2000
DOI: 10.1016/s0169-4332(00)00034-9
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Secondary ion emission from polymethacrylate LB-layers under 0.5–11 keV atomic and molecular primary ion bombardment

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Cited by 43 publications
(48 citation statements)
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“…the current directly emitted from the LMIG tip) was reduced to 0.5 µA. The primary ion current was directly measured at a 130 µs cycle time using a Faraday cup located on a grounded sample holder (for Bi 1 + , Bi 2 + , Bi 3 + ), or was determined by an indirect method described in more detail elsewhere [21] (for Bi 4 + , Bi 5 + , Bi 6 + , Bi 7 + , Bi 3 ++ , Bi 5…”
Section: ++mentioning
confidence: 99%
See 1 more Smart Citation
“…the current directly emitted from the LMIG tip) was reduced to 0.5 µA. The primary ion current was directly measured at a 130 µs cycle time using a Faraday cup located on a grounded sample holder (for Bi 1 + , Bi 2 + , Bi 3 + ), or was determined by an indirect method described in more detail elsewhere [21] (for Bi 4 + , Bi 5 + , Bi 6 + , Bi 7 + , Bi 3 ++ , Bi 5…”
Section: ++mentioning
confidence: 99%
“…Polyatomic projectiles, such as SF 5 + , [1,2,3,4] C 60 + , [5,6,7] Au n + [8,9] and Bi n + , [10,11,12,13,14] greatly enhance the secondary ion yields of large fragments, thus leading to a clearer material identification. Especially, the bismuth liquid metal ion gun [15] (LMIG) is of great interest due to the capability of emitting doubly charged ion species, e.g.…”
Section: Introductionmentioning
confidence: 99%
“…Apesar de ser possível atualmente fazer uma varredura do laser pela superfície com resoluções laterais da ordem de mícrons 4 , a técnica necessita de uma matriz, o que elimina a possibilidade de se estudar amostras in situ, além de ser altamente destrutiva. Uma das técnicas que mais se desenvolveu nos últimos 20 anos na área de análise de superfícies é a técnica de espectrometria de massas de íons secundários formados a partir do impacto de íons primários monoatômicos ou poliatômicos com a superfície (SSIMS -"Static Secondary Ion Mass Spectrometry") [5][6][7] . Esta técnica pode fornecer informação química de monocamadas adsorvidas sobre todos os tipos de superfícies e pode vir a ser a técnica preferida para análise química superficial em um futuro próximo.…”
unclassified
“…For example, under impact of polyatomic primary ions, the increase in secondary ion yield for organic multilayers on silver substrates was more pronounced than that for monolayer coverage [15,16].…”
Section: Introductionmentioning
confidence: 99%