Barium is a metal in group IIA of the periodic table with atomic number 56, an atomic weight of 137.34, and a density of 3.5 Mg/m 3. Its melting point is 714 C, and it boils at 1640 C. The electronic ...

For the buffer layers, they considered using CdS as well as new alkaline earth metal chalcogenides such as magnesium sulfide (MgS), calcium sulfide (CaS), strontium sulfide (SrS), and barium ...