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相关概念视频

Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)01:20

Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)

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Two NMR-active nuclei bonded to a central atom can be involved in geminal or two-bond coupling. Geminal coupling is commonly seen between diastereotopic protons in chiral molecules and unsymmetrical alkenes, among others.
The central atom need not be NMR-active because its electrons are affected by the electron polarization of the spin-active atoms. However, spin information is transmitted less effectively than in one-bond coupling, and 2J values are usually weaker than 1J values. The energy of...
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Biasing of Metal-Semiconductor Junctions01:27

Biasing of Metal-Semiconductor Junctions

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Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
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相关实验视频

Updated: Sep 19, 2025

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

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中的2×2量子点阵列,具有完全可调节的对接互点合.

Wee Han Lim1,2, Tuomo Tanttu1,2, Tony Youn1

  • 1School of Electrical Engineering and Telecommunications, University of New South Wales (UNSW), Sydney, New South Wales 2052, Australia.

Nano letters
|June 16, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一个2D量子点阵列,用于可扩展的量子计算. 这种金属氧化物半导体自旋量子比特的进步对于构建更大,更耐故障的量子处理器至关重要.

关键词:
我们的MOSOS.量子点是一个量子点.是一种.鱼能力 鱼能力道合器 道合器

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Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
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相关实验视频

Last Updated: Sep 19, 2025

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

14.9K
Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
15:47

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

Published on: November 1, 2013

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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
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Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

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科学领域:

  • 量子计算是一种量子计算.
  • 半导体物理 半导体物理
  • 材料科学 材料科学 材料科学

背景情况:

  • 半导体自旋量子比特的线性数组已经超过了10个量子比特,但对于容错量子计算,需要扩展到2D.
  • 制造方面的挑战来自2D阵列中门电极密度增加,复杂化量子比特控制和纠.
  • 在密集的二维量子比特结构中,对于双量子比特操作,需要间歇交换门.

研究的目的:

  • 为了呈现一种新的2D数组的金属氧化物半导体 (MOS) 量子点.
  • 为了展示2D数组中所有邻近的量子点之间的可调节的间点合.
  • 为推进MOS自旋量子比特技术进入二维模式提供一个基本的基准.

主要方法:

  • 制造一个2D数组的MOS量子点.
  • 设备在4.2K时的特性.
  • 测量点间合的可调性和控制双点和三点点的配置.

主要成果:

  • 2D MOS量子点阵列表现出了特殊的可调性.
  • 该设备成功地形成并分离了双点和三点配置.
  • 实现了道合控制,每伏达30个十年.

结论:

  • 开发的2D量子点阵列解决了扩展量子处理器的关键制造和控制挑战.
  • 演示的可调节的间点合对于在密集的2D量子比特架构中实现双量子比特网关至关重要.
  • 这些发现提供了重要的技术反,并为未来的2D MOS自旋量子比特开发建立了基准.