DOI: 10.1116/1.1318570. The crystallographic distribution of field-desorbed species

The crystallographic distribution of field-desorbed species

10.1116/1.1318570

Crossref journal-article

American Vacuum Society

Journal of Vacuum Science and Technology (20)

Abstract

The complete crystallographic distribution of field-evaporated W3+ and W4+ as well as field-desorbed hydrogen has been observed by using a new technique called field desorption spectrometry. The distributions are obtained during a single evaporation event in a modified field-ion microscope by recording the desorption image displayed on a spherical CEMA detector time gated with the arrival of an ion species of preselected mass-to-charge ratio. Preliminary observations show no unique crystallographic origin for W3+ or W4+ at 78 or 27 K during field evaporation in vacuum or imaging gas. Hydrogen appears to originate at random insterstitial locations at the surface and is not uniquely associated with the protruding atoms imaged in a conventional ion micrograph. The general lack of a one-to-one correspondence between gated desorption and ion micrograph images suggests that using the atom probe to identify individual preselected ion micrograph image spots may be much more difficult than originally anticipated.

Bibliography

Panitz, J. A. (1974). The crystallographic distribution of field-desorbed species. Journal of Vacuum Science and Technology, 11(1), 206â210.

Authors 1

J. A. Panitz (first)

References 0 Referenced 61

None

Dates

Type	When
Created	23 years, 1 month ago (July 27, 2002, 5:30 a.m.)
Deposited	2 years, 2 months ago (June 23, 2023, 9:22 p.m.)
Indexed	2 months, 1 week ago (June 25, 2025, 7:48 p.m.)
Issued	51 years, 8 months ago (Jan. 1, 1974)
Published	51 years, 8 months ago (Jan. 1, 1974)
Published Print	51 years, 8 months ago (Jan. 1, 1974)

Funders 0

None

BibTeX

@article{Panitz_1974, title={The crystallographic distribution of field-desorbed species}, volume={11}, ISSN={0022-5355}, url={http://dx.doi.org/10.1116/1.1318570}, DOI={10.1116/1.1318570}, number={1}, journal={Journal of Vacuum Science and Technology}, publisher={American Vacuum Society}, author={Panitz, J. A.}, year={1974}, month=jan, pages={206–210} }

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