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Development of a reusable atomic oxygen sensor using ZnO thick films

Development of a reusable atomic oxygen sensor using ZnO thick films
Development of a reusable atomic oxygen sensor using ZnO thick films
The paper describes the fabrication and testing of thick film zinc oxide sensors that could be used to monitor the atomic oxygen fluence experienced by spacecraft in low Earth orbit, or that produced in ground-based atomic oxygen sources. Impedance spectroscopy measurements were carried out on the sensors to determine the conduction mechanisms within the thick films when exposed to atomic oxygen. The results indicate that the sensors’ total resistance increases linearly with time when they are exposed to a constant flux of atomic oxygen, and that the sensors can be regenerated by heating.
1530-437X
[7pp.]
Valer, Juan-Carlos
c3a669fb-eb34-4d5f-9a24-f18481570f75
Roberts, G.T.
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Chambers, A.R.
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Owen, John R.
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Valer, Juan-Carlos
c3a669fb-eb34-4d5f-9a24-f18481570f75
Roberts, G.T.
deaf59ac-e4ee-4fc2-accf-df0639d39368
Chambers, A.R.
74fa9b7e-6362-478e-a038-15f2828c5446
Owen, John R.
0c3c34da-d8eb-4454-9c12-f77e8bedb243

Valer, Juan-Carlos, Roberts, G.T., Chambers, A.R. and Owen, John R. (2013) Development of a reusable atomic oxygen sensor using ZnO thick films. IEEE Sensors Journal, 99, [7pp.]. (doi:10.1109/JSEN.2013.2257730).

Record type: Article

Abstract

The paper describes the fabrication and testing of thick film zinc oxide sensors that could be used to monitor the atomic oxygen fluence experienced by spacecraft in low Earth orbit, or that produced in ground-based atomic oxygen sources. Impedance spectroscopy measurements were carried out on the sensors to determine the conduction mechanisms within the thick films when exposed to atomic oxygen. The results indicate that the sensors’ total resistance increases linearly with time when they are exposed to a constant flux of atomic oxygen, and that the sensors can be regenerated by heating.

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Published date: 12 April 2013
Organisations: Engineering Science Unit

Identifiers

Local EPrints ID: 351481
URI: http://eprints.soton.ac.uk/id/eprint/351481
ISSN: 1530-437X
PURE UUID: fe4fe28d-beb9-4c8a-92dc-1f60bd86c56b

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Date deposited: 24 Apr 2013 11:33
Last modified: 19 Jul 2019 21:38

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Contributors

Author: Juan-Carlos Valer
Author: G.T. Roberts
Author: A.R. Chambers
Author: John R. Owen

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