tag: leakage current

Lateral 3 kV AlN SBDs on Bulk AlN Substrates By MOCVD
By Technical Paper Link - 27 Nov, 2023 - Comments: 0

A new technical paper titled "3 kV AlN Schottky Barrier Diodes on Bulk AlN Substrates by MOCVD" was published by researchers at Arizona State University. Abstract "This letter reports the first demonstration of AlN Schottky diodes on bulk AlN substrates by metalorganic chemical vapor phase deposition (MOCVD) with breakdown voltages exceeding 3 kV. The devices exhibited good rectifying char... » read more

What Designers Need To Know About GAA
By Brian Bailey - 13 Apr, 2023 - Comments: 0

While only 12 years old, finFETs are reaching the end of the line. They are being supplanted by gate-all-around (GAA), starting at 3nm [1], which is expected to have a significant impact on how chips are designed. GAAs come in two main flavors today — nanosheets and nanowires. There is much confusion about nanosheets, and the difference between nanosheets and nanowires. The industry still ... » read more

Design of a Mixed-signal ASIC for the front-end electronics of ionisation chambers
By Technical Paper Link - 23 May, 2022 - Comments: 0

New technical paper titled "An Ultra Low Current Measurement Mixed-Signal ASIC for Radiation Monitoring Using Ionisation Chambers," by researchers at CERN. Abstract "Measurement of total ionizing dose in a radiation field is efficiently carried out by ionisation chambers. The paper details the design of a mixed-signal ASIC for the front-end electronics of ionisation chambers. A single c... » read more

Always-On, Ultra-Low-Power Design Gains Traction
By Ann Mutschler - 14 Apr, 2022 - Comments: 0

A surge of electronic devices powered by batteries, combined with ever-increasing demand for more features, intelligence, and performance, is putting a premium on chip designs that require much lower power. This is especially true for always-on circuits, which are being added into AR/VR, automotive applications with over-the-air updates, security cameras, drones, and robotics. Also known as ... » read more

The Role of InGaN Quantum Barriers in Improving the Performance of GaN-based Laser Diodes
By Technical Paper Link - 21 Dec, 2021 - Comments: 0

Abstract: "In this work, different aspects which have influences on device performance of blue laser diodes (LDs) when using InGaN instead of GaN as quantum barrier (QB) layers are investigated theoretically and experimentally. In the modeling calculation, it is found that the threshold current of LDs with InGaN QB layers is reduced obviously, but the slope efficiency is not largely improved... » read more

Transition-Metal Nitride Halide Dielectrics for Transition-Metal Dichalcogenide Transistors
By Technical Paper Link - 20 Dec, 2021 - Comments: 0

Abstract "Using first-principles calculations, we investigate six transition-metal nitride halides (TMNHs): HfNBr, HfNCl, TiNBr, TiNCl, ZrNBr, and ZrNCl as potential van der Waals (vdW) dielectrics for transition metal dichalcogenide (TMD) channel transistors. We calculate the exfoliation energies and bulk phonon energies and find that the six TMNHs are exfoliable and thermodynamically stabl... » read more

Sensors Will Proliferate In SoCs
By Tim Penhale-Jones - 15 Oct, 2020 - Comments: 0

No one likes being put on the spot, and yet we all like a forecast…and as we all know, the only guarantee with a forecast is that it is wrong. Sports commentators have carved out a special niche for themselves with the ‘commentators curse:’ just as they extol the virtues of an individual or a team, the sporting gods prove them wrong in spectacular fashion! Governments are no better: econo... » read more

Power Management Becomes Top Issue Everywhere
By Ann Mutschler - 12 Mar, 2020 - Comments: 1

Power management is becoming a bigger challenge across a wide variety of applications, from consumer products such as televisions and set-top-boxes to large data centers, where the cost of cooling server racks to offset the impact of thermal dissipation can be enormous. Several years ago, low-power design was largely relegated to mobile devices that were dependent on a battery. Since then, i... » read more

Where Timing And Voltage Intersect
By Ed Sperling - 14 Feb, 2020 - Comments: 0

João Geada, chief technologist at ANSYS, talks about the limitations for power delivery networks and what processors can handle, why the current solutions to these issues are causing failures, and how voltage reduction can affect timing. » read more

Power Issues Grow For Cloud Chips
By Ann Mutschler - 11 Oct, 2018 - Comments: 0

Performance levels in traditional or hyperscale data centers are being limited by power and heat caused by an increasing number of processors, memory, disk and operating systems within servers. The problem is so complex and intertwined, though, that solving it requires a series of steps that hopefully add up to a significant reduction across a system. But at 7nm and below, predicting exactly... » read more

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