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Piezoelectric Nanomaterials for Biomedical Applications



Piezoelectric Nanomaterials for Biomedical Applications

Author: Gianni Ciofani

Publisher: Springer

Genres:

Publish Date: April 5, 2012

ISBN-10: 3642280439

Pages: 250

File Type: PDF

Language: English

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Book Description

Due to their peculiar properties, piezoelectric materials have found extremely wide applications in the fields of electrical, ultrasonic, robotics, energy conversion, medicine, space, domestic industries and many others.

This book aims at reviewing piezoelectric phenomena at the nanoscale, with particular attention to biomedical and nanomedicine applications. The first Chapter presents a general introduction to “smart materials”. Smart materials are able to change some of their properties in response to an external stimulus or to a changes in surrounding environment conditions. In the latest years these materials have gained considerable attention in the biomedical community because of the potential applications in a multitude of active structures and devices.A short introduction to smart materials is provided, as well as a summary of recent related achievements in biomedicine.

The second Chapter is dedicated to the preparation of piezoelectric nanoparticles, with emphasis on Pb(ZrxTi1-x)O3 systems, detailed descriptions of the most common methods of synthesis (ball milling, mechanicochemical synthesis, coprecipitation technique, hydrothermal method and sol-gel route) are approached, in order to give a comprehensive overview of the enabling manufacturing technologies.

Characterization of piezoelectric materials is provided in Chapter 3, where the focus is on nanomechanical and electromechanical methods for one-dimensional nanomaterials, that are particular interesting for their potential application in nanoelectronics and future nanodevices.

Since fabrication, characterization, and integration into practical devices of nanostructures is unavoidably complex and expensive, accurate models are crucial for designing high performance nanostructures-based devices: Chapter 4 reviews both piezoelectric constitutive equations and equivalent circuits for piezoelectric transducers, and it shows how these tools can be applied to model and design usable piezoelectric nanodevices


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