Noble gas imaging of gold in the field ion microscope

D. G. Ast; D. N. Seidman

doi:10.1016/0039-6028(71)90081-1

Noble gas imaging of gold in the field ion microscope

D. G. Ast^*, D. N. Seidman

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Field ion microscope images of gold hava been obtained employing helium, a 25% neon- helium gas mixture, neon, and argon as imaging gases both with and without prior hydrogen promoted field evaporation of the specimen. The helium images were unstable, while the 25% neon-helium, neon and argon images were quasi-stable at best image field. The 25% neon-helium images had an artifact vacancy concentration of ∼ 10^-3 at.fr. in the {210} planes, while the pure neon images exhibited artifact vacancies in every well resolved high index plane. The argon images showed a strong degree of disorder, even though individual atoms were well resolved. A brief discussion of possible mechanisms for artifact vacancy formation in gold is given.

Original language	English (US)
Pages (from-to)	19-31
Number of pages	13
Journal	Surface Science
Volume	28
Issue number	1
DOIs	https://doi.org/10.1016/0039-6028(71)90081-1
State	Published - Nov 1971

Funding

* Research supported by the United States Atomic Energy Commission Contract AT (30-l)-350452. Additional support was received from the Advanced Research Projects Agency through the use of the Central Facilities of the Materials Science Center at Cornell University. ** By quasi-stable we mean that the FIM specimen was always field-evaporating very slowly at best image field (BIF).

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/0039-6028(71)90081-1

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title = "Noble gas imaging of gold in the field ion microscope",

abstract = "Field ion microscope images of gold hava been obtained employing helium, a 25% neon- helium gas mixture, neon, and argon as imaging gases both with and without prior hydrogen promoted field evaporation of the specimen. The helium images were unstable, while the 25% neon-helium, neon and argon images were quasi-stable at best image field. The 25% neon-helium images had an artifact vacancy concentration of ∼ 10-3 at.fr. in the {210} planes, while the pure neon images exhibited artifact vacancies in every well resolved high index plane. The argon images showed a strong degree of disorder, even though individual atoms were well resolved. A brief discussion of possible mechanisms for artifact vacancy formation in gold is given.",

author = "Ast, {D. G.} and Seidman, {D. N.}",

note = "Funding Information: * Research supported by the United States Atomic Energy Commission Contract AT (30-l)-350452. Additional support was received from the Advanced Research Projects Agency through the use of the Central Facilities of the Materials Science Center at Cornell University. ** By quasi-stable we mean that the FIM specimen was always field-evaporating very slowly at best image field (BIF).",

year = "1971",

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doi = "10.1016/0039-6028(71)90081-1",

language = "English (US)",

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AU - Ast, D. G.

AU - Seidman, D. N.

N1 - Funding Information: * Research supported by the United States Atomic Energy Commission Contract AT (30-l)-350452. Additional support was received from the Advanced Research Projects Agency through the use of the Central Facilities of the Materials Science Center at Cornell University. ** By quasi-stable we mean that the FIM specimen was always field-evaporating very slowly at best image field (BIF).

PY - 1971/11

Y1 - 1971/11

N2 - Field ion microscope images of gold hava been obtained employing helium, a 25% neon- helium gas mixture, neon, and argon as imaging gases both with and without prior hydrogen promoted field evaporation of the specimen. The helium images were unstable, while the 25% neon-helium, neon and argon images were quasi-stable at best image field. The 25% neon-helium images had an artifact vacancy concentration of ∼ 10-3 at.fr. in the {210} planes, while the pure neon images exhibited artifact vacancies in every well resolved high index plane. The argon images showed a strong degree of disorder, even though individual atoms were well resolved. A brief discussion of possible mechanisms for artifact vacancy formation in gold is given.

AB - Field ion microscope images of gold hava been obtained employing helium, a 25% neon- helium gas mixture, neon, and argon as imaging gases both with and without prior hydrogen promoted field evaporation of the specimen. The helium images were unstable, while the 25% neon-helium, neon and argon images were quasi-stable at best image field. The 25% neon-helium images had an artifact vacancy concentration of ∼ 10-3 at.fr. in the {210} planes, while the pure neon images exhibited artifact vacancies in every well resolved high index plane. The argon images showed a strong degree of disorder, even though individual atoms were well resolved. A brief discussion of possible mechanisms for artifact vacancy formation in gold is given.

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Noble gas imaging of gold in the field ion microscope

Abstract

Funding

ASJC Scopus subject areas

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