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Characterization of AlGaN/GaN HEMTs with Different Manufacturing Characteristics

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Author(s):
Panzo, E. C. ; Candido, J. ; Graziano, N., Jr. ; Simoen, E. ; Andrade, M. G. C.
Total Authors: 5
Document type: Journal article
Source: 2024 38TH SYMPOSIUM ON MICROELECTRONICS TECHNOLOGY AND DEVICES, SBMICRO 2024; v. N/A, p. 4-pg., 2024-01-01.
Abstract

This work presents the characterization of high mobility transistors (AlGaN/GaN HEMTs) produced with different techniques in the manufacturing process. The study performs a comparative analysis of the respective HEMTs. Here it is demonstrated that efficient HEMTs can be developed using 2 active implants without the need for specific heat treatment processes to create ohmic contacts or activate the device. The devices thus produced had higher drain current (I-d), output conductance (g(d)), transconductance (g(m)), field effect mobility (mu(eff)), effective mobility (mu(FE)) and low field mobility (mu(o)), in addition to lowest series resistance (R-SD), threshold voltage (V-T) and subthreshold slope (S). These results indicate that the adopted methodology not only simplifies the manufacturing process but also significantly improves the performance of HEMTs. (AU)

FAPESP's process: 23/00123-7 - TCAD simulation of advanced semiconductor devices
Grantee:Maria Glória Caño de Andrade
Support Opportunities: Regular Research Grants