Evaluating the Local Bandgap Across inxGa1‐xas Multiple Quantum Wells in a Metamorphic Laser via Low‐Loss EELS

Evaluating the Local Bandgap Across inxGa1‐xas Multiple Quantum Wells in a Metamorphic Laser via Low‐Loss EELS

Abstract Using high‐resolution scanning transmission electron microscopy and low‐loss electron energy loss spectroscopy, the local bandgap (Eg), indium concentration, and strain distribution across multiple InxGa1‐xAs quantum wells (QWs), on a GaAs substrate, within a metamorphic laser structure are...

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Bibliographic Details
Main Authors: Nicholas Stephen, Ivan Pinto‐Huguet, Robert Lawrence, Demie Kepaptsoglou, Marc Botifoll, Agnieszka Gocalinska, Enrica Mura, Quentin Ramasse, Emanuele Pelucchi, Jordi Arbiol, Miryam Arredondo
Format: Article
Language:English
Published: Wiley-VCH 2025-05-01
Series:Advanced Materials Interfaces
Subjects:
bandgap
electron energy loss spectroscopy
in concentration
InGaAs
quantum well
strain distribution
Online Access:https://doi.org/10.1002/admi.202400897
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