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. 2010 Sep 17;10(9):8604–8634. doi: 10.3390/s100908604

Figure 20.

Figure 20.

(a) Schematic diagram of the Zn0.76Mg0.24O p-n photodiode. (b) I-V plot of the homojunction diode in dark. The left inset gives the energy band diagram at equilibrium. The right inset gives the I-V plots of the p- and n-type ohmic contacts. (c) Spectral response of the Zn0.76Mg0.24O p-n photodiode with the reverse bias of 0 and 6 V. The inset shows the responsivity at 325 nm as a function of reverse bias. (d) The pulse response measurement on the Zn0.76Mg0.24O p-n photodiode excited by Nd:YAG pulsed laser with a 50 Ω impedance [85].