Structural, Optical, and Dielectric Property Analysis of Co_0.7Zn_0.3Cr₂O₄ Chromite System

Abstract The present investigation mainly focuses on the process of characterization and synthesis of Zn‐doped CoCr 2 O 4 as Co 0.7 Zn 0.3 Cr 2 O 4 . The solid state reaction route method is used to synthesize this material. XRD data analysis has revealed that a single phased sample is prepared that acquired cubic structure (Fd3m). Raman spectrum of the Co 0.7 Zn 0.3 Cr 2 O 4 chromite sample reveals five distinct narrow bands at 190 (F 2g ), 435 (E g ), 505 (F 2g (2)), 535 (F 2g (3)), and 670 (A 1g ). The energy bandgap of the synthesized Co 0.7 Zn 0.3 Cr 2 O 4 chromite sample is determined to be 3.14 eV using UV–vis spectral analysis. Dielectric permittivity is witnessed to be high with low loss values. Loss characteristics further reveals resonance in the sample. In addition, the study emphasized on the conductivity nature of the sample also.