Photoelectrochemical Capacitance-Voltage Measurements in GaN

Document Type

Article

Publication Date

1998

Abstract

Photoelectrochemical etching of GaN, using a KOH solution and a 325 nm wavelength UV laser, has been used to obtain carrier concentration depth profiles. The photoelectrochemical capacitance-voltage measurements are supported with conventional depletion mode capacitance-voltage, secondary ion mass spectroscopy, and Hall measurements. The data show that steps in carrier concentration profiles can be accurately reproduced.

DOI

10.1007/s11664-998-0182-4


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