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We report, for the first time, a gate last process, used to fabricate Negative Capacitance field effect transistors (NCFETs) with Hf0.5Zr0.5O2 (HZO) as ferroelectric (FE) dielectric in a metal/ferroelectric/insulator/semiconductor (MFIS) configuration. Long channel NCFET's with HZO thickness down to 5 nm exhibit consistent switching behavior with switching slope (SSrev) below kT/q over four decades...
The subthreshold swing (SS) in MOSFETs is limited to 60 mV/dec change in drain current at room temperature by the Boltzmanr distribution of carriers, thus limiting its operating voltage (VD>SS×log Ion/IOFF). Ferroelectric FETs can achieve sub-60 mV/dec by harnessing the negative capacitance (NC) effect in a Ferroelectric (FE) material, thus enabling low voltage operation [1]. Previous works have...
Extracting inherent patterns from large data using decompositions of data matrix by a sampled subset of exemplars has found many applications in machine learning. We propose a computationally efficient algorithm for adaptive exemplar sampling, called fast exemplar selection (FES). The proposed algorithm can be seen as an efficient variant of the oASIS algorithm [1]. FES iteratively selects incoherent...
In the present study, iron-containing pyrochlores of the A2FeBO7 type (where A = Y, Gd, Eu and Dy; B = Sb and Nb) were synthesized by solid-state reaction of precursor oxides. The compounds were structurally and magnetically characterized by X-ray diffraction, Mössbauer spectroscopy and magnetic measurements. The results revealed that the crystallographic structures and magnetic properties depend,...
Proton MR Spectroscopy ('H MRS) offers a means for noninvasively determining hepatic lipids (HL) and provides acceptable spectral resolution and high sensitivity even with low amounts of HL. 1H-MRS is also used to accurately quantify the iron overload in the liver. In this work, we introduce a technique that allows the rapid, accurate and simultaneous assessment of fat and iron content which could...
In the present study, iron-containing pyrochlores of the A2FeBO7 type (where A = Y, Gd, Eu and Dy; B = Sb and Nb) were synthesized by solid-state reaction of precursor oxides. The compounds were structurally and magnetically characterized by X-ray diffraction, Mössbauer spectroscopy and magnetic measurements. The results revealed that the crystallographic structures and magnetic properties depend,...
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