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Overview
A review on ferroelectric thin films used for nonvolatile random access memories is given. Particular attention is paid to fundamental...
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Capacitor-on-Metal/Via-Stacked-Plug (CMVP) Memory Cell Technologies and Application to a Nonvolatile SRAM
A capacitor-on-metal/via-stacked-plug (CMVP) memory cell was developed for the 0.25 micr meter CMOS logic embedded FeRAM. Using a 445 C MOCVD...
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Novel Si-Substituted Ferroelectric Films
In this chapter, properties of novel Si-substituted ferroelectric films are presented. The films are a solid solution between Bi...
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The Application of FeRAM to Future Information Technology World
The future information technology world needs a simple identification and secure information storage medium. The advanced smart card is a...
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A Chemical Approach Using Liquid Sources Tailored to Bi-Based Layer-Structured Perovskite Thin Films
The electrical properties of Bi-based layer-structured perovskite compounds strongly depend on their anisotropic crystal structure. Because of...
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High-Density Integration
Ferroelectric random access memory (FeRAM) has been pursued as a promising new memory due to its ideal memory properties, such as fast random...
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The Sputtering Technique
In this chapter, the formation of ferroelectric films using the sputtering technique is described. A main topic is a mass production system...
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Rhombohedral PZT Thin Films Prepared by Sputtering
PZT thin films with a rhombohedral perovskite structure were successfully grown on (111) PLT/Pt/Ti/SiO2/Si and (111) Ir/SiO2/Si substrates. The...
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Correlation Between Domain Structures and Dielectric Properties in Single Crystals of Ferroelectric Solid Solutions
In the present chapter, the growth of single crystals in relaxor–PbTiO3 (PT) solid solution system by the flux method and the solution Bridgman...
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Relaxor Superlattices: Artificial Control of the Ordered–Disordered State of B-Site Ions in Perovskites
We have developed a new superlattice technique to artificially control the B-site ordering state. The technique has been applied to Ba(Zr0.2Ti0.8)O3,...
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Pb-Based Ferroelectric Thin Films Prepared by MOCVD
This Chapter focuses on the preparation and ferroelectric properties of Pb-based thin films and nanostructures. First, the growth behavior of...
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Chemical Solution Depositionof Layer-Structured Ferroelectric Thin Films
Ferroelectric rare-earth-doped Bi4Ti3O12 thin films have been successfully prepared on Si-based substrates by using metallo-organic precursor...
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Growth and Magnetotransport Properties of Thin Co2MnGe Layered Structures
Co2MnGe and other related Heusler alloys are investigated in the context of magnetotransport properties in multilayer (ML) structures. The most...
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General Theory of Superexchange in Molecules
After recalling the basic physical backgrounds, we examine the concept of magnetic orbital, which is very useful for treating the mechanism of...
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Synthesis of Single-molecule Magnets Using Metallocyanates
Cyanometallate building blocks are inert and stable molecules that may act as ligands towards metal complexes. A stepwise approach allows...
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Preparation of Novel Materials Using SMMs
Magnetic hysteresis is considered a distinctive feature of bulk magnetic materials, where it arises from long-range ordering and irreversible...
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Single-Chain Magnets:Theoretical Approach and Experimental Systems
Recently, a new class of nano-magnets has been discovered and called single-chain magnets (SCMs) by analogy to the single-molecule magnets (SMMs)....
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Theoretical Aspects of Phase Transitions in Ferroelectric Thin Films
Phase transitions in ferroelectric thin films are discussed theoretically on the basis of the Tilley–Zeks model for the case where the transition is...
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Physics of Ferroelectric Interfaces: An Attempt at Nanoferroelectric Physics
Experiments on devices can be regarded as part of basic physics. Here, theoretical analyses of devices using the interface in a ferroelectric...
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Analysis of Ferroelectricity and Enhanced Piezoelectricity near the Morphotropic Phase Boundary
In this Chapter, we discuss the phase diagram, dielectric constants, elastic constants, piezoelectricity and polarization reversal in the vicinity of...