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関連する概念動画

The Resting Membrane Potential01:21

The Resting Membrane Potential

Overview
Resting Membrane Potential01:24

Resting Membrane Potential

The relative difference in electrical charge, or voltage, between the inside and the outside of a cell membrane, is called the membrane potential. It is generated by differences in permeability of the membrane to various ions and the concentrations of these ions across the membrane.
The Inside of a Neuron is More Negative
The membrane potential of a cell can be measured by inserting a microelectrode into a cell and comparing the charge to a reference electrode in the extracellular fluid. The...
Metal-Semiconductor Junctions01:24

Metal-Semiconductor Junctions

The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The semiconductor's...
MOSFET01:16

MOSFET

The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
MOS Capacitor01:25

MOS Capacitor

A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
MOSFET: Depletion Mode01:20

MOSFET: Depletion Mode

Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity arises...

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関連する実験動画

Updated: May 11, 2026

A Method for Growing Bio-memristors from Slime Mold
07:46

A Method for Growing Bio-memristors from Slime Mold

Published on: November 2, 2017

行方不明のメモリストが発見されました.

Dmitri B Strukov1, Gregory S Snider, Duncan R Stewart

  • 1HP Labs, 1501 Page Mill Road, Palo Alto, California 94304, USA.

Nature
|May 3, 2008
PubMed
まとめ
この要約は機械生成です。

研究者らは,理論上の第4の基本回路要素であるメモリスト (メモリーレジスタ) の物理モデルを特定した. この発見は,ナノスケールデバイス,特に二酸化チタンスイッチのヒステリックな振る舞いを説明します.

さらに関連する動画

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
08:07

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

Published on: March 9, 2019

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
09:49

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx

Published on: May 13, 2020

関連する実験動画

Last Updated: May 11, 2026

A Method for Growing Bio-memristors from Slime Mold
07:46

A Method for Growing Bio-memristors from Slime Mold

Published on: November 2, 2017

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
08:07

Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

Published on: March 9, 2019

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
09:49

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx

Published on: May 13, 2020

科学分野:

  • 固体物理学 固体物理学とは
  • ナノスケールエレクトロニクス
  • サーキット理論とは,回路の理論である.

背景:

  • レジスタ,コンデンサ,インダクターは,基本的受動回路要素である.
  • レオン・チュアは1971年に対称性論証に基づいてメモリスター (メモリーレジスタ) を理論化した.
  • メムリストールの実用的な物理モデルと例は,これまで欠けていました.

研究 の 目的:

  • メムリストアのための有用な物理モデルを提示する.
  • ナノスケールシステムでメムリスタンスがどのように発生するかを示します.
  • 電子機器におけるヒステリックな振る舞いを理解するための基礎を提供すること.

主な方法:

  • 単純な分析的な例を用いて説明します.
  • 結合された固体電子およびイオン輸送を調査する.
  • ナノスケールシステムに外部バイアス電圧を適用する.

主要な成果:

  • メムリスタンスは,結合された電子とイオン輸送を持つナノスケールシステムで自然に発生します.
  • メムリスターの物理的な基礎が確立されています.
  • この発見は,様々なナノスケールデバイスにおけるヒステリックな電流-電圧の振る舞いを説明するものである.

結論:

  • メムリストは物理的に実現可能な回路要素です.
  • この研究は,メムリスターの行動に関する基本的な理解を提供します.
  • この結果は,二酸化チタンのクロスポイントスイッチを含むナノスケールの電子機器に適用できます.