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Self-aligned single-dot memory devices and arrays were fabricated based on arsenic-assisted etching and oxidation effects. The resulting device has a floating gate of about 5-10 nm, presenting single-electron memory operation at room…

We report on a numerical investigation in which memory characteristics of double floating-gate (DFG) structure were compared to those of the conventional single floating-gate structure, including an interference effect between two cells. We…

介观与纳米尺度物理 · 物理学 2015-05-18 Tetsufumi Tanamoto , Kouichi Muraoka

We report on single-electron shuttling experiments with a silicon metal-oxide-semiconductor quantum dot at 300 mK. Our system consists of an accumulated electron layer at the Si/SiO_2 interface below an aluminum top gate with two additional…

量子物理 · 物理学 2015-03-19 K. W. Chan , M. Mottonen , A. Kemppinen , N. S. Lai , K. Y. Tan , W. H. Lim , A. S. Dzurak

In this paper we investigate "Warm Electron Injection" as a mechanism for NOR programming of double-gate SONOS memories through 2D full band Monte Carlo simulations. Warm electron injection is characterized by an applied VDS smaller than…

介观与纳米尺度物理 · 物理学 2011-01-04 G. Giusi , G. Iannaccone , U. Ravaioli

The same as in microprocessor fabrication, nonvolatile memory devices are facing the problem in device size scaling down, such as large leakage current density. High-k materials are considered to solve it. However, simply replacing low-k to…

介观与纳米尺度物理 · 物理学 2015-08-20 Jian Cui

A single-electron latch is a device that can be used as a building block for Quantum-dot Cellular Automata (QCA) circuits. It consists of three nanoscale metal "dots" connected in series by tunnel junctions; charging of the dots is…

介观与纳米尺度物理 · 物理学 2015-05-13 Alexei O. Orlov , Xiangning Luo , Kameshwar K. Yadavalli , Igor S. Beloborodov , Gregory L. Snider

Current portable memory device relies heavily on flash memory technology for its implementation. New generation of non-volatile memory is likely to replace floating gates, charge-trapping memory currently still suffering from inadequate…

应用物理 · 物理学 2023-03-27 Yifan Hu

We use the tip of an atomic force microscope (AFM) to charge floating metallic gates defined on the surface of a Si/SiGe heterostructure. The AFM tip serves as an ideal and movable cryogenic switch, allowing us to bias a floating gate to a…

介观与纳米尺度物理 · 物理学 2023-11-01 Artem O. Denisov , Gordian Fuchs , Seong W. Oh , Jason R. Petta

We investigate carrier transport in a single 22 nm-thick double-gated Si quantum well device, which has independent contacts to electrons and holes. Conductance, Hall density and Hall mobility are mapped in a broad double-gate voltage…

材料科学 · 物理学 2009-11-13 M. Prunnila , S. J. Laakso , J. M. Kivioja , J. Ahopelto

We have measured the low-frequency time instability known as charge offset drift of Si/SiO$_2$ single electron devices (SEDs) with and without an overall poly-Si top gate. We find that SEDs with a poly-Si top gate have significantly less…

We demonstrate an organic memory-transistor device based on a pentacene-gold nanoparticles active layer. Gold (Au) nanoparticles are immobilized on the gate dielectric (silicon dioxide) of a pentacene transistor by an amino-terminated…

We introduce a new functional nanoscale device, a single-electron heat diode, consisting of two quantum dots or metallic islands coupled to electronic reservoirs by tunnel contacts. Electron transport through the system is forbidden but the…

介观与纳米尺度物理 · 物理学 2011-06-21 Tomi Ruokola , Teemu Ojanen

We propose a direct experimental extraction technique for trapped charges and quantitative energy band diagrams in the FeFETs with metal-insulator-ferroelectric-insulator-semiconductor (MIFIS) structure, derived from the physical…

We introduce a design of electrically isolated floating bilayer GaAs quantum wells (QW) in which application of a large gating voltage controllably and highly reproducibly induces charges that remain trapped in the bilayer after removal of…

介观与纳米尺度物理 · 物理学 2021-06-16 Joonho Jang , Heun Mo Yoo , Loren N. Pfeiffer , Kenneth W. West , K. W. Baldwin , Raymond C. Ashoori

A split gate technique is used to form a lateral quantum dot in a two-dimensional electron gas of a modulation-doped silicon/silicon-germanium heterostructure. e-beam lithography was employed to produce split gates. By applying negative…

Nanogap engineering of low-dimensional nanomaterials, has received considerable interest in a variety of fields, ranging from molecular electronics to memories. Creating nanogaps at a certain position is of vital importance for the…

Superconducting electronics represents a promising technology, offering not only efficient integration with quantum computing systems, but also the potential for significant power reduction in high-performance computing. Nonetheless, the…

超导电性 · 物理学 2025-03-24 Leon Ruf , Angelo Di Bernardo , Elke Scheer

In this paper we investigate warm electron injection in a double gate SONOS memory by means of 2D full-band Monte Carlo simulations of the Boltzmann Transport Equation (BTE). Electrons are accelerated in the channel by a drain-to-source…

介观与纳米尺度物理 · 物理学 2009-11-13 G. Giusi , G. Iannaccone , M. Mohamed , U. Ravaioli

The advanced nanoscale integration available in silicon complementary metal-oxide-semiconductor (CMOS) technology provides a key motivation for its use in spin-based quantum computing applications. Initial demonstrations of quantum dot…

The classical two-capacitor paradox of the lost energy is revisited from an electronic circuit security stand-point. The paradox has been solved previously by various researchers, and the energy lost during the charging of capacitors has…

密码学与安全 · 计算机科学 2025-12-24 Raghvendra Pratap Singh , Baibhab Chatterjee , Shreyas Sen , Debayan Das
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