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Updated: Jun 5, 2025

Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures
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在单层MoS2中缺陷介导的激发局部化和放松

Jiafan Qu1, Yadong Wei2, Liang Zhao1

  • 1Institute of Modern Optics, School of Physics, Key Laboratory of Micro-Nano Optoelectronic Information System, Ministry of Industry and Information Technology, Key Laboratory of Micro-Optics and Photonic Technology of Heilongjiang Province, Harbin Institute of Technology, Harbin 150001, China.

ACS nano
|December 9, 2024
PubMed
概括

二硫化物 (MoS2) 中的缺陷使得量子应用中激子局部化成为可能. 这项研究揭示了比B激子和直接C激子激发更快的A-trion定位,澄清了缺陷介导的动力学.

关键词:
C 激发激发的激发缺陷的缺陷 缺陷的缺陷刺激子的局部化刺激刺激放松放松一个单层的MoS2

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Atomic Nuclei: Nuclear Relaxation Processes01:23

Atomic Nuclei: Nuclear Relaxation Processes

In the absence of an external magnetic field, nuclear spin states are degenerate and randomly oriented. When a magnetic field is applied, the spins begin to precess and orient themselves along (lower energy) or against (higher energy) the direction of the field. At equilibrium, a slight excess population of spins exists in the lower energy state. Because the direction of the magnetic field is fixed as the z-axis,  the precessing magnetic moments are randomly oriented around the z-axis.
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