Please use this identifier to cite or link to this item: http://repository.aaup.edu/jspui/handle/123456789/1108
Title: Design and characterization of Au/In4Se3/Ga2S3/C field effect transistors
Authors: A. F Qasrawi
k. khanfar, hazem$AAUP$Palestinian
m. khusayfan, najla $Other$Other
Keywords: k-In2Se3
Orthorhombic indium selenide
Double Schottky
Impedance
MOSFET
Issue Date: Mar-2018
Publisher: Results in Physics
Citation: Volume 8, March 2018, Pages 1239-1244
Abstract: In the current work, the structural and electrical properties of the In4Se3/Ga2S3 interfaces are investigated. The X-ray analysis which concern the structural evolutions that is associated with the substrate type has shown that the hexagonal j-In2Se3 and the selenium (rhombohedral) rich orthorhombic In4Se3 phases of InSe are grown onto glass and gold substrates, respectively, at substrate of temperature of 300 _x0001_C in a vacuum media. The coating of the j-In2Se3 and of In4Se3 with amorphous layer of Ga2S3 is accompanied with uniform strain. The In4Se3/Ga2S3 interface is found to be of attractive quantum confinement features as it exhibited a conduction and valence band offsets of 0.20 and 1.86 eV, respectively. When the Au/In4Se3/Ga2S3 interface was contacted with carbon metallic point contact, it reveals a back to back Schottky hybrid device that behaves typically as metal–oxidesemiconductor field effect transition (MOSFET). The depletion capacitance analysis of this device revealed built in voltage values of 1.91 and 1.64 V at the Au and C sides, respectively. The designed MOSFET which is characterized in the frequency domain of 0.01–1.80 GHz is observed to exhibit, resonance-anti-resonance phenomena associated with negative capacitance effect in a wide domain of frequency that nominate it for applications in electronic circuits as parasitic capacitance minimizer, bus switching speed enhancer and low pass/high pass filter at microwave frequencies.
URI: http://repository.aaup.edu/jspui/handle/123456789/1108
ISSN: https://doi.org/10.1016/j.rinp.2018.02.017
Appears in Collections:Faculty & Staff Scientific Research publications

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