English
Related papers

Related papers: Non-Hysteretic Condition in Negative Capacitance J…

200 papers

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…

In this paper, we take a fresh look at the physics and operation of Negative Capacitance FETs, and provide unambiguous feedback to the device designers by examining NC-FETs' design space for sub-60 mV/dec Subthreshold Swing (SS).…

Applied Physics · Physics 2018-09-24 Wei Cao , Kaustav Banerjee

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 presents a generalization of the charge-based model for ultrathin junctionless double-gate (JLDG) field-effect transistors (FETs) by including quantum electron density. The analytical derivation relies on a first-order correction…

Applied Physics · Physics 2018-10-17 Majid Shalchian , Farzan Jazaeri , Jean-Michel Sallese

Negative capacitance can be used to overcome the lower limit of subthreshold swing (SS) in field effect transistors (FETs), enabling ultralow-power microelectronics, though the concept of ferroelectric negative capacitance remains…

Applied Physics · Physics 2024-09-11 Yuchu Qin , Jiangyu Li

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

Heat capacity measurements on the prototypical three-dimensional random-field Ising model compound Fe0.58Zn0.42F2 have been performed in both of the field-cooling (FC) and zero-field-cooling (ZFC) procedures. There is no evidence of…

Materials Science · Physics 2009-10-31 J. Satooka , H. Aruga Katori , A. Tobo , K. Katsumata

We present a thorough analysis of the foundations of models of stabilization of negative capacitance (NC) in a ferroelectric (FE) layer by capacitance matching to a dielectric layer, which claim that the FE is stabilized in a low…

Mesoscale and Nanoscale Physics · Physics 2020-03-03 J. A. Kittl , J. -P. Locquet , M. Houssa , V. V. Afanasiev

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 we revisit the theory of negative capacitance, in a (i) standalone ferroelectric, (ii) ferroelectric-dielectric, and (iii) ferroelectric-semiconductor series combination, and show that it is important to minimize the total…

Mesoscale and Nanoscale Physics · Physics 2016-05-24 Kausik Majumdar , Suman Datta , Satyavolu Papa Rao

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

Integrated circuits (ICs) that can operate at high temperature have a wide variety of applications in the fields of automotive, aerospace, space exploration, and deep-well drilling. Conventional silicon-based complementary…

Applied Physics · Physics 2021-06-21 Mitsuaki Kaneko , Masashi Nakajima , Qimin Jin , Tsunenobu Kimoto

In this paper, an analytical predictive model of interface charge traps in symmetric long channel double-gate junctionless transistors is proposed based on a charge-based model. Interface charge traps arising from the exposure to chemicals,…

Applied Physics · Physics 2020-01-08 Amin Rassekh , Farzan Jazaeri , Morteza Fathipour , Jean-Michel Sallese

Junctionless Nanowire Field-Effect Transistors (JNFETs), where the channel region is uniformly doped without the need for source-channel and drain-channel junctions or lateral doping abruptness, are considered an attractive alternative to…

Emerging Technologies · Computer Science 2014-04-02 Mostafizur Rahman , Pritish Narayanan , Csaba Andras Moritz

We analyse hysteresis in a one-dimensional anti-ferromagnetic random field Ising model at zero-temperature. The random field is taken to have a rectangular distribution of width $2 \Delta$ centered about the origin. A uniform applied field…

Condensed Matter · Physics 2009-10-31 Prabodh Shukla , Ratnadeep Roy , Emilia Ray

We analyze the thermodynamic properties of the spin-S two-dimensional quantum Heisenberg antiferromagnet on a square lattice with nearest and next-nearest neighbor couplings in the Neel phase (J_2/J_1<0.4) employing the quantum hierarchical…

Strongly Correlated Electrons · Physics 2009-11-11 Leonardo Spanu , Alberto Parola

We experimentally investigate capacitance response of a thick ferroelectric GeTe single-crystal flake on the Si/SiO2 substrate, where p-doped Si layer serves as a gate electrode. We confirm by resistance measurements, that for…

Mesoscale and Nanoscale Physics · Physics 2022-12-16 N. N. Orlova , A. V. Timonina , N. N. Kolesnikov , E. V. Deviatov

This brief proposes an analytical approach to model the dc electrical behavior of extremely narrow cylindrical junctionless nanowire field-effect transistor (JLNW-FET). The model includes explicit expressions, taking into account the…

Applied Physics · Physics 2021-08-18 Danial Shafizade , Majid Shalchian , Farzan Jazaeri

Recent results on the gapless 2SC phase are reviewed. These include: the thermal stability under the constraint of the local charge neutrality condition, the properties at zero and nonzero temperatures, and the color screening properties.

High Energy Physics - Phenomenology · Physics 2017-08-23 Mei Huang , Igor A. Shovkovy

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
‹ Prev 1 2 3 10 Next ›