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Preparation of Na0.5K0.5NbO3/La0.6Sr 0.2Mni.2O3/LaAIO3 thin film structures by pulsed laser deposition
Department of Condensed Matter Physics, Royal Institute of Technology.
Department of Condensed Matter Physics, Royal Institute of Technology.
Department of Condensed Matter Physics, Royal Institute of Technology.
1999 (English)In: Multicomponent oxide films for electronics: symposium held April 6 - 8, 1999, San Francisco, California, U.S.A ; [contains papers presented at Symposium BB, Multicomponent oxide films for electronics held at the 1999 MRS Spring Meeting] / [ed] Marilyn E. Hawley, Warrendale, Pa: Materials Research Society, 1999, p. 149-154Conference paper, Published paper (Refereed)
Abstract [en]

We report on ferroelectric/giant magnetoresistive Nao.sKo.sNbCVLao.oSrojMniO} (NKN/LSMO) heterostructures gro\vn onto LaAlOj (001) single crystal using KrF pulsed laser ablation of stoichiometric ceramic target. Main processing parameters have been optimized to obtain smooth LSMO template layer, avoid NKN-LSMO interdiffusion, preserve NKN stoichiometry against the lost of volatile potassium and sodium and achieve reasonable reliability of NKN film performance. X-ray diffraction 0- 20 scans and rocking curves evidence for single-phase content and high c-axis orientation both in template LSMO and top NKN layers. Ferroelectric measurements yield remnant polarization P, of 1.5 (.iC/cm2 and spontaneous polarization Ps of 7 jiC/cm2 at electric field strength of 130 kV/cm. At room temperature, dielectric permittivity e' and dissipation factor tancJhave been found to vary from 595 to 555 and 0.046 to 0.029 respectively in the frequency range of 0.4 to 20 kHz. At 10 kHz dielectric permittivity linearly increases from 410 to 650 in the temperature range 77 K to 415 K while the dissipation factor below 320 K does not exceed 3%

Place, publisher, year, edition, pages
Warrendale, Pa: Materials Research Society, 1999. p. 149-154
Series
Materials Research Society Symposium Proceedings, ISSN 0272-9172 ; 574
National Category
Composite Science and Engineering Other Materials Engineering
Research subject
Polymeric Composite Materials; Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-27302Scopus ID: 33750847675Local ID: 0b6df8b0-4063-11de-bc0c-000ea68e967bISBN: 1558994815 (print)OAI: oai:DiVA.org:ltu-27302DiVA, id: diva2:1000485
Conference
Symposium BB, Multicomponent oxide films for electronics : 06/04/1999 - 08/04/1999
Note
Godkänd; 1999; 20090514 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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