2003
DOI: 10.1016/s0925-4005(03)00011-x
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Influence of the deposition method on the morphology and elemental composition of SnO2 films for gas sensing: atomic force and X-ray photoemission spectroscopy analysis

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Cited by 28 publications
(26 citation statements)
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“…It gave understoichiometric composition of the surface with O/Sn atomic ration of 1.4. This result was in agreement with those of Bittencourt, et al [25], showing by XPS increasing amount of SnO phase for sputtered tin oxide layers with decreasing O 2 content in Ar sputtering atmosphere. In order to determine the SnO/SnO 2 ratio in the surface region (we note that XPS is a surface sensitive technique giving information about several first atomic layers only), we analyzed the Sn 4d peak shape that is known to be sensitive to tin oxidation state more than the Sn 3d one [26].…”
Section: Resultssupporting
confidence: 93%
“…It gave understoichiometric composition of the surface with O/Sn atomic ration of 1.4. This result was in agreement with those of Bittencourt, et al [25], showing by XPS increasing amount of SnO phase for sputtered tin oxide layers with decreasing O 2 content in Ar sputtering atmosphere. In order to determine the SnO/SnO 2 ratio in the surface region (we note that XPS is a surface sensitive technique giving information about several first atomic layers only), we analyzed the Sn 4d peak shape that is known to be sensitive to tin oxidation state more than the Sn 3d one [26].…”
Section: Resultssupporting
confidence: 93%
“…[116] Außerdem kann das Substrat während des Abscheidungsprozesses bei Raumtemperatur gehalten werden. [113] Zu den wesentlichen Nachteilen zählen die Notwendigkeit, bei einem niedrigen Druck zu arbeiten, sowie die schlechte Kristallinität, [116] wenn bei einer niedrigen Substrattemperatur gearbeitet wird. Dies macht, wenn vollkommen kristallines Material erwünscht ist, eine Nachbehandlung bei mäßigen bis hohen Temperaturen (z.…”
Section: Spraypyrolyseunclassified
“…B. 400 [113] und 600 8C [116] ) notwendig. Bei der Synthese von Zinnoxidfilmen entstehen oft Sn 4+ -und Sn 2+ -Valenzzustände, [119] die die Empfindlichkeit herabsetzen.…”
Section: Spraypyrolyseunclassified
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