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相关概念视频

Lattice Centering and Coordination Number02:33

Lattice Centering and Coordination Number

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The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
Imagine taking a large number of identical...
9.7K
Hybridization of Atomic Orbitals I03:24

Hybridization of Atomic Orbitals I

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The mathematical expression known as the wave function, ψ, contains information about each orbital and the wavelike properties of electrons in an isolated atom. When atoms are bound together in a molecule, the wave functions combine to produce new mathematical descriptions that have different shapes. This process of combining the wave functions for atomic orbitals is called hybridization and is mathematically accomplished by the linear combination of atomic orbitals. The new orbitals that...
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Valence Bond Theory02:42

Valence Bond Theory

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Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
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Exceptions to the Octet Rule02:55

Exceptions to the Octet Rule

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Many covalent molecules have central atoms that do not have eight electrons in their Lewis structures. These molecules fall into three categories:
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VSEPR Theory and the Effect of Lone Pairs04:01

VSEPR Theory and the Effect of Lone Pairs

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Effect of Lone Pairs of Electrons on Molecule Geometry
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VSEPR Theory and the Basic Shapes02:52

VSEPR Theory and the Basic Shapes

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Overview of VSEPR Theory
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相关实验视频

Updated: Jul 18, 2025

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations
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Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Published on: October 12, 2019

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六边形化中颜色中心

Suk Hyun Kim1,2, Kyeong Ho Park1, Young Gie Lee1

  • 1Department of Physics, Kyung Hee University, Seoul 02447, Republic of Korea.

Nanomaterials (Basel, Switzerland)
|August 26, 2023
PubMed
概括

六角化 (hBN) 颜色中心为先进的光电子和量子技术提供独特的光学和自旋特性. 了解2D hBN中的这些缺陷是开发下一代紫外线设备和量子传感器的关键.

关键词:
颜色中心 颜色中心六角性的化.发光的发光量 发光的光量量子发射器是一个量子发射器.

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Efficient Synthesis of All-Carbon Quaternary Centers via the Conjugate Addition of Functionalized Monoorganozinc Bromides
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Negative Additive Manufacturing of Complex Shaped Boron Carbides
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相关实验视频

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Efficient Synthesis of All-Carbon Quaternary Centers via the Conjugate Addition of Functionalized Monoorganozinc Bromides
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Negative Additive Manufacturing of Complex Shaped Boron Carbides
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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:

  • 原子薄的二维 (2D) 六角化 (hBN) 对于范德瓦尔斯的异构结构和深紫外线光电子非常重要,因为它具有超宽带间隙.
  • 由于hBN中的空隙和杂质引起的颜色中心,在UV到近红外光谱中表现出明显的光学和自旋特性.

研究的目的:

  • 提供对二维六角化 (hBN) 的颜色中心的全面概述.
  • 探索它们的原子配置,光学和量子性质以及形成技术.
  • 突出其在下一代光电子和量子信息应用中的潜力.

主要方法:

  • 在hBN.com中审查有关色中心的现有文献.
  • 分析原子配置和缺陷引起的光学特性.
  • 讨论各种创建和表征hBN颜色中心的技术.

主要成果:

  • 在hBN中的颜色中心显示独特的发射光谱和自旋特性.
  • 这些属性可以根据缺陷类型和原子排列来调整.
  • 对于单光子源和量子传感,hBN色彩中心是有前途的.

结论:

  • 对hBN颜色中心的彻底理解对于推进固态量子技术至关重要.
  • hBN色彩中心使新的UV光电子设备和纳米光子应用程序的开发成为可能.
  • 利用hBN独特的缺陷特性为未来的量子信息处理铺平了道路.