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Related papers: Getting to the Bottom of Negative Capacitance FETs

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The elegant simplicity of the device concept and the urgent need for a new "transistor" at the twilight of Moore's law have inspired many researchers in industry and academia to explore the physics and technology of negative capacitance…

Applied Physics · Physics 2019-03-12 Muhammad A. Alam , Mengwei Si , Peide D. Ye

Negative capacitance (NC) in ferroelectrics, which stems from the imperfect screening of polarization, is considered a viable approach to lower voltage operation in the field-effect transistors (FETs) used in logic switches. In this paper,…

Mesoscale and Nanoscale Physics · Physics 2017-08-07 Kwok Ng , Steven J. Hillenius , Alexei Gruverman

A comprehensive study of the scaling of negative capacitance FinFET (NC-FinFET) is conducted with TCAD. We show that the NC-FinFET can be scaled to "2.1nm node" and almost "1.5nm node" that comes two nodes after the industry "3nm node,"…

We report a strategy to design nanoscale cold-source field-effect transistors (CS-FETs) with bias-independent sub-60 mV/dec subthreshold swing (SS). By first-principles calculations and quantum-transport simulations, we reveal that the…

Mesoscale and Nanoscale Physics · Physics 2022-11-07 Kunyi Liu , Fei Lu , Yuan Li

In this paper we propose a modified structure of TFET incorporating ferroelectric oxide as the complementary gate dielectric operating in negative capacitance zone, called the Negative Capacitance Tunnel FET (NCTFET). The proposed device…

General Physics · Physics 2014-05-21 Nadim Chowdhury , S. M. Farhaduzzaman Azad , Quazi D. M. Khosru

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

Boltzmann tyranny poses a fundamental limit to lowering the energy dissipation of conventional MOS devices, a minimum increase of the gate voltage, i.e. 60 mV, is required for a 10-fold increase in drain-to-source current at 300 K. Negative…

Applied Physics · Physics 2018-04-30 Ali Saeidi , Farzan Jazaeri , Igor Stolichnov , Christian C. Enz , Adrian M. ionescu

It is well known that conventional Field Effect Transistors (FET's) require a change in the channel potential of at least 60 mV at 300K to effect a change in the current by a factor of ten, and this minimum subthreshold slope S puts a lower…

Mesoscale and Nanoscale Physics · Physics 2007-07-16 Sayeef Salahuddin , Supriyo Datta

We report on measurements and modeling of FE HfZrO/SiO2 Ferroelectric-Dielectric (FE-DE) FETs which indicate that many of the phenomena attributed to Negative Capacitance can be explained by a delayed response of ferroelectric domain…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Borna Obradovic , Titash Rakshit , Ryan Hatcher , Jorge Kittl , Mark S. Rodder

The observation of room temperature sub-60 mV/dec subthreshold slope (SS) in MOSFETs with ferroelectric (FE) layers in the gate stacks or in series with the gate has attracted much attention. Recently, we modeled this effect in the…

Mesoscale and Nanoscale Physics · Physics 2018-07-27 J. A. Kittl , B. Obradovic , D. Reddy , T. Rakshit , R. M. Hatcher , M. S. Rodder

The device concept of ferroelectric-based negative capacitance (NC) transistors offers a promising route for achieving energy-efficient logic applications that can outperform the conventional semiconductor technology, while viable operation…

Steep-slope $\beta$-Ga$_2$O$_3$ nano-membrane negative capacitance field-effect transistors (NC-FETs) are demonstrated with ferroelectric hafnium zirconium oxide in gate dielectric stack. Subthreshold slope less than 60 mV/dec at room…

Materials Science · Physics 2017-11-03 Mengwei Si , Lingming Yang , Hong Zhou , Peide D. Ye

In this paper, an analytical predictive model of the negative capacitance (NC) effect in symmetric long channel double-gate junctionless transistor is proposed based on a charge-based model. In particular, we have investigated the effect of…

This study simulated negative-capacitance double gate FinFETs with channel lengths ranging from 25nm to 100nm using TCAD. The results show that negative capacitance significantly reduces subthreshold swing as well as drain induced barrier…

Applied Physics · Physics 2021-04-08 Jhang-Yan Ciou , Sourav De , Chien-Wei-Wang , Wallace Lin , Yao-Jen Lee , Darsen Lu

To extend the Moores law in the 5 nm node, a large number of two dimensional (2D) materials and devices have been thoroughly researched, among which the cold metals 2H MS2 (M = Nb, Ta) with unique band structures are expected to achieve the…

Applied Physics · Physics 2021-12-07 Yiheng Yin , Zhaofu Zhang , Chen Shao , John Robertson , Yuzheng Guo

We analyze the distributions of electric potential and field, polarization and charge, and the differential capacitance of a silicon metal-oxide-ferroelectric field effect transistor (MOSFET), in which a gate insulator consists of thin…

Applied Physics · Physics 2022-08-30 Eugene A. Eliseev , Anna N. Morozovska , Lesya P. Yurchenko , Maksym V. Strikha

Ion-Sensitive Field-Effect Transistors (ISFETs) form a wide-spread technology for sensing, thanks to their label-free detection and intrinsic CMOS compatibility. Their current sensitivity, {\Delta}ID/ID, for a given {\Delta}pH, however, is…

Instrumentation and Detectors · Physics 2019-06-27 Francesco Bellando , Ali Saeidi , Adrian M. Ionescu

In this study, a SPICE model for negative capacitance vertical nanowire field-effect-transistor (NC VNW-FET) based on BSIM-CMG model and Landau-Khalatnikov (LK) equation was presented. Suffering from the limitation of short gate length…

Emerging Technologies · Computer Science 2020-02-11 Weixing Huang , Huilong Zhu , Kunpeng Jia , Zhenhua Wu , Xiaogen Yin , Qiang Huo , Yongkui Zhang

The study investigates the influence of negative capacitance on the transfer characteristics of vdW FETs on the heterophase of CIPS ferroelectric. Notably, a less pronounced NC resulting from the spatial distribution of the ferroelectric…

This paper analyzes the design space stability of negative capacitance double gate junctionless FETs (NCDG JLFET). Using analytical expressions derived from a charge-based model, we predict instability condition, hysteresis voltage, and…

Applied Physics · Physics 2022-02-02 Amin Rassekh , Farzan Jazaeri , Jean-Michel Sallese
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