetic transitions appearing at approximately 12 kOe and a lower field. In the field below 10 kOe, the spin-flop transition is observed with possible domain-induced hysteresis. This behavior supports the identification of metamagnetic features in field-dependent measurements attributable to the europium spins.