相关实验视频
Updated: Jan 29, 2026

06:53
Scanning SQUID Study of Vortex Manipulation by Local Contact
Published on: February 1, 2017
7.3K
触摸模式 SQUID-on-Tip 显微镜,靠近约瑟夫森交叉点
Matthijs Rog1, Tycho J Blom1, Daan B Boltje2
1Huygens-Kamerlingh Onnes Laboratory, Leiden University, 2300 RA Leiden, The Netherlands.
Nano letters
|January 27, 2026
概括
我们开发了一种新的触摸模式SQUID-on-tip技术,用于测量量子材料中的纳米级动态. 这种方法非侵入性地图像电流,磁力和消散,推进了量子芯片制造.
科学领域:
- 量子材料科学 量子材料科学
- 纳米技术纳米技术
- 凝聚物质物理学 凝聚物质物理学
背景情况:
- 了解纳米级动态对于量子材料和量子芯片开发至关重要.
- 在纳米尺度上测量电流和散射等不平衡性质仍然具有挑战性.
- 超导量子干扰装置 (SQUID) 为纳米尺度测量提供高磁和热灵敏度.
研究的目的:
- 为纳米级动态属性测量引入一种新的触摸模式SQUID-on-tip技术.
- 为了使复杂的纳米结构的多个物理性质的同时成像.
- 为研究外来材料和量子电路提供一种非侵入性的方法.
主要方法:
- 原子力显微镜与纳米SQUID传感器 (点击模式SQUID-on-tip) 的整合.
- 尽量减少纳米SQUID样本距离以提高灵敏度和飞机内磁场检测.
- 使用频率多重复合来同时获取数据.
- 使用近距离连接纳米SQUID与四探头电子读出.
主要成果:
- 同时成像纳米电流,磁性,消散和地形.
- 纳米级电流的分辨率低至100 nA.
- 在高波纹纳米结构上成功运行.
- 非侵入性捕获局部磁性,热和电子反应.
结论:
- 触摸模式SQUID-on-tip是一种强大的非侵入性技术,用于研究纳米级动力学.
- 该方法促进了量子材料研究和量子芯片制造的进步.
- 允许在微妙的量子系统中详细研究动态现象.
相关概念视频
What is a Mode?
25.9K
The mode is one of the commonly used measures of a central tendency. It is defined as the most frequent value in a data set.
There can be more than one mode in a data set if multiple values have the same highest frequency. For instance, suppose that the Statistics exam scores of 20 students are: 50; 53; 59; 59; 63; 63; 72; 72; 72; 72; 72; 76; 78; 81; 83; 84; 84; 84; 90; 93. Here, the mode is 72, as it occurs most frequently, five times.
A data set with two modes is called bimodal. For example,...
There can be more than one mode in a data set if multiple values have the same highest frequency. For instance, suppose that the Statistics exam scores of 20 students are: 50; 53; 59; 59; 63; 63; 72; 72; 72; 72; 72; 76; 78; 81; 83; 84; 84; 84; 90; 93. Here, the mode is 72, as it occurs most frequently, five times.
A data set with two modes is called bimodal. For example,...
25.9K
P-N junction
1.2K
A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
1.2K
Ventilatory Modes
1.5K
Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
1.5K
Modes of Standing Waves - I
4.0K
A close look at earthquakes provides evidence for the conditions appropriate for resonance, standing waves, and constructive and destructive interference. A building may vibrate for several seconds with a driving frequency matching the building's natural frequency of vibration; this produces a resonance that results in one building collapsing while the neighboring buildings do not. Often, buildings of a certain height are devastated, while other taller buildings remain intact. This...
4.0K
Modes of Standing Waves: II
1.7K
The starting point for expressing the modes of standing waves is understanding the boundary conditions that the waves must follow. The boundary conditions are derived from the physical understanding of how the standing waves are sustained, that is, how the vibrating particles of the medium behave at the boundaries imposed on them.
For a tube open at one end and closed at the other filled with air, the modes are such that there is always an antinode at the open end and a node at the closed end....
For a tube open at one end and closed at the other filled with air, the modes are such that there is always an antinode at the open end and a node at the closed end....
1.7K
MOSFET: Enhancement Mode
820
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
820

