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Molecular Beam Epitaxy
book

Molecular Beam Epitaxy

by Hajime Asahi, Yoshiji Horikoshi
April 2019
Intermediate to advanced content levelIntermediate to advanced
512 pages
17h 52m
English
Wiley
Content preview from Molecular Beam Epitaxy

1History of MBE

Tom Foxon

Department of Physics and Astronomy, Nottingham University, Nottingham, NG7 2RD, UK

1.1 Introduction

John Orton and I have recently published a book entitled Molecular Beam Epitaxy – A Short History [1]. In that book we were not able to cover all aspects of this topic, so many significant contributions had to be omitted. In this short chapter, even more work of importance will be missing and what follows is my personal view of how molecular beam epitaxy (MBE) evolved. Before starting to describe how it occurred, we have of course to decide what we mean by MBE. As far as I can discover, the term was first used in the Proceedings of the Third International Symposium on GaAs and Related Compounds by Cho et al. [2] in order to distinguish MBE from the earlier growth methods, namely liquid phase epitaxy (LPE) and vapour phase epitaxy (VPE). So, what is MBE? One may consider it to be a refined form of vacuum evaporation, but it is clearly significantly different from simple evaporation in many ways. It usually involves multiple sources and deposition onto a heated substrate. It usually takes place in ultra‐high vacuum (UHV) equipment, in order to reduce the arrival rate of unwanted species. In general, collision‐free molecular beams are used to supply the required species to the substrate. It differs from many other growth methods in having many different in‐situ measurements (e.g. electron diffraction or mass spectrometry), which enables the process to be controlled ...

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Publisher Resources

ISBN: 9781119355014Purchase book