Banys, J. and Ivanov, M. and Macutkevic, J. and Krotkus, A. and Fan, H. J. and Kawasaki, S. and Scott, J. F. (2009) THz Emission from PZT - Nanotubes. Ferroelectrics, 378 (1). p. 79. ISSN 1563-5112 (electronic) 0015-0193 (paper) DOI https://doi.org/10.1080/00150190902845152
Full text not available from this repository.Abstract
We report THz emission from lead zirconate-titanate (PZT) nanotube arrays, which is totally absent in flat films or bulk PZT; hence the effect is due to the nano-scale geometry of the tubes, which are 1 μ m in total diameter, 40 nm in wall thickness and standing normal to the Si substrates. The THz radiation is emitted within 0.2 ps and the spectrum exhibits a broad peak from 2 to 8 THz due to the abnormally large carrier concentration gradient and large piezoelectric coefficient in PZT; the inferred mechanism is optical rectification within a surface accumulation layer, rather than the Dember effect.
Item Type: | Article |
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Uncontrolled Keywords: | 08AREP; IA57; |
Subjects: | 03 - Mineral Sciences |
Divisions: | 03 - Mineral Sciences |
Journal or Publication Title: | Ferroelectrics |
Volume: | 378 |
Page Range: | p. 79 |
Identification Number: | https://doi.org/10.1080/00150190902845152 |
Depositing User: | Sarah Humbert |
Date Deposited: | 04 Jun 2009 12:34 |
Last Modified: | 23 Jul 2013 09:55 |
URI: | http://eprints.esc.cam.ac.uk/id/eprint/1069 |
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