Temperature dependence of buried channel ion sensitive field effect transistors
J. Appl. Phys. 106, 094501 (2009); doi:10.1063/1.3247577
Published 2 November 2009
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In this paper we describe the temperature dependence of buried channel (BC) ion sensitive field effect transistor (ISFET). The device response depends on the temperature; hence, temperature variations can cause erroneous readings. A theoretical model describing the temperature dependence of BC-ISFET and a theoretical solution to eliminate the signal variations due to temperature changes are presented here. The suggested solution is based on an inverter containing n-BC-ISFET and p-BC-ISFET. The influence of various parameters on the operation of the inverter and its sensitivity are investigated. We discuss the influence of self-assembled monolayers on the operation of the inverter.
©2009 American Institute of Physics
| History: | Received 23 June 2009; accepted 6 September 2009; published 2 November 2009 |
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http://link.aip.org/link/?JAPIAU/106/094501/1 |
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