V2EX heterostructure

Heterostructure

释义 Definition(中文)

异质结构:由两种或以上不同材料(常见为不同半导体,如 GaAs/AlGaAs)在界面处层状或组合形成的结构,用来获得特定的电子、光学或输运性质(例如量子阱、二维电子气等)。在材料科学中也可泛指不同晶体/成分相互堆叠的结构。

发音 Pronunciation(IPA)

/htrostrktr/

例句 Examples

The laser uses a heterostructure to confine electrons and light.
这种激光器使用异质结构来限制电子和光。

By engineering the band alignment in a semiconductor heterostructure, researchers can create high-mobility channels for faster transistors.
通过设计半导体异质结构中的能带对齐,研究人员可以构建高迁移率通道,从而实现更快的晶体管。

词源 Etymology(中文)

来自 **hetero-**(“不同的、异类的”)+ structure(“结构”)。该词在 20 世纪半导体物理与器件发展中广泛使用,用于强调“由不同材料构成并在界面产生新性质”的结构概念。

相关词 Related Words

文学与名著中的用例 Literary Works(中文)

  • Herbert Kroemer:《Heterostructure Bipolar Transistors and Integrated Circuits》(经典论文/专著标题中直接使用该词,奠定异质结构器件思想)。
  • Zhores I. Alferov:诺贝尔奖相关演讲与论文(如 2000 年诺奖背景材料与讲演中频繁讨论 semiconductor heterostructures)。
  • Paul Harrison:《Quantum Wells, Wires and Dots》(教材/专著中系统讲解量子阱与异质结构物理)。
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