Colour Centres
"Colour centres"（色心）是指固体材料（尤其是晶体）中由于某些原子或分子的位置缺陷而引起的能带结构的变化。这些缺陷能吸收特定波长的光，从而使材料表现出特定的颜色。通常，色心与晶体中缺陷的电子状态有关，或是由于外部辐射（如紫外线或高能粒子）引起的。
/ˈkʌlə ˈsɛntəz/
色心，颜色中心
colour /ˈkʌlə/
centres /ˈsɛntəz/
"Colour centres" 是物理学和材料科学中的专有名词，用于描述由于晶体中的电子缺陷或离子替代等因素导致的颜色变化现象。它主要用于研究和解释一些物质的光学性质，特别是在高温、辐射处理和电场作用下颜色变化的机制。
The study of colour centres in crystals is important for understanding their optical properties.
Colour centres can be generated by exposing certain materials to ultraviolet light.
The presence of colour centres in diamonds makes them appear blue or yellow.
Some semiconductors exhibit colour centres that are responsible for their fluorescence.
By manipulating the colour centres in a material, scientists can create more efficient laser sources.
Colour centres in alkali halides contribute to their unique absorption spectra.
Researchers have found that temperature can influence the stability of colour centres in certain crystals.
The colour centre theory explains the absorption and emission of light in a variety of materials.
The development of colour centres in synthetic crystals has led to advancements in optoelectronics.
Ion implantation techniques are often used to create and study colour centres in crystals.
Create colour centres 创造色心
Stabilize colour centres 稳定色心
Colour centre absorption 色心吸收
Colour centre spectroscopy 色心光谱学
Radiation-induced colour centres 辐射引起的色心
Colour centre formation 色心形成
Study of colour centres 色心的研究