Segregation of Ca ions at the MgO(001) surface studied by neutral beam incidence ion scattering spectroscopy

R. Souda, T. Aizawa, Y. Ishizawa, C. Oshima

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Low energy ion scattering with the use of a neutral He<sup>0</sup> beam (NBISS) has been applied to analyze the structure of MgO(001) with Ca<sup>2+</sup> impurities segregated from the bulk. The NBISS technique successfully avoids specimen charging, which is a common obstacle to analyzing the insulating surface by using ordinary ion scattering techniques. It is found that the segregated Ca<sup>2+</sup> ions are substituted for the Mg<sup>2+</sup> ions at the surface and are protruding from the original MgO plane by 0.4±0.1 Å.

Original languageEnglish
Pages (from-to)3218-3223
Number of pages6
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume8
Issue number4
DOIs
Publication statusPublished - 1990 Jul 1

Fingerprint

neutral beams
ion scattering
incidence
Spectroscopy
Scattering
Ions
spectroscopy
charging
ions
impurities
Impurities
energy

Keywords

  • Atomic beams
  • Calcium ions
  • Crystal structure
  • Impurities
  • Ion scattering analysis
  • Magnesium oxides
  • MgO:Ca
  • Segregation
  • Surface properties

ASJC Scopus subject areas

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

Cite this

Segregation of Ca ions at the MgO(001) surface studied by neutral beam incidence ion scattering spectroscopy. / Souda, R.; Aizawa, T.; Ishizawa, Y.; Oshima, C.

In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, Vol. 8, No. 4, 01.07.1990, p. 3218-3223.

Research output: Contribution to journalArticle

@article{c1501f2b57cd49458ccd54afc4aebe31,
title = "Segregation of Ca ions at the MgO(001) surface studied by neutral beam incidence ion scattering spectroscopy",
abstract = "Low energy ion scattering with the use of a neutral He0 beam (NBISS) has been applied to analyze the structure of MgO(001) with Ca2+ impurities segregated from the bulk. The NBISS technique successfully avoids specimen charging, which is a common obstacle to analyzing the insulating surface by using ordinary ion scattering techniques. It is found that the segregated Ca2+ ions are substituted for the Mg2+ ions at the surface and are protruding from the original MgO plane by 0.4±0.1 {\AA}.",
keywords = "Atomic beams, Calcium ions, Crystal structure, Impurities, Ion scattering analysis, Magnesium oxides, MgO:Ca, Segregation, Surface properties",
author = "R. Souda and T. Aizawa and Y. Ishizawa and C. Oshima",
year = "1990",
month = "7",
day = "1",
doi = "10.1116/1.576566",
language = "English",
volume = "8",
pages = "3218--3223",
journal = "Journal of Vacuum Science and Technology A",
issn = "0734-2101",
publisher = "AVS Science and Technology Society",
number = "4",

}

TY - JOUR

T1 - Segregation of Ca ions at the MgO(001) surface studied by neutral beam incidence ion scattering spectroscopy

AU - Souda, R.

AU - Aizawa, T.

AU - Ishizawa, Y.

AU - Oshima, C.

PY - 1990/7/1

Y1 - 1990/7/1

N2 - Low energy ion scattering with the use of a neutral He0 beam (NBISS) has been applied to analyze the structure of MgO(001) with Ca2+ impurities segregated from the bulk. The NBISS technique successfully avoids specimen charging, which is a common obstacle to analyzing the insulating surface by using ordinary ion scattering techniques. It is found that the segregated Ca2+ ions are substituted for the Mg2+ ions at the surface and are protruding from the original MgO plane by 0.4±0.1 Å.

AB - Low energy ion scattering with the use of a neutral He0 beam (NBISS) has been applied to analyze the structure of MgO(001) with Ca2+ impurities segregated from the bulk. The NBISS technique successfully avoids specimen charging, which is a common obstacle to analyzing the insulating surface by using ordinary ion scattering techniques. It is found that the segregated Ca2+ ions are substituted for the Mg2+ ions at the surface and are protruding from the original MgO plane by 0.4±0.1 Å.

KW - Atomic beams

KW - Calcium ions

KW - Crystal structure

KW - Impurities

KW - Ion scattering analysis

KW - Magnesium oxides

KW - MgO:Ca

KW - Segregation

KW - Surface properties

UR - http://www.scopus.com/inward/record.url?scp=84916315575&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84916315575&partnerID=8YFLogxK

U2 - 10.1116/1.576566

DO - 10.1116/1.576566

M3 - Article

AN - SCOPUS:84916315575

VL - 8

SP - 3218

EP - 3223

JO - Journal of Vacuum Science and Technology A

JF - Journal of Vacuum Science and Technology A

SN - 0734-2101

IS - 4

ER -