Chandra, MM and Suryan, G (1983) Low-intensity differential photocapacitance of MOS structures. In: Solid-State Electronics, 26 (8). pp. 731-737.
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Some new observations on the phenomenon of photocapacitane on n-type silicon MOS structures under low intensities of illumination are reported. The difference between the illuminated and dark C---characteristics is automatically followed as a function of the applied bias thereby obtaining the differential photocapacitance and the resulting characteristics has been termed as the Low Intensity Differential Photocapacitance (LIDP). For an MOS capacitor, the LIDP characteristics is seen to go through a well defined maximum. The phenomenon has been investigated under different ambient conditions like light intensity, temperature, dependance of the frequency of the light etc. and it has been found that the phenomenon is due to a band excband excitation. In this connection, a novel sensitive technique for the measurement of the capacitance based upon following the frequency changes of a tank circuit is also described in some detail. It is also shown that the phenomenon can be understood by a simple theoretical model.
| Item Type: | Journal Article |
|---|---|
| Publication: | Solid-State Electronics |
| Publisher: | Elsevier Science |
| Additional Information: | Copyright of this article belongs to Elsevier Science. |
| Department/Centre: | Division of Physical & Mathematical Sciences > Physics |
| Date Deposited: | 06 Feb 2010 14:09 |
| Last Modified: | 06 Feb 2010 14:09 |
| URI: | http://eprints.iisc.ac.in/id/eprint/20458 |
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