Lera

• B-Fe-Ho
• Ba-Cu-O-Tm
• B-Fe-H-Ho
• Bi-Ca-Cu-O-Sr
• B-Fe-Tm
• magnetic properties
• magnetic susceptibility
• magnetic transitions
• temperature for magnetic transition
• transitional
• rare earth
• lanthanoid
• ferromagnetic
• metal
• tetragonal
• orthorhombic
• monoclinic