Intermodulation Distortion in Epitaxial Y-Ba-Cu-O Thick Films and Multilayers
We report intermodulation distortion (IMD) in high-quality epitaxial YBa[subscript 2]Cu[subscript 3]O[subscript 7-delta] (YBCO) thick films and multilayers prepared by pulsed-laser deposition (PLD) using multiple targets. Two sets of films were prepared: single-layer and multilayer YBCO films in wh...
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| Format: | Article |
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Institute of Electrical and Electronics Engineers
2010
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| Online Access: | http://hdl.handle.net/1721.1/52619 |
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| author | Oates, Daniel E. Eom, Chang-Beom Folkman, Chad M Choi, Kyoung-Jin Jang, Ho Won |
| author2 | Lincoln Laboratory |
| author_facet | Lincoln Laboratory Oates, Daniel E. Eom, Chang-Beom Folkman, Chad M Choi, Kyoung-Jin Jang, Ho Won |
| author_sort | Oates, Daniel E. |
| collection | MIT |
| description | We report intermodulation distortion (IMD) in high-quality epitaxial YBa[subscript 2]Cu[subscript 3]O[subscript 7-delta] (YBCO) thick films and multilayers prepared by pulsed-laser deposition (PLD) using multiple targets. Two sets of films were prepared: single-layer and multilayer YBCO films in which a 20-nm-thick CeO[subscript 2] inter layer is inserted between every 100-nm-thick YBCO layer. With increasing YBCO thickness from 200 nm to 1200 nm, single-layer films exhibited improvement of IMD, whereas multilayer films showed degradation of IMD. Similarly, YBCO crystalline quality in single-layer films was improved with increasing the thickness, while that in multi-layers films degraded. These results suggest that there is a strong correlation between crystalline quality and IMD for YBCO films. The comparison of experimental data with the theory of IMD suggests that improving crystalline quality is essential for YBCO films with thickness greater than 1 mum to achieve an intrinsic nonlinear behavior. PLD using multiple targets is a very useful method to grow thick YBCO films with high crystalline quality and low IMD. |
| first_indexed | 2024-09-23T14:23:44Z |
| format | Article |
| id | mit-1721.1/52619 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T14:23:44Z |
| publishDate | 2010 |
| publisher | Institute of Electrical and Electronics Engineers |
| record_format | dspace |
| spelling | mit-1721.1/526192022-09-29T09:11:12Z Intermodulation Distortion in Epitaxial Y-Ba-Cu-O Thick Films and Multilayers Oates, Daniel E. Eom, Chang-Beom Folkman, Chad M Choi, Kyoung-Jin Jang, Ho Won Lincoln Laboratory Oates, Daniel E. Oates, Daniel E. pulsed-laser deposition nonlinearity Intermodulation distortion ${rm YBa}_{2}{rm Cu}_{3}{rm O}_{7-delta}$ We report intermodulation distortion (IMD) in high-quality epitaxial YBa[subscript 2]Cu[subscript 3]O[subscript 7-delta] (YBCO) thick films and multilayers prepared by pulsed-laser deposition (PLD) using multiple targets. Two sets of films were prepared: single-layer and multilayer YBCO films in which a 20-nm-thick CeO[subscript 2] inter layer is inserted between every 100-nm-thick YBCO layer. With increasing YBCO thickness from 200 nm to 1200 nm, single-layer films exhibited improvement of IMD, whereas multilayer films showed degradation of IMD. Similarly, YBCO crystalline quality in single-layer films was improved with increasing the thickness, while that in multi-layers films degraded. These results suggest that there is a strong correlation between crystalline quality and IMD for YBCO films. The comparison of experimental data with the theory of IMD suggests that improving crystalline quality is essential for YBCO films with thickness greater than 1 mum to achieve an intrinsic nonlinear behavior. PLD using multiple targets is a very useful method to grow thick YBCO films with high crystalline quality and low IMD. United States Air Force Office of Scientific Research (Grants FA9550-06-1-0415 and FA8721-05-C-0002) 2010-03-16T18:00:56Z 2010-03-16T18:00:56Z 2009-06 2008-08 Article http://purl.org/eprint/type/JournalArticle 1051-8223 http://hdl.handle.net/1721.1/52619 Ho Won Jang et al. “Intermodulation Distortion in Epitaxial Y-Ba-Cu-O Thick Films and Multilayers.” Applied Superconductivity, IEEE Transactions on 19.3 (2009): 2855-2858. © 2009 IEEE en_US http://dx.doi.org/10.1109/TASC.2009.2019668 IEEE Transactions on Applied Superconductivity Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf Institute of Electrical and Electronics Engineers IEEE |
| spellingShingle | pulsed-laser deposition nonlinearity Intermodulation distortion ${rm YBa}_{2}{rm Cu}_{3}{rm O}_{7-delta}$ Oates, Daniel E. Eom, Chang-Beom Folkman, Chad M Choi, Kyoung-Jin Jang, Ho Won Intermodulation Distortion in Epitaxial Y-Ba-Cu-O Thick Films and Multilayers |
| title | Intermodulation Distortion in Epitaxial Y-Ba-Cu-O Thick Films and Multilayers |
| title_full | Intermodulation Distortion in Epitaxial Y-Ba-Cu-O Thick Films and Multilayers |
| title_fullStr | Intermodulation Distortion in Epitaxial Y-Ba-Cu-O Thick Films and Multilayers |
| title_full_unstemmed | Intermodulation Distortion in Epitaxial Y-Ba-Cu-O Thick Films and Multilayers |
| title_short | Intermodulation Distortion in Epitaxial Y-Ba-Cu-O Thick Films and Multilayers |
| title_sort | intermodulation distortion in epitaxial y ba cu o thick films and multilayers |
| topic | pulsed-laser deposition nonlinearity Intermodulation distortion ${rm YBa}_{2}{rm Cu}_{3}{rm O}_{7-delta}$ |
| url | http://hdl.handle.net/1721.1/52619 |
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