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We have fabricated air-stable n-type, ambipolar carbon nanotube field effect transistors (CNFETs), and used them in nanoscale memory cells. N-type transistors are achieved by annealing of nanotubes in hydrogen gas and contacting them by…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 M. Radosavljevic , M. Freitag , K. V. Thadani , A. T. Johnson

Full Adder is one of the critical parts of logical and arithmetic units. So, presenting a low power full adder cell reduces the power consumption of the entire circuit. Also, using Nano-scale transistors, because of their unique…

Hardware Architecture · Computer Science 2014-11-11 Ali Ghorbani , Ghazaleh Ghorbani

Gate-all-around Vertical Nanowire Field Effect Transistors (VNWFET) are emerging devices, which are well suited to pursue scaling beyond lateral scaling limitations around 7nm. This work explores the relative merits and drawbacks of the…

Systems and Control · Electrical Eng. & Systems 2020-05-29 C. Mukherjee , M. Deng , F. Marc , C. Maneux , A. Poittevin , I. OConnor , S. Le Beux , A. Kumar , A. Lecestre , G. Larrieu

Complementary metal oxide semiconductor technology (CMOS) has been faced critical challenges in nano-scale regime. CNTFET (Carbon Nanotube Field effect transistor) technology is a promising alternative for CMOS technology. In this paper, we…

Hardware Architecture · Computer Science 2013-03-12 Samira Shirinabadi Farahani , Ronak Zarhoun , Mohammad Hossein Moaiyeri , Keivan Navi

Carbon nanotube field-effect transistor (CNTFET) refers to a field-effect transistor that utilizes a single carbon nanotube or an array of carbon nanotubes as the channel material instead of bulk silicon in the traditional MOSFET structure.…

Emerging Technologies · Computer Science 2012-03-12 Naagesh S. Bhat

The increased memory demands of workloads is putting high pressure on Last Level Caches (LLCs). Unfortunately, there is limited opportunity to increase the capacity of LLCs due to the area and power requirements of the underlying SRAM…

Hardware Architecture · Computer Science 2021-12-21 Apostolos Kokolis , Namrata Mantri , Shrikanth Ganapathy , Josep Torrellas , John Kalamatianos

Carbon Nanotube (CNT) appears as a promising candidate to shrink field-effect transistors (FET) to the nanometer scale. Extensive experimental works have been performed recently to develop the appropriate technology and to explore DC…

Other Condensed Matter · Physics 2009-11-13 H. Cazin d'Honincthun , S. Galdin-Retailleau , A. Bournel , P. Dollfus , J. -P. Bourgoin

Speed is a major concern for high density VLSI networks. In this paper the closed form delay model for current mode signalling in VLSI interconnects has been proposed with resistive load termination. RLC interconnect line is modelled using…

Emerging Technologies · Computer Science 2014-12-30 Sunil Jadav , Munish Vashistah , Rajeevan Chandel

With technology scaling, the size of cache systems in chip-multiprocessors (CMPs) has been dramatically increased to efficiently store and manipulate a large amount of data in future applications and decrease the gap between cores and…

Hardware Architecture · Computer Science 2022-01-04 Pooneh Safayenikoo , Arghavan Asad , Mahmood Fathy

Spin-Transfer Torque RAM (STT-RAM) is widely considered a promising alternative to SRAM in the memory hierarchy due to STT-RAM's non-volatility, low leakage power, high density, and fast read speed. The STT-RAM's small feature size is…

Hardware Architecture · Computer Science 2019-08-12 Kyle Kuan , Tosiron Adegbija

Carbon nanotube field-effect transistors (CNT FETs) are regarded as promising candidates for next-generation energy-efficient computing systems. While research has employed the lift-off process to demonstrate the performance of CNT FETs,…

Applied Physics · Physics 2024-11-18 Xilong Gao , Jia Si , Zhiyong Zhang

Convolutional Neural Networks (CNNs) have proven to be extremely accurate for image recognition, even outperforming human recognition capability. When deployed on battery-powered mobile devices, efficient computer architectures are required…

Hardware Architecture · Computer Science 2020-10-05 Mehdi Ahmadi , Shervin Vakili , J. M. Pierre Langlois

Carbon Nanotube Field Effect Transistor (CNFET) is a promising new technology that overcomes several limitations of traditional silicon integrated circuit technology. In recent years, the potential of CNFET for analog circuit applications…

Emerging Technologies · Computer Science 2012-05-10 Ishit Makwana , Vitrag Sheth

In recent years, researchers have explored use of non-volatile devices such as STT-RAM (spin torque transfer RAM) for designing on-chip caches, since they provide high density and consume low leakage power. A common limitation of all…

Hardware Architecture · Computer Science 2013-11-01 Sparsh Mittal

High performance enhancement mode semiconducting carbon nanotube field-effect transistors (CNTFETs) are obtained by combining ohmic metal-tube contacts, high dielectric constant HfO2 films as gate insulators, and electrostatically doped…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Ali Javey , Jing Guo , Damon B. Farmer , Qian Wang , Dunwei Wang , Roy G. Gordon , Mark Lundstrom , Hongjie Dai

Modern multicore processors are employing large last-level caches, for example Intel's E7-8800 processor uses 24MB L3 cache. Further, with each CMOS technology generation, leakage energy has been dramatically increasing and hence, leakage…

Hardware Architecture · Computer Science 2013-10-17 Sparsh Mittal

Side-channel attacks have empowered bypassing of cryptographic components in circuits. Power side-channel (PSC) attacks have received particular traction, owing to their non-invasiveness and proven effectiveness. Aside from prior art…

Cryptography and Security · Computer Science 2020-07-09 Johann Knechtel , Satwik Patnaik , Mohammed Nabeel , Mohammed Ashraf , Yogesh S. Chauhan , Jörg Henkel , Ozgur Sinanoglu , Hussam Amrouch

A new DC thermal model of Carbon Nanotube Field Effect Transistors (CNTFETs) is proposed. The model is based on a number of fitting parameters depending on bias conditions by third order polynomials. The model includes three thermal…

Computational Physics · Physics 2015-03-18 Roberto Marani , Anna Gina Perri

Using a tight-binding mode-space NEGF technique, we explore the essential physics, design and performance potential of the III-V core-shell (CS) nanowire (NW) heterojunction TFET. The CS TFET line-tunneling current increases significantly…

Mesoscale and Nanoscale Physics · Physics 2021-02-05 Aryan Afzalian , Gerben Doornbos , Tzer-Min Shen , Matthiass Passlack , Jeff Wu

This paper presents a ternary half adder and a 1-trit multiplier using carbon nanotube transistors. The proposed circuits are designed using pass transistor logic and dynamic logic. Ternary logic uses less connections than binary logic, and…

Emerging Technologies · Computer Science 2021-10-07 Farzin Mahboob-Sardroudi , Mehdi Habibi , Mohammad-Hossein Moaiyeri