tag: graphene

Research Bits: Aug. 8
By Jesse Allen - 08 Aug, 2022 - Comments: 0

Speeding NVM encryption Researchers from North Carolina State University propose a way to speed up encryption and file system performance for non-volatile memory (NVM). “NVMs are an emerging technology that allows rapid access to the data, and retains data even when a system crashes or loses power,” said Amro Awad, an assistant professor of electrical and computer engineering at North C... » read more

Graphene Nanoribbon Transistors Using Hydrocarbon Seeds (University of Wisconsin-Madison)
By Technical Paper Link - 20 Jun, 2022 - Comments: 0

New research paper titled "Graphene nanoribbons initiated from molecularly derived seeds" from researchers at University of Wisconsin-Madison with contributions from Argonne National Laboratory. Abstract "Semiconducting graphene nanoribbons are promising materials for nanoelectronics but are held back by synthesis challenges. Here we report that molecular-scale carbon seeds can be exploi... » read more

Improved graphene-base heterojunction transistor with different collector semiconductors for high-frequency applications
By Technical Paper Link - 10 Apr, 2022 - Comments: 0

New research paper from TU Dresden & others. Abstract "A new kind of transistor device with a graphene monolayer embedded between two n-typesilicon layers is fabricated and characterized. The device is called graphene-base heterojunction transistor (GBHT). The base-voltage controls the current of the device flowing from the emitter via graphene to the collector. The transit time for e... » read more

Silicon Thermo-Optic Switches with Graphene Heaters Operating at Mid-Infrared Waveband
By Technical Paper Link - 30 Mar, 2022 - Comments: 0

Abstract "The mid-infrared (MIR, 2–20 μm) waveband is of great interest for integrated photonics in many applications such as on-chip spectroscopic chemical sensing, and optical communication. Thermo-optic switches are essential to large-scale integrated photonic circuits at MIR wavebands. However, current technologies require a thick cladding layer, high driving voltages or may introduce h... » read more

2D materials for future heterogeneous electronics
By Technical Paper Link - 16 Mar, 2022 - Comments: 0

Abstract "Graphene and two-dimensional materials (2DM) remain an active field of research in science and engineering over 15 years after the first reports of 2DM. The vast amount of available data and the high performance of device demonstrators leave little doubt about the potential of 2DM for applications in electronics, photonics and sensing. So where are the integrated chips and enabled ... » read more

Vertical MoS2 transistors with sub-1-nm gate lengths
By Technical Paper Link - 15 Mar, 2022 - Comments: 0

Abstract "Ultra-scaled transistors are of interest in the development of next-generation electronic devices. Although atomically thin molybdenum disulfide (MoS2) transistors have been reported, the fabrication of devices with gate lengths below 1 nm has been challenging. Here we demonstrate side-wall MoS2 transistors with an atomically thin channel and a physical gate length of sub-1 nm ... » read more

Power/Performance Bits: Feb. 7
By Jesse Allen - 07 Feb, 2022 - Comments: 0

Stopping interference in integrated photonics Researchers at EPFL and Purdue University combined integrated photonics and MEMS to develop an electrically driven optical isolator-on-a-chip that transmits light in only one direction. Optical isolators are useful to prevent reflected light from other components compromising or interfering with an on-chip laser’s performance. They are often c... » read more

Design of strongly nonlinear graphene nanoelectromechanical systems in quantum regime
By Technical Paper Link - 10 Jan, 2022 - Comments: 0

ABSTRACT "We report on the analysis and design of atomically thin graphene resonant nanoelectromechanical systems (NEMS) that can be engineered to exhibit anharmonicity in the quantum regime. Analysis of graphene two-dimensional (2D) NEMS resonators suggests that with device lateral size scaled down to ∼10–30 nm, restoring force due to the third-order (Duffing) stiffness in graphene NE... » read more

The development of integrated circuits based on two-dimensional materials
By Technical Paper Link - 23 Nov, 2021 - Comments: 0

Abstract Two-dimensional (2D) materials could potentially be used to develop advanced monolithic integrated circuits. However, despite impressive demonstrations of single devices and simple circuits—in some cases with performance superior to those of silicon-based circuits—reports on the fabrication of integrated circuits using 2D materials are limited and the creation of large-scale circu... » read more

Graphene-based PUFs that are reconfigurable and resilient to ML attacks
By Technical Paper Link - 27 Jul, 2021 - Comments: 0

Researchers at Pennsylvania State University propose using graphene to create physically unclonable functions (PUFs) that are energy efficient, scalable, and secure against AI attacks. Abstract "Graphene has a range of properties that makes it suitable for building devices for the Internet of Things. However, the deployment of such devices will also likely require the development of s... » read more

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