Grain Engineering Of High Energy Density Batio3 Thick Films Integrated On Si
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Author | : Jun Ouyang |
Publisher | : OAE Publishing Inc. |
Total Pages | : 10 |
Release | : 2023-06-13 |
Genre | : Technology & Engineering |
ISBN | : |
Download Grain engineering of high energy density BaTiO3 thick films integrated on Si Book in PDF, Epub and Kindle
Ferroelectric (FE) ceramics with a large relative dielectric permittivity and a high dielectric strength have the potential to store or supply electricity of very high energy and power densities, which is desirable in many modern electronic and electrical systems. For a given FE material, such as the commonly-used BaTiO3, a close interplay between defect chemistry, misfit strain, and grain characteristics must be carefully manipulated for engineering its film capacitors. In this work, the effects of grain orientation and morphology on the energy storage properties of BaTiO3 thick films were systematically investigated. These films were all deposited on Si at 500 °C in an oxygen-rich atmosphere, and their thicknesses varied between ~500 nm and ~2.6 μm. While a columnar nanograined BaTiO3 film with a (001) texture showed a higher recyclable energy density Wrec (81.0 J/cm3vs. 57.1 J/[email protected] MV/cm, ~40% increase) than that of a randomly-oriented BaTiO3 film of about the same thickness (~500 nm), the latter showed an improved energy density at a reduced electric field with an increasing film thickness. Specifically, for the 1.3 μm and 2.6 μm thick polycrystalline films, their energy storage densities Wrec reached 46.6 J/cm3 and 48.8 J/cm3 at an applied electric field of 2.31 MV/cm (300 V on 1.3 μm film) and 1.77 MV/cm (460 V on 2.6 μm film), respectively. This ramp-up in energy density can be attributed to increased polarizability with a growing grain size in thicker polycrystalline films and is desirable in high pulse power applications.
Author | : Jun Ouyang |
Publisher | : Elsevier |
Total Pages | : 386 |
Release | : 2019-06-06 |
Genre | : Technology & Engineering |
ISBN | : 0128138572 |
Download Nanostructures in Ferroelectric Films for Energy Applications Book in PDF, Epub and Kindle
Nanostructures in Ferroelectric Films for Energy Applications: Grains, Domains, Interfaces and Engineering Methods presents methods of engineering nanostructures in ferroelectric films to improve their performance in energy harvesting and conversion and storage. Ferroelectric films, which have broad applications, including the emerging energy technology, usually consist of nanoscale inhomogeneities. For polycrystalline films, the size and distribution of nano-grains determines the macroscopic properties, especially the field-induced polarization response. For epitaxial films, the energy of internal long-range electric and elastic fields during their growth are minimized by formation of self-assembled nano-domains. This book is an accessible reference for both instructors in academia and R&D professionals. Provides the necessary components for the systematic study of the structure-property relationship in ferroelectric thin film materials using case studies in energy applications Written by leading experts in the research areas of piezoelectrics, electrocalorics, ferroelectric dielectrics (especially in capacitive energy storage), ferroelectric domains, and ferroelectric-Si technology Includes a well balanced mix of theoretical design and simulation, materials processing and integration, and dedicated characterization methods of the involved nanostructures
Author | : American Ceramic Society |
Publisher | : |
Total Pages | : 1058 |
Release | : 1997 |
Genre | : Ceramics |
ISBN | : |
Download Ceramic Abstracts Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 954 |
Release | : 2001 |
Genre | : Power (Mechanics) |
ISBN | : |
Download Digest of Technical Papers Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1948 |
Release | : 1997 |
Genre | : Electrical engineering |
ISBN | : |
Download Electrical & Electronics Abstracts Book in PDF, Epub and Kindle
Author | : Alper Erturk |
Publisher | : John Wiley & Sons |
Total Pages | : 377 |
Release | : 2011-04-04 |
Genre | : Technology & Engineering |
ISBN | : 1119991358 |
Download Piezoelectric Energy Harvesting Book in PDF, Epub and Kindle
The transformation of vibrations into electric energy through the use of piezoelectric devices is an exciting and rapidly developing area of research with a widening range of applications constantly materialising. With Piezoelectric Energy Harvesting, world-leading researchers provide a timely and comprehensive coverage of the electromechanical modelling and applications of piezoelectric energy harvesters. They present principal modelling approaches, synthesizing fundamental material related to mechanical, aerospace, civil, electrical and materials engineering disciplines for vibration-based energy harvesting using piezoelectric transduction. Piezoelectric Energy Harvesting provides the first comprehensive treatment of distributed-parameter electromechanical modelling for piezoelectric energy harvesting with extensive case studies including experimental validations, and is the first book to address modelling of various forms of excitation in piezoelectric energy harvesting, ranging from airflow excitation to moving loads, thus ensuring its relevance to engineers in fields as disparate as aerospace engineering and civil engineering. Coverage includes: Analytical and approximate analytical distributed-parameter electromechanical models with illustrative theoretical case studies as well as extensive experimental validations Several problems of piezoelectric energy harvesting ranging from simple harmonic excitation to random vibrations Details of introducing and modelling piezoelectric coupling for various problems Modelling and exploiting nonlinear dynamics for performance enhancement, supported with experimental verifications Applications ranging from moving load excitation of slender bridges to airflow excitation of aeroelastic sections A review of standard nonlinear energy harvesting circuits with modelling aspects.
Author | : Edward G. Grimsal |
Publisher | : |
Total Pages | : 8 |
Release | : 1950 |
Genre | : Barium compounds |
ISBN | : |
Download Structure of BaTiO3 Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 660 |
Release | : 1993 |
Genre | : Dissertations, Academic |
ISBN | : |
Download Dissertation Abstracts International Book in PDF, Epub and Kindle
Author | : Cheol Seong Hwang |
Publisher | : Springer Science & Business Media |
Total Pages | : 266 |
Release | : 2013-10-18 |
Genre | : Science |
ISBN | : 146148054X |
Download Atomic Layer Deposition for Semiconductors Book in PDF, Epub and Kindle
Offering thorough coverage of atomic layer deposition (ALD), this book moves from basic chemistry of ALD and modeling of processes to examine ALD in memory, logic devices and machines. Reviews history, operating principles and ALD processes for each device.
Author | : |
Publisher | : |
Total Pages | : 1146 |
Release | : 1994 |
Genre | : Physics |
ISBN | : |
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