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Floating gate transistor is the basic building block of non-volatile flash memory, which is one of the most widely used memory gadgets in modern micro and nano electronic applications. Recently there has been a surge of interest to…

Mesoscale and Nanoscale Physics · Physics 2015-08-12 Nahid M. Hossain , Masud H. Chowdhury

As conventional silicon technology is approaching its fundamental material and physical limits with continuous scaling, there is a growing push to look for new platform to design memory circuits for nanoelectronic applications. In this…

Mesoscale and Nanoscale Physics · Physics 2013-09-02 Md. Nahid Hossain , Masud H Chowdhury

The performance limits of the multilayer graphene nanoribbon (GNR) field-effect transistor (FET) are assessed and compared to those of monolayer GNR FET and carbon nanotube (CNT) FET. The results show that with a thin high-k gate insulator…

Mesoscale and Nanoscale Physics · Physics 2009-12-14 Yijian Ouyang , Hongjie Dai , Jing Guo

The read channel in Flash memory systems degrades over time because the Fowler-Nordheim tunneling used to apply charge to the floating gate eventually compromises the integrity of the cell because of tunnel oxide degradation. While…

Information Theory · Computer Science 2014-03-19 Tsung-Yi Chen , Adam R. Williamson , Richard D. Wesel

Tunneling field-effect transistors (FETs) have been intensely explored recently due to its potential to address power concerns in nanoelectronics. The recently discovered graphene nanoribbon (GNR) is ideal for tunneling FETs due to its…

Materials Science · Physics 2009-09-30 Pei Zhao , Jyotsna Chauhan , Jing Guo

Quantum annealing machines based on superconducting qubits, which have the potential to solve optimization problems faster than digital computers, are of great interest not only to researchers but also to the general public. Here, we…

Quantum Physics · Physics 2018-10-22 T. Tanamoto , Y. Higashi , T. Marukame , J. Deguchi

Memory devices operating due to the fast proton transfer (PT) process are proposed by means of the first-principles calculations. Writing an information is performed using the electrostatic potential of the scanning tunneling microscopy…

Mesoscale and Nanoscale Physics · Physics 2015-11-26 Malgorzata Wierzbowska

Graphene/carbon-nanotube (CNT) hybrid material can be useful in energy storage and nanoelectronic technologies. Here we address the CNT-oscillator encapsulated in a graphene-nanoribbon (GNR) trench as a novel design, and investigate its…

Mesoscale and Nanoscale Physics · Physics 2016-09-21 Eunae Lee , Jeong Won Kang , Ki-Sub Kim , Oh-Kuen Kwon

We present a graphene-based memory platform built on dual-gated field-effect transistors (GFETs). By integrating a lithographically defined metal patch directly atop the hexagonal boron nitride (hBN)-graphene channel, the device functions…

This paper reviews the current status of graphene transistors as potential supplement to silicon CMOS technology. A short overview of graphene manufacturing and metrology methods is followed by an introduction of macroscopic graphene field…

Mesoscale and Nanoscale Physics · Physics 2009-11-25 Max C. Lemme

Carbon nanotube field-effect transistors (CNT FETs) have been proposed as possible building blocks for future nano-electronics. But a challenge with CNT FETs is that they appear to randomly display varying amounts of hysteresis in their…

Synaptic memory consolidation has been heralded as one of the key mechanisms for supporting continual learning in neuromorphic Artificial Intelligence (AI) systems. Here we report that a Fowler-Nordheim (FN) quantum-tunneling device can…

Emerging Technologies · Computer Science 2022-06-30 Mustafizur Rahman , Subhankar Bose , Shantanu Chakrabartty

We propose an analytical device model for a graphene nanoribbon field-effect transistor (GNR-FET). The GNR-FET under consideration is based on a heterostructure which consists of an array of nanoribbons clad between the highly conducting…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. Ryzhii , A. Satou , V. Ryzhii , T. Otsuji

Graphene nanoribbons (GNRs) have been proposed as potential building blocks for field effect transistor (FET) devices due to their quantum confinement bandgap. Here, we propose a novel GNR device concept, enabling the control of both charge…

Mesoscale and Nanoscale Physics · Physics 2017-03-03 Peter Vancso , Imre Hagymasi , Levente Tapaszto

Multi-Valued Logic (MVL) has more than one logic level defined to represent data whereas binary logic has 2 logic levels. It has been shown that the MVL circuits use the circuit resources more effectively at different voltage levels with…

Digital Libraries · Computer Science 2025-02-18 Anindita Chattopadhyay , Pooja Desai , Vishwas P , Vasundhara Patel K. S

Vertical graphene-based device concepts that rely on quantum mechanical tunneling are intensely being discussed in literature for applications in electronics and optoelectronics. In this work, the carrier transport mechanisms in…

Mesoscale and Nanoscale Physics · Physics 2015-07-24 Sam Vaziri , Melkamu Belete , Eugenio Dentoni Litta , Anderson Smith , Grzegorz Lupina , Max C. Lemme , Mikael Östling

In graphene nanoribbons (GNRs), the lateral confinement of charge carriers opens a band gap, the key feature to enable novel graphene-based electronics. Successful synthesis of GNRs has triggered efforts to realize field-effect transistors…

Mesoscale and Nanoscale Physics · Physics 2018-06-05 Nils Richter , Zongping Chen , Alexander Tries , Thorsten Prechtl , Akimitsu Narita , Klaus Müllen , Kamal Asadi , Mischa Bonn , Mathias Kläui

The Fowler-Nordheim tunneling current formula has been widely used in the design of devices based on metal/insulator (metal/semiconductor) heterojunctions with triangle potential barriers, such as the flash memory. Here we adopt the model…

Mesoscale and Nanoscale Physics · Physics 2021-03-23 Zenghua Cai , Menglin Huang , Peng Zhou , Shiyou Chen

We present an atomistic three-dimensional simulation of graphene nanoribbon field effect transistors (GNR-FETs), based on the self-consistent solution of the 3D Poisson and Schroedinger equation with open boundary conditions within the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 G. Fiori , G. Iannaccone

Non-volatile flip-flops (NVFFs) using power gating techniques promise to overcome the soaring leakage power consumption issue with the scaling of CMOS technology. Magnetic tunnel junction (MTJ) is a good candidate for constructing the NVFF…

Emerging Technologies · Computer Science 2020-07-15 Ziyi Wang , Zhaohao Wang , Yansong Xu , Bi Wu , Weisheng Zhao
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