Enhanced dielectric and optical properties of nanoscale barium hexaferrites for optoelectronics and high frequency application
Mohammed J1, 2, Suleiman A B2, Tchouank Tekou Carol T1, Hafeez H Y2, 3, Sharma Jyoti1, Maji Pradip K4, Kumar Sachin Godara5, Srivastava A K1, †
       

Variation of band gap with Dy3+–Cr3+