Cui Yu, Chuangjie Zhou, Jianchao Guo, 等. Hydrogen-terminated diamond MOSFETs on (0 0 1) single crystal diamond with state of the art high RF power density[J]. Functional Diamond, 2022,2(1):64-70.
Cui Yu, Chuangjie Zhou, Jianchao Guo, et al. Hydrogen-terminated diamond MOSFETs on (0 0 1) single crystal diamond with state of the art high RF power density[J]. Functional Diamond2022, 2(1): 64-70.
Cui Yu, Chuangjie Zhou, Jianchao Guo, 等. Hydrogen-terminated diamond MOSFETs on (0 0 1) single crystal diamond with state of the art high RF power density[J]. Functional Diamond, 2022,2(1):64-70. DOI: 10.1080/26941112.2022.2082853.
Cui Yu, Chuangjie Zhou, Jianchao Guo, et al. Hydrogen-terminated diamond MOSFETs on (0 0 1) single crystal diamond with state of the art high RF power density[J]. Functional Diamond2022, 2(1): 64-70. DOI: 10.1080/26941112.2022.2082853.
Hydrogen-terminated diamond MOSFETs on (0 0 1) single crystal diamond with state of the art high RF power density
摘要
Abstract
Diamond field-effect transistor (FET) has great application potential for high frequency and high power electronic devices. In this work
diamond FETs were fabricated on (0 0 1) single crystal diamond with homoepitaxial layer. The nitrogen impurity content in the homoepitaxial layer is greatly decreased as measured by the Raman and photoluminescence spectra. The diamond field effect transistor with 100 nm Al
2
O
3
as gate dielectric shows ohomic contact resistance of 35 Ω . mm
maximum drain saturation current density of 500 mA/mm
and maximum transconductance of 20.1 mS/mm. Due to the high quality of Al
2
O
3
gate dielectric and single crystal diamond substrate
the drain work voltage of −58 V is achieved for the diamond FETs. A continuous wave output power density of 4.2 W/mm at 2 GHz is obtained. The output power densities at 4 and 10 GHz are also improved and achieve 3.1 and 1.7 W/mm
respectively. This work shows the application potential of single crystal diamond for high frequency and high power electronic devices.
关键词
Keywords
references
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