Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Normal Strain under Axial Loading01:20

Normal Strain under Axial Loading

Normal strain under axial loading is an important concept in the field of mechanics of materials. Axial loading implies the application of a force along the axis of a material, like a column or bar. This force can either compress or stretch the material. In the context of axial loading, normal strain is the deformation experienced by the material in the direction of the loading force. It's calculated as the change in length divided by the original length of the material. This unitless ratio...
Three-Phase Short Circuit—Unloaded Synchronous Machine01:21

Three-Phase Short Circuit—Unloaded Synchronous Machine

Conducting a three-phase short circuit test on an unloaded synchronous machine helps understand its impact on the system. The AC fault current's oscillogram, with the DC offset removed, reveals that the waveform amplitude decreases from an initially high value to a steady-state level for one phase of the machine.
This behavior occurs due to the magnetic flux produced by the short-circuit armature currents. Initially, these currents follow high-reluctance paths but eventually shift to...

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Synthetic Tuning of Exciton-Phonon Coupling in Janus WS<sub>2(1‑<i>x</i>)</sub>Se<sub>2<i>x</i></sub> Monolayers Revealed by Resonant Raman Excitation Spectroscopy for Optoelectronic Applications.

ACS applied nano materials·2026
Same author

Spontaneous Polarization Suppression of Exciton-Exciton Annihilation in Rhombohedral-Stacked Bilayer Molybdenum Disulfide.

ACS nano·2026
Same author

Twist-Angle-Dependent Excitons in Moiré MoTe<sub>2</sub> Visualized by Cryogenic STEM and Monochromated EELS.

Nano letters·2026
Same author

Anticipating decoherence in quantum systems.

Nature communications·2026
Same author

A Versatile Method for Creating Ultrathin Films of Polyzwitterions with Antifouling Properties.

ACS applied materials & interfaces·2026
Same author

Ultrasensitive soft vibration sensors based on atomically thin metal dichalcogenide ribbon networks.

Science advances·2026

相关实验视频

Updated: Jun 28, 2026

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope
11:14

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope

Published on: May 28, 2016

14.3K

在缺陷工程 WS2单层中直接观察超快速缺陷绑定和自由刺激动态.

Tae Gwan Park1,2, Xufan Li3, Kyungnam Kang1

  • 1Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States.

ACS nano
|January 12, 2026
PubMed
概括

研究人员使用先进的光谱学直接观察了二硫化物 (WS2) 中缺陷结合激子的超快动态. 这揭示了对下一代光电子和量子技术的缺陷介导过程的关键见解.

关键词:
一致的合合器缺陷绑定刺激子的缺陷绑定刺激子激电子互转换的过程在硫空缺的职位.过渡金属二甲基二甲基化物超快光谱法是指超快的光谱法.

更多相关视频

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

10.2K
Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

9.1K

相关实验视频

Last Updated: Jun 28, 2026

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope
11:14

Comprehensive Characterization of Extended Defects in Semiconductor Materials by a Scanning Electron Microscope

Published on: May 28, 2016

14.3K
All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

10.2K
Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

9.1K

科学领域:

  • 材料科学 材料科学 材料科学
  • 凝聚物质物理学 凝聚物质物理学
  • 量子光学是一种量子光学.

背景情况:

  • 2D过渡金属二二化物 (TMDC) 的缺陷显著影响其光学和电子性能.
  • 了解激子捕获和缺陷绑定激子形成对于缺陷介导光电子和量子技术至关重要.
  • 由于它们的短暂光学吸收能力较弱,对缺陷结合激子的实验观测是有限的.

研究的目的:

  • 在单层WS2中直接观察和阐明缺陷结合激子的超快动态.
  • 为了研究缺陷绑定刺激子和自由刺激子之间的连贯相互作用.
  • 在先进的光电子和量子应用中探索缺陷结合激子的潜力.

主要方法:

  • 使用金属化物辅助化学蒸汽沉积,合成高密度单硫空缺 (V<0xE2><0x82><0x95>) 和W位缺陷复合体 (S<0xE1><0xB5><0xA3>V<0xE2><0x82><0x95>) 的单层WS2.
  • 超快光学光谱检测激子的动态和相互作用.
  • 在带边和带边上方的光刺激技术研究激子的形成,捕获和相互转换.

主要成果:

  • 在300 fs的范围内,直接观察自由和缺陷结合激子的同时形成.
  • 与自由刺激子相比,缺陷绑定刺激子的寿命更短,导致刺激子在1-100 psi之间被捕获.
  • 自由和缺陷结合激子之间的超快速相互转换 (∼150 fs),表明连贯合.
  • 证明了缺陷结合的刺激子高效向上转化为自由刺激子.

结论:

  • 提供了对TMDC中缺陷结合激子的超快动态的直接洞察.
  • 突出了自由和缺陷结合激子之间的连贯合的关键作用.
  • 确定了缺陷工程 TMDC 对光电子,量子光子和谷电子应用的相关性.