Current–Voltage and Capacitance–Voltage Characteristics of Ni/p-Si (100) Schottky Diode Over a Wide Temperature Range

  • Rajender Kumar
  • Subhash Chand
Part of the Environmental Science and Engineering book series (ESE)


In this study the current–voltage (I–V) and capacitance–voltage (C–V) characteristics of metal semiconductor Ni/p-Si(100) based Schottky diode on p- type silicon measured over a wide temperature range (60–300 K) have been studied on the basis of thermionic emission diffusion mechanism and the assumption of a Gaussian distribution of barrier heights. The parameters ideality factor, barrier height and series resistance are determined by performing plots from the forward bias current–voltage (I–V) and reverse bias capacitance–voltage (C–V) characteristics. Thus, the barrier height for Ni/p-Si(100) Schottky diode obtained between 0.2053 and 0.513 eV, and the ideality factor (η) between 8.8792 and 2.4351 for 60–300 K range. A simple method, involving the use of ϕb versus 1/T data, is suggested to gather evidence for the occurrence of a Gaussian distribution of barrier heights and obtain value of standard deviation 0.06402 (60–300 K).


Schottky diode I–V and C–V characteristics Thermionic emission diffusion mechanism 


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© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Department of PhysicsNational Institute of TechnologyHamirpurIndia

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