Microstructural And Electrical Characterization Of Barium Strontium Titanate Based Solid Solution Thin Films Deposited On Ceramic Substrates By Pulsed Laser Deposition PDF Download
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Author | : Costas G. Fountzoulas |
Publisher | : |
Total Pages | : 6 |
Release | : 2003 |
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Download Microstructural and Electrical Characterization of Barium Strontium Titanate-Based Solid Solution Thin Films Deposited on Ceramic Substrates by Pulsed Laser Deposition Book in PDF, ePub and Kindle
Ferroelectrics are multicomponent materials with a wealth of interesting and useful properties, such as piezoelectricity. The dielectric constant of the BSTO ferroelectrics can be changed by applying an electric field. Variable dielectric constant results in a change in phase velocity in the device allowing it to be tuned in real time for a particular application. The microstructure of the film influences the electronic properties which in turn influences the performance of the film. Ba(0.6)Sr(0.4)Ti(1-y)(A(3+), B(5+))(y)O3 thin films, of nominal thickness of 0.65 micrometer, were synthesized initially at substrate temperatures of 400 deg C, and subsequently annealed to 750 deg C, on LaAlO3 (100) substrates, previously coated with LaSrCoO conductive buffer layer, using the pulsed laser deposition technique. The microstructural and physical characteristics of the post-annealed thin films have been studied using x-ray diffraction, scanning electron microscopy, and nano indentation and are reported. Results of capacitance measurements are used to obtain dielectric constant and tunability in the paraelectric (T>Tc) regime.
Author | : Anuranjan Srivastava |
Publisher | : |
Total Pages | : 132 |
Release | : 1999 |
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Download Growth and Characterization of Barium Strontium Titanate Thin Films with Enhanced Electrical Properties Using Pulsed Laser Deposition Book in PDF, ePub and Kindle
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Total Pages | : 616 |
Release | : 2004-04-09 |
Genre | : Technology & Engineering |
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Download Ferroelectric Thin Films XII: Volume 784 Book in PDF, ePub and Kindle
The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners. This book, first published in 2004, offers scientific and technological information on ferroelectric thin films from an international mix of academia, industry and government organizations.
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Total Pages | : 616 |
Release | : 2005 |
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Download Ferroelectric Thin Films Book in PDF, ePub and Kindle
Author | : Danielle Marie Tahan |
Publisher | : |
Total Pages | : 352 |
Release | : 1997 |
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Download Microstructure and Electrical Property Characterization of Barium Strontium Titanate Thin Films Prepared by a Sol-gel Technique for Dram Capacitor Applications Book in PDF, ePub and Kindle
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Total Pages | : 13 |
Release | : 1994 |
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Download Investigation of the Characteristics of Ferroelectric Thin Films Deposited by Pulsed Laser Ablation Book in PDF, ePub and Kindle
Ferroelectric thin films of barium strontium titanate (BSTO) have been deposited on bare and metallized substrates by the pulsed laser ablation method under different oxygen ambients (150 mT and 50 mT). Under an oxygen pressure of 150 mT, the film composition was similar to that of its ablation target composition, viz. Ba(0.6)Sr(0.4)TiO3. However, when the films were deposited under the lower oxygen pressure, x-ray diffraction studies showed the presence of a secondary phase. The electrical characteristics of the films were measured to examine the effect of the stoichiometry on the dielectric constant and tunability. jg.
Author | : Steven C. Tidrow |
Publisher | : |
Total Pages | : 232 |
Release | : 2002-08-09 |
Genre | : Technology & Engineering |
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Download Materials Issues for Tunable RF and Microwave Devices III: Volume 720 Book in PDF, ePub and Kindle
Challenges facing the implementation of an affordable tunable RF and microwave device technology are discussed in these papers from an April 2002 meeting. Materials issues and devices are examined, with information on new tunable materials, issues of preparation and optimization of bulk and think film properties, material and surface characterization, evaluation of material loss and loss mechanisms, and effects of microstructure. At the device level, phase shifters are discussed and a new device concept for variable true time delay versus phase shift is introduced. At the system level, a paraelectric lens is used to demonstrate electronic beam steering of an antenna. Tidrow is affiliated with the US Army Research Laboratory. Annotation copyrighted by Book News, Inc., Portland, OR
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Total Pages | : 704 |
Release | : 1995 |
Genre | : Aeronautics |
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Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
Author | : Pierre Villars |
Publisher | : Walter de Gruyter |
Total Pages | : 1827 |
Release | : 2012-12-21 |
Genre | : Science |
ISBN | : 3110276658 |
Download Bibliography Book in PDF, ePub and Kindle
By browsing about 10 000 000 scientific articles of over 200 major journals mainly in a 'cover to cover approach' some 200 000 publications were selected. The extracted data is part of the following fundamental material research fields: crystal structures (S), phase diagrams (also called constitution) (C) and the comprehensive field of intrinsic physical properties (P). This work has been done systematically starting with the literature going back to 1900. The above mentioned research field codes (S, C, P) as well as the chemical systems investigated in each publication were included in the present work. The aim of the Inorganic Substances Bibliography is to provide researchers with a comprehensive compilation of all up to now published scientific publications on inorganic systems in only three handy volumes.
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Total Pages | : 950 |
Release | : 1999 |
Genre | : Ceramics |
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Download Ceramic Abstracts Book in PDF, ePub and Kindle