In Situ Observation of Growing Surface of Oxide Films By Reflection High-Energy Electron Diffraction Beam Excited Auger Electron Spectroscopy

Hidehiko Nonaka, Takashi Shimizu, Shingo Ichimura, Kazuo Arai

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The reflection high-energy electron diffraction beam excited Auger electron spectroscopy (AES) was applied to in situ and real time observation of the growing surface of films during molecular-beam epitaxy deposition. A compact electron energy analyzer assembly which consists of an einzel lens, sector-type energy analyzer, microchannel plate detector, and magnetic shielding case was built to enable the measurement close to the substrate without disturbing the deposition. The system was checked by the in situ AES measurement of crystals surface during cleaning with ozone. The technique is applicable to analyze in situ the growing surface of more complicated materials such as oxide superconductors whose microstructures at an atomic level must be well controlled for better quality and for use in microelectronic devices such as the Josephson junction.

Original languageEnglish
Pages (from-to)2676-2680
Number of pages5
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume11
Issue number5
DOIs
Publication statusPublished - 1993 Jan 1
Externally publishedYes

Fingerprint

Reflection high energy electron diffraction
Auger electron spectroscopy
high energy electrons
Auger spectroscopy
Oxide films
electron spectroscopy
oxide films
analyzers
Electron energy analyzers
electron diffraction
Magnetic shielding
Surface cleaning
Oxide superconductors
magnetic shielding
microchannel plates
Ozone
Microchannels
crystal surfaces
Molecular beam epitaxy
microelectronics

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

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AU - Arai, Kazuo

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