2008
DOI: 10.1088/0022-3727/41/17/172002
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Angular dependence of sputtering yield of amorphous and polycrystalline materials

Abstract: An analytical formula is developed for the evolution of angular dependence of sputtering yields by extending the theory of sputtering yield proposed by Sigmund. We demonstrate that the peak of sputtering yield at oblique incidence can be attributed to a balance between the increased energy deposited on the surface by incident ion which enhances the sputtering yield and the decreased depth travelled by recoil atom which reduces the sputtering yield. The predicted dependence of sputtering yield on the incident a… Show more

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Cited by 73 publications
(40 citation statements)
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References 27 publications
(53 reference statements)
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“…When the aspect ratio increases, the tiltdependence of Y (α) can influence the redeposition effect F R . To that end, we have used a model proposed by Wei et al, which is in good agreement with the experimental data for the sputter yield [54]:…”
Section: Sputter Yield Y(α)mentioning
confidence: 72%
“…When the aspect ratio increases, the tiltdependence of Y (α) can influence the redeposition effect F R . To that end, we have used a model proposed by Wei et al, which is in good agreement with the experimental data for the sputter yield [54]:…”
Section: Sputter Yield Y(α)mentioning
confidence: 72%
“…On the sample surface, the 60° angle of incidence would lead to an elongated beam spot, which is corrected for by using a stigmator. On the other hand, a 60° angle of incidence is beneficial for sputtering, since the angular dependence of the sputtering yield has a maximum around 60-80° [33].…”
Section: Ion Gunmentioning
confidence: 99%
“…al. [20]. Com o aumento da espessura, observa-se na Figura 05 que devido ao processo de coalescência dos átomos na superfície, que as ilhas observadas na Figura 04 e visivelmente mais isoladas num primeiro estágio de formação dos filmes finos, crescem de modo a formar um material mais homogêneo com aumento dos domínios cristalinos, um material com cristalitos maiores é esperado nessa etapa do crescimento e as propriedades do material tendem para àquelas do material em volume.…”
Section: Resultsunclassified