基于 InGaN 的红色发光二极管的晶体质量和效率工程

IF 1.5 4区物理与天体物理 Q3 PHYSICS, CONDENSED MATTER

Physica Status Solidi B-basic Solid State Physics Pub Date : 2024-05-28 DOI:10.1002/pssb.202400034

Mikhail Rudinsky, Kirill Bulashevich

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引用次数: 0

摘要

本文旨在了解基于金属有机化学气相沉积法生长的 InGaN 基红色发光二极管（LED）结构的复杂设计。文章从理论上研究了红光 LED 结构中不同元素对应力分布和穿线位错密度 (TDD) 演变的影响。为此，采用了结构生长过程的自洽模型，考虑了应力调制铟的加入、穿线位错和 V 型凹坑的错配应力松弛以及新穿线位错的成核。模拟结果包括成分、应力和 TDD 曲线，然后用于器件运行建模，从而分析不同元素对异质结构运行的贡献。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Crystal Quality and Efficiency Engineering of InGaN‐Based Red Light‐Emitting Diodes

This article is aimed at understanding of the complex design of metalorganic chemical vapour deposition ‐grown InGaN‐based red light‐emitting diode (LED) structure. The contribution of different elements of red LED structure to the stress distribution and threading dislocation density (TDD) evolution is theoretically investigated. For this purpose a self‐consistent modeling of the structure growth process is used, taking into account stress‐modulated indium incorporation, mismatch stress relaxation by threading dislocations and V‐pits, and nucleation of new threading dislocations. The simulation results, consisting of composition, stress, and TDD profiles, are then utilized for modeling of device operation, which allows to analyze contribution of different elements to the heterostructure operation.

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来源期刊

Physica Status Solidi B-basic Solid State Physics 物理-物理：凝聚态物理

CiteScore

3.30

自引率

6.20%

发文量

321

审稿时长

2 months

期刊介绍： physica status solidi is devoted to the thorough peer review and the rapid publication of new and important results in all fields of solid state and materials physics, from basic science to applications and devices. Being among the largest and most important international publications, the pss journals publish review articles, letters and original work as well as special issues and conference contributions. physica status solidi b – basic solid state physics is devoted to topics such as theoretical and experimental investigations of the atomistic and electronic structure of solids in general, phase transitions, electronic and optical properties of low-dimensional, nano-scale, strongly correlated, or disordered systems, superconductivity, magnetism, ferroelectricity etc.