A Metal-Semiconductor Capacitor

Taylor, Rs; Haring, H. E.

doi:10.1149/1.2430172

Cited by 41 publications

(18 citation statements)

References 1 publication

(1 reference statement)

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“…[1] and [2] shift to the left with a corresponding decrease in the concentration of conduction electrons. [1] and [2] shift to the left with a corresponding decrease in the concentration of conduction electrons.…”

Section: Heat-treatment In Airmentioning

confidence: 98%

Heat-Treatment of Anodic Oxide Films on Tantalum

Smyth¹,

Tripp²

1963

J. Electrochem. Soc.

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The temperature dependence of capacitance for heat-treated, anodized tantalum has been used as a means of scanning the conductivity profile across the Ta20~ film. This conductivity results from the extraction of oxygen from the oxide by the metal during heat-treatment. The results show that subsequent reanodization at the formation voltage is a slow process which proceeds in a stepwise manner from the electrolyte side of the oxide film toward the underlying tantalum. The application of a small anodic d-c bias gives a temporary conductivity profile which is similar to the permanent profile obtained by partial reanodization. Further evidence is given that the oxide conductivity is highest at the Ta-Ta205 interface.) unless CC License in place (see abstract). ecsdl.org/site/terms_use address. Redistribution subject to ECS terms of use (see 169.230.243.252 Downloaded on 2015-03-15 to IP

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Section: Heat-treatment In Airmentioning

confidence: 98%

Heat-Treatment of Anodic Oxide Films on Tantalum

Smyth¹,

Tripp²

1963

J. Electrochem. Soc.

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“…6). Both Taylor and Haring (14), and McLean and Power (18) have given slight indications of a lower temperature dependence of capacitance at low temperatures for Ta-Ta2Os-MnO2 capacitors. Below this temperature the entire oxide film thickness will act as an effective dielectric, and the change of capacitance with temperature will be determined solely by the temperature dependence of the dielectric constant.…”

Section: Oxide Films On Ta 1269mentioning

confidence: 98%

Heat-Treatment of Anodic Oxide Films on Tantalum

Smyth¹,

Shirn²,

Tripp³

1963

J. Electrochem. Soc.

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lar) planes, showed that the surfaces used were inclined at 10 o_ 15 o to the parallel planes.In attempting to avoid corrosion of zinc specimens, solutions of Zn(C104)2 in methanol and ethanol were tried. It is doubtful if the anhydrous salt can be prepared, and alcohol solutions of the hydrate led to as much corrosion as aqueous solutions. On evaporating alcohol solutions to dryness no water is lost, the hydrated salt crystallizing out.

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“…Since the first report that tantalum could be used for electrolytic capacitors [52], the growth of this application has been such that it now accounts for the highest consumption of the metal [53]. The capacitor consists of an anode of tantalum metal powder compressed into a pellet, typically 20 -200 mg.…”

Section: Tantalum Powder For Capacitorsmentioning

confidence: 99%