Journal of Optoelectronics and Advanced Materials, vol.23, no.7-8, pp.339-347, 2021 (SCI-Expanded)
© 2021 National Institute of Optoelectronics. All rights reserved.The I-V characteristics of Au/(PVA-Fe3O4)/n-Si SBDs were measured in wide-temperature (80-320K) to specify the possible conduction-mechanisms (CMs). Structural characterization of (PVA-Fe3O4) interlayer was done using (XRD) which, confirmed that the formation of Fe3O4 nanostructures has spinel cubic-crystal structure and space group. The mean-size of clusters was found as 50-200 nm and nanostructure-size was found less than 20 nm from the SEM images. The forward bias Ln(I)-V characteristics show that barrier-height (BH) increasing with increasing temperature whereas ideality-factor (n) decreases. Such changes in the BH and n with temperature was successfully explained by thermionic-emission theory with Double-Gaussian-distribution (DGD) of the BHs.