2003
DOI: 10.1039/b212108e
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The mechanism of Si etching in fluoride solutions

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Cited by 106 publications
(96 citation statements)
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References 171 publications
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“…There are a number of chemical bonds that can form at the silicon/HF interface, such as Si-H, Si-OH and Si-F [23][24][25][26][27] . Passivation of silicon immersed in HF has been shown to primarily come from the creation of Si-H bonds, which is considered to be one of the most stable bonds when silicon is immersed in HF 26,27 .…”
Section: Discussionmentioning
confidence: 99%
“…There are a number of chemical bonds that can form at the silicon/HF interface, such as Si-H, Si-OH and Si-F [23][24][25][26][27] . Passivation of silicon immersed in HF has been shown to primarily come from the creation of Si-H bonds, which is considered to be one of the most stable bonds when silicon is immersed in HF 26,27 .…”
Section: Discussionmentioning
confidence: 99%
“…It was reported that surface holes can increase the sticking coefficient of F -onto a surface by up to 11 orders of magnitude. [43] Since the surface adsorption of etchant F -is the first step in the above oxide dissolution reaction, the sticking coefficient of F -is a critical parameter in determining the oxide etching rate. In addition, the reaction shown in Equation 4 is a simple second-order reaction in which the etching rate R of SiO 2 is related to […”
Section: Full Papermentioning
confidence: 99%
“…В своем наиболее обстоятельном на сегодняшний день анализе процессов травления кремния во фторидных растворах К. Коласинский [11,12] обходит проблему невозможности непосредственного захвата дырок связя-ми Si−H и даже отличающимися по энергии от суще-ствующих в объеме связями Si−Si внешнего атомного слоя кристалла (back bonds), постулируя существование электростатического взаимодействия между объемными делокализованными состояниями дырок в кристалле, находящихся вблизи поверхности, и сольватированными анионами фтора в растворе. Далее полагается, что в области появления таких межфазных ассоциатов сни-жается активационный барьер реакции замещения хемо-сорбированного водорода фтором.…”
Section: вп улин нв улин фю солдатенковunclassified