Research Article

Physical, Optical, and Spectroscopic Studies on MgO-BaO-B2O3 Glasses

Table 2

Oxygen packing density (OPD), refractive index ( ), molar electronic polarizability ( ), oxide ion polarizability ( ), Urbach energy ( ), energy gap ( ), theoretical basicity ( ), experimental basisity ( ), and theoretical interaction parameter ( ) of the glass samples.

Glass codeOPD (g·atm/L) (×10−24) ΔE (eV) E opt (eV) A th
(eV) = 2 = 1/2 = 2/3

MBBC-0572.45010.322.810.592.8082.8493.1372.9420.66 1.0750.169
MBBC-1602.4499.782.670.742.8142.8463.0602.9380.641.0440.177
MBBC-2602.4469.722.660.372.8242.8533.3903.1950.621.0420.181
MBBC-3612.4439.572.620.462.8332.8563.1802.9990.611.0320.184
MBBC-4622.4379.402.570.442.8522.8443.1202.9330.591.0200.188
MBBC-5622.4199.362.480.612.9162.9183.1902.9460.580.9960.192