Ojha

• B-Mg
• B-C-Eu-Mg
• B-C-Mg-Pr
• B-C-Mg
• La-Nd-O-Tl
• superconductivity
• structural properties
• critical current density
• values of critical current density
• critical magnetic field
• chalcogen
• transitional
• alkaline
• metalloid
• diamagnetic
• hexagonal