DOI: 10.1098/rspa.1961.0003. Atomic collision sequences in crystals of copper, silver and gold revealed by sputtering in energetic ion beams

Atomic collision sequences in crystals of copper, silver and gold revealed by sputtering in energetic ion beams

10.1098/rspa.1961.0003

Crossref journal-article

The Royal Society

Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences (175)

Abstract

Specimens of copper, silver and gold have been bombarded with 0⋅3 MeV protons and 10 keV ions of argon and xenon. Atoms were ejected from crystal surfaces with maximum intensity along low-index crystal directions. The effects are interpreted as being due to the arrival at the surface of three types of focused atomic collision sequence. The first travels along <110> directions, momentum being focused by the geometrical properties of a close-packed line of spheres. No mass transfer is thought to occur in this type of sequence and experiment shows its maximum range in gold to be roughly 350Å. The second and third types travel along <100> and <111> directions, and are thought to consist of successive collisions in which the projectile atom replaces the target; focusing being due to the rings of atoms which encircle the projectile’s path. A theoretical study shows these rings to behave with formal similarity to the converging lens in optics, and an upper energy limit for focusing is derived. It is predicted that the maximum ranges in copper are roughly 35Å for <100> sequences and 120 Ǻ for <111> sequences, the corresponding values in gold being 50 and 300Å, respectively. These predictions are shown to be in agreement with experiment.

Bibliography

Atomic collision sequences in crystals of copper, silver and gold revealed by sputtering in energetic ion beams. (1961). Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 259(1299), 458â479.

Authors 0

None

References 16 Referenced 107

Thestructure of metals. N ew Y ork: McGraw-Hill.
B ohr N. 1948 Mat.-fys.M edd. 18 8.
Gibson J . B . Goland A. N . M ilgram M. & V ineyard G. 1959 J . A p p l. P hys. 308 1322 and cover; also p riv a te discussion w ith G. V ineyard.
G ilm an J . J . & Jo h n sto n W . G. 1956 Dislocations and mechanical properties of crystals. New Y ork: J o h n W iley an d Sons.
H ines R . L. 1957 J . A p p l. P hys. 28 587. (10.1063/1.1722808)
H all M. J . & T hom pson M. W . i960 (to be published).
{'key': 'p_7', 'first-page': '1092', 'article-title': 'P hys', 'volume': '91', 'year': '1953', 'journal-title': 'Rev.'} / Rev. / P hys (1953)
{'key': 'p_8', 'first-page': '1', 'article-title': 'a', 'volume': '18', 'author': 'Pease R .', 'year': '1955', 'journal-title': 'Rep. Progr. P hys.'} / Rep. Progr. P hys. / a by Pease R . (1955)
{'key': 'p_9', 'first-page': '200', 'article-title': '6 J . N ucl', 'volume': '1', 'author': 'Pease R .', 'year': '1955', 'journal-title': 'Energy'} / Energy / 6 J . N ucl by Pease R . (1955)
K oehler J . S. & Seitz F . 1956 Progr. Solid State P hys. 2 305.
Leibfried G. 1959 J . A p p l. P hys. 30 1388. (10.1063/1.1735341)
Nielsen K . O. 1956 Electromagnetically enriched isotopes and mass spectrometry. L ondon: B u tterw o rth Press.
{'key': 'p_13', 'first-page': '12', 'article-title': 'P hys', 'volume': '1', 'author': 'Schm R .', 'year': '1958', 'journal-title': 'Rev. Lett.'} / Rev. Lett. / P hys by Schm R . (1958)
Silsbee R . H . 1957 J . A p p l. P hys. 28 1246. (10.1063/1.1722626)
Thom pson M. W . 1959 P hil. M ag. 4 139.
{'key': 'p_16', 'first-page': '690', 'article-title': 'P hys', 'volume': '102', 'year': '1955', 'journal-title': 'Rev.'} / Rev. / P hys (1955)

Dates

Type	When
Created	18 years, 8 months ago (Dec. 15, 2006, 4:39 p.m.)
Deposited	4 years, 6 months ago (Feb. 17, 2021, 4:37 p.m.)
Indexed	1 month, 2 weeks ago (July 2, 2025, 10:39 a.m.)
Issued	64 years, 6 months ago (Jan. 24, 1961)
Published	64 years, 6 months ago (Jan. 24, 1961)
Published Online	28 years, 7 months ago (Jan. 1, 1997)
Published Print	64 years, 6 months ago (Jan. 24, 1961)

Funders 0

None

BibTeX

@article{1961, silver and gold revealed by sputtering in energetic ion beams_1961, volume={259}, ISSN={2053-9169}, url={http://dx.doi.org/10.1098/rspa.1961.0003}, DOI={10.1098/rspa.1961.0003}, number={1299}, journal={Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences}, publisher={The Royal Society}, year={1961}, month=jan, pages={458–479} }

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