The analysis of lateral distribution of barrier height in identically prepared Co/n-Si Schottky diodes |
| |
Authors: | G Güler Karata
Güllü
F Bakkalolu |
| |
Affiliation: | aDepartment of Physics, Faculty of Education, Adiyaman University, 02100 Adiyaman, Turkey;bDepartment of Physics, Faculty of Sciences and Arts, University of Kahramanmaraş Sütçü İmam, 46100 Kahramanmaraş, Turkey;cDepartment of Physics, Faculty of Sciences and Arts, Batman University, 72060 Batman, Turkey;dDepartment of Engineering Physics, Faculty of Engineering, Gaziantep University, 27310 Gaziantep, Turkey |
| |
Abstract: | We have studied the experimental linear relationship between ideality factors and barrier heights (BHs) for Co/n-Si metal–semiconductor (MS) structures with a doping density of about 1015 cm−3. The barrier heights for the Co/n-type Si metal–semiconductor structures from the current–voltage (I–V) characteristics varied from 0.64 to 0.70 eV, the ideality factor n varied from 1.18 to 1.26, and from reverse bias capacitance–voltage (C−2–V) characteristics the barrier height varied from 0.68 to 0.81 eV. The experimental barrier height distributions obtained from the I–V and C−2–V characteristics were fitted by a Gaussian distribution function, and their mean values were found to be 0.67 and 0.75 eV, respectively. Furthermore, the lateral homogeneous BH value of approximately 0.81 eV for Co/n-Si metal–semiconductor structures was obtained from the linear relationship between experimental effective BHs and ideality factors. |
| |
Keywords: | Silicon Metal– semiconductor structures Barrier height Ideality factor Inhomogeneity |
本文献已被 ScienceDirect 等数据库收录! |
|