Author: Arne Lüker
Paperback: 422 pages
Publisher: Vindobona (16. Mai 2012)
Ein deutscher Student wird in einer Lissaboner Wohnung tot aufgefunden. Der brummige Inspektor Vasques Monteiro sowie der Journalist Fernando dos Santos machen sich unabhängig voneinander auf die Suche nach dem Mörder. Im Schatten der portugiesischen Hauptstadt begeben sie sich tiefer und tiefer in ein scheinbar undurchdringbares Geflecht aus Lüge, Trug, Missgunst und Pornoindustrie. Nur um sich am Ende eines ganz sicher zu sein: Es ist oft nicht so wie es scheint ...
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Sol-Gel derived Ferroelectric Thin Films for Voltage Tunable Applications
Author: Arne Lüker
Paperback: 184 pages
Publisher: VDM Verlag Dr. Müller (December 7, 2010)
Price: 90$, £58, 68€
Ferroelectric perovskite thin films for voltage tunable applications, namely (Ba,Sr)TiO3 (Barium Strontium Titanate or BST) and (Pb,Sr)TiO3 (Lead Strontium Titanate or PST), are synthesized via the so-called sol-gel route. While BST shows the tendency to severe film cracking, PST can be grown crack free onto platinised Si standard substrates and even directly onto SiO2, SiNx or bare Si. The growth kinetics of PST on platinised SiO2/Si and directly on SiO2/Si are studied in detail using X-ray diffractometry (XRD), scanning electron and atomic force microscopy, SEM and AFM respectively. The dielectric properties, e.g. dielectric constant, loss and tunability of these films were measured. Mn doped PST thin films are grown on Ti/Pt coated SiO2/Si substrates. The surface morphologies, dielectric and tunable properties of these films are investigated as a function of Mn content. It is found that the grain size/roughness, dielectric constant, loss, tunability and figure of merit are affected by the Mn doping level. Further on it is found that the ferroelectricity and the transition temperature between the cubic paraelectric and tetragonal ferroelectric state increase with Mn content.
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Ferroelectrics - Material Aspects
Editor: MickaŽl Lallart
Hard cover: 518 pages
Publisher: InTech (August 2011)
Ferroelectric materials have been and still are widely used in many applications, that have moved from sonar towards breakthrough technologies such as memories or optical devices. This book is a part of a four volume collection (covering material aspects, physical effects, characterization and modeling, and applications) and focuses on ways to obtain high-quality materials exhibiting large ferroelectric activity. The book covers the aspect of material synthesis and growth, doping and composites, lead-free devices, and thin film synthesis. The aim of this book is to provide an up-to-date review of recent scientific findings and recent advances in the field of ferroelectric materials, allowing a deep understanding of the material aspects of ferroelectricity.
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