Current-voltage characteristics of high resistivity CdTe

Author:

Iwase Y.,Ohno R.,Ohmori M.

Abstract

Current-voltage characteristics of high resistivity CdTe, with consideration to Schottky barrier height at the contact and defect levels in the band gap were investigated by experimental and numerical simulation methods. From the electron injection investigation, the density of electron traps corresponded to the doped Cl concentration in the crystal. Numerical simulation of current-voltage characteristics was made based on Schockley Read Hall (SRH) statistics. In the low bias region, calculated characteristics were in fairly close agreement with the experimental results for Pt/CdTe/Pt diode. The electric field was not uniform along the biased direction and an almost neutral region was present in the vicinity of anode contact even when the bias was applied.

Publisher

Springer Science and Business Media LLC

Subject

General Engineering

Cited by 9 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Investigation of CdTexand Cd1−xZnxTe Schottky Barrier Diode Structure Based γ-Ray Detectors;Materials and Manufacturing Processes;2007-03-19

2. Improvement of the spectral response in large CdTe detectors operating at low bias voltage;IEEE Transactions on Nuclear Science;2002-08

3. Response calculation of a stacked CdZnTe detector for 16N γ-ray measurement;Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment;2001-05

4. Study of CdTe and CdZnTe detectors for X-ray computed tomography;Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment;2001-02

5. High-resolution Schottky CdTe diode for hard X-ray and gamma-ray astronomy;Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment;1999-10

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