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christian wurm
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I was wondering if it would be possible to determine if a Schottky diode was n-type of p-type (in the bulk) by only using I-V measurements?
The semiconductor type of a Schottky barrier can be determined by measuring the current-voltage (IV) characteristics of the device. This involves applying a small voltage across the barrier and measuring the resulting current. By analyzing the slope of the IV curve, the semiconductor type can be determined.
There are several factors that can affect the determination of semiconductor type using IV measurements. These include the temperature of the device, the doping concentration of the semiconductor material, and the contact resistance between the metal and semiconductor layers.
Yes, device aging can affect the determination of semiconductor type using IV measurements. As the device ages, its electrical properties may change, which can impact the IV characteristics and make it more difficult to accurately determine the semiconductor type.
Yes, there are some limitations to using IV measurements for determining semiconductor type of Schottky barriers. For example, if the barrier height is too low, the IV curve may not exhibit a clear slope and the semiconductor type may be difficult to determine.
Yes, there are alternative methods for determining the semiconductor type of Schottky barriers. These include capacitance-voltage (CV) measurements, which can provide information about the doping concentration of the semiconductor material, and X-ray photoelectron spectroscopy (XPS), which can analyze the chemical composition of the barrier and determine the semiconductor type.