1963
DOI: 10.1515/zna-1963-1109
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Elektronenmikroskopische Untersuchungen an aufgedampften Nickelfilmen

Abstract: Ni-Filme von ca. 3 μ, 1,5 μ und 120 bis 560 A Schichtdicke werden im Ultrahochvakuum auf Duranglasplatten bei 293° oder 77°K aufgedampft und ihre Oberfläche im Abdruckverfahren im Elmiskop I abgebildet. Von den dünnen Filmen werden gleichzeitig Durchstrahlungsaufnahmen hergestellt. Die Abhängigkeit der Struktur und der Korngröße von Aufdampf- und Temperungstemperatur wird ermittelt. Die Kristallite werden an der Außenseite im allgemeinen durch Würfel- und Oktaederflächen begrenzt, die häufig parallel zur Filmo… Show more

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Cited by 31 publications
(6 citation statements)
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“…Films thinner than about 200 Ä may be stabilized by covering with an evaporated carbon film. As observed by Suhrmann, Gerdes and Wedler (1963) and by Wiedenmann and Hoffmann (1965), the dimensions of the crystallites as found from replicas and from transmission micrographs are about equal. In a poly crystalline film one may readily see small crystallites having the same orientation making contact with each other, and crystallite coalescence becomes more extensive as the deposit thickens.…”
Section: A Structure and Electrical Propertiessupporting
confidence: 57%
“…Films thinner than about 200 Ä may be stabilized by covering with an evaporated carbon film. As observed by Suhrmann, Gerdes and Wedler (1963) and by Wiedenmann and Hoffmann (1965), the dimensions of the crystallites as found from replicas and from transmission micrographs are about equal. In a poly crystalline film one may readily see small crystallites having the same orientation making contact with each other, and crystallite coalescence becomes more extensive as the deposit thickens.…”
Section: A Structure and Electrical Propertiessupporting
confidence: 57%
“…Figure 9a). Suhrmann et al (1963) found that thick nickel films had the same grain size whether they were deposited at 77 °K and annealed to 300 °K or deposited directly at 300 °K. However, the latter films had a rougher surface and the grains contained more clearly defined crystallographic facets.…”
Section: Annealed Filmsmentioning
confidence: 96%
“…Individual grains can usually be distinguished in shadowed replicas of films because of grooves or changes of height at their boundaries; when they occur, crystallographic facets appear as flat areas on the grains. Stereo-pairs of micrographs can be used to obtain three-dimensional images and to give quantitative values of surface roughness (Suhrmann et al, 1963) when it is sufficiently great to be measured. This is not possible on films about 1000 A thick, but may be done on thicker films ( > 1 μ).…”
Section: B Electron Microscopy Of Replicasmentioning
confidence: 99%
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“…Frühere Untersuchungen [1][2][3][4] hatten ergeben, daß auf Glasunterlagen aufgedampfte Metallfilme im allgemeinen eine polykristalline Struktur aufweisen. Andererseits benötigt man für das Studium der Chemisorptionsbindung von Gasen an Metalloberflächen Filme, die eine möglichst wohldefinierte kristallographische Orientierung der Oberfläche besitzen 5> 6 …”
Section: Introductionunclassified