Khai D. T. Ngo
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Open sensing: An interactive online tool for environmental data collection, monitoring, analysis, and modelling for custom environmental sensor devices Open
Open Sensing (OS) is an open-source environmental monitoring and analysis platform addressing the critical need for accessible, granular environmental data in vulnerable communities. As urbanization accelerates globally, existing monitorin…
Heterogeneous Integration Technologies for High-temperature, High-density,Low-profile Power Modules of Wide Bandgap Devices in Electric DriveApplications Open
The goal of this project is to develop packaging technologies for making high-temperature, high-density, and low-profile wide-bandgap (WBG) power electronics modules for electric drives. These modules are aimed at enabling the DOE’s Univer…
20-kV GaN Switch Technology Demonstrated in High-Efficiency Medium-Voltage Power Module Open
GaN holds significant potential as a material for vertical p-n diodes, enabling the realization of devices with reverse breakdown voltages of 5 kV or higher. Carbon serves as the primary compensating dopant in the growth process, incorpora…
Multilayer capacitor suitable for substrate integration and multimegahertz filtering Open
A multilayer capacitor comprises stacked, spaced-apart electrodes of sheet form, dielectric layers between the electrodes, and first and second groups of spaced-apart conductive vias extending transversely of the sheet-form electrodes and …
TA02-14: Neutron response of EJ-276 and 7CLYC scintillators for characterization of the new NILE facility Open
RADNEXT Transnational Access Summary Report
View article: Improved Measurement Accuracy for Junction-to-Case Thermal Resistance of GaN HEMT Packages by Gate-to-Gate Electrical Resistance and Stacking Thermal Interface Materials
Improved Measurement Accuracy for Junction-to-Case Thermal Resistance of GaN HEMT Packages by Gate-to-Gate Electrical Resistance and Stacking Thermal Interface Materials Open
International audience
New Way of Generating Electromagnetic Waves Open
This paper presents a new method for generating low-frequency electromagnetic waves for navigation and communication in challenging environments, such as underwater and underground. The main idea is to store magnetic energy in two differen…
A Double-Side Cooled SiC MOSFET Power Module With Sintered-Silver Interposers: I-Design, Simulation, Fabrication, and Performance Characterization Open
Planar, double-side cooled power modules are emerging in electric-drive inverters because of their low profile, better heat extraction, and lower package parasitic inductances. However, there is still a concern about their reliability due …
View article: Electrification Annual Progress Report (FY2019)
Electrification Annual Progress Report (FY2019) Open
During fiscal year 2019 (FY 2019), the U.S. Department of Energy (DOE) Vehicle Technologies Office (VTO) funded early stage research & development (R&D) projects that address Batteries and Electrification of the U.S. transportation sector.…
Circuit Modeling of the Mechanical-Motion Rectifier for Electrical Simulation of Ocean Wave Power Takeoff Open
As is the case with several other mechanical power takeoffs (PTOs), the mechanical-motion-rectifier (MMR) based PTO consists of components such as one-way clutches, gears, a ball screw, mechanical couplings, and a generator. Equivalent cir…
A (Permalloy + NiZn Ferrite) Moldable Magnetic Composite for Heterogeneous Integration of Power Electronics Open
Soft magnetic moldable composites (SM2Cs) would be ideally suited for the integration of magnetic components in power electronic converters because they can be formed into magnetic cores by low-temperature and pressure-less processing. How…
Correlation between tunability and anisotropy in magnetoelectric voltage tunable inductor (VTI) Open
Electric field modulation of magnetic properties via magnetoelectric coupling in composite materials is of fundamental and technological importance for realizing tunable energy efficient electronics. Here we provide foundational analysis o…