Zain, R.M., Maneuski, D., O'Shea, V. , Bates, R., Blue, A. , Cunnigham, L., Stehl, C., Berderman, E. and Rahim, R.A. (2013) Leakage current measurements of a pixelated polycrystalline CVD diamond detector. Journal of Instrumentation, 8(01), C01056. (doi: 10.1088/1748-0221/8/01/C01056)
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Abstract
Diamond has several desirable features when used as a material for radiation detection. With the invention of synthetic growth techniques, it has become feasible to look at developing diamond radiation detectors with reasonable surface areas. Polycrystalline diamond has been grown using a chemical vapour deposition (CVD) technique by the University of Augsburg and detector structures fabricated at the James Watt Nanofabrication Centre (JWNC) in the University of Glasgow in order to produce pixelated detector arrays. The anode and cathode contacts are realised by depositing gold to produce ohmic contacts. Measurements of I-V characteristics were performed to study the material uniformity. The bias voltage is stepped from -1000V to 1000V to investigate the variation of leakage current from pixel to pixel. Bulk leakage current is measured to be less than 1nA.
| Item Type: | Articles |
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| Additional Information: | 14th International Workshop on Radiation Imaging Detectors, Figueira da Foz, Portugal, 1-5 July, 2012. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | O'Shea, Professor Val and Maneuski, Dr Dima and Blue, Dr Andrew and Bates, Dr Richard |
| Authors: | Zain, R.M., Maneuski, D., O'Shea, V., Bates, R., Blue, A., Cunnigham, L., Stehl, C., Berderman, E., and Rahim, R.A. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Journal of Instrumentation |
| Publisher: | Institute of Physics Publishing Ltd. |
| ISSN: | 1748-0221 |
| ISSN (Online): | 1748-0221 |
| Published Online: | 31 January 2013 |
| Copyright Holders: | Copyright © 2013 The Authors |
| First Published: | First published in Journal of Instrumentation 8(01):C01056 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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