Elastic Properties and Enhanced Piezoelectric Response at Morphotropic Phase Boundaries

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Elastic Properties and Enhanced Piezoelectric Response at Morphotropic Phase Boundaries

The search for improved piezoelectric materials is based on the morphotropic phase boundaries (MPB) between ferroelectric phases with different crystal symmetry and available directions for the spontaneous polarization. Such regions of the composition x - T phase diagrams provide the conditions for minimal anisotropy with respect to the direction of the polarization, so that the polarization ca...

متن کامل

Piezoelectric Ceramics with Compositions at the Morphotropic Phase Boundary in the BiFeO3–PbZrO3–PbTiO3 Ternary System

Since ceramics in the PbZrO3–PbTiO3 binary system display excellent piezoelectric properties and those in BiFeO3–PbTiO3 exhibit high Curie temperatures, morphotropic phase boundary (MPB) compositions in the BiFeO3–PbZrO3–PbTiO3 ternary solid solution system are investigated for the development of piezoelectric ceramics for high temperature applications. It is found that the MPB compositions in ...

متن کامل

Phase Boundaries in Alloys with Elastic Misst

We study a mathematical model describing phase transformations in alloys with kinetics driven by mass transport and stress. To describe the dynamics, a Cahn-Hilliard system taking elastic eeects into account is studied. Existence and uniqueness results for the resulting singular elliptic{parabolic system are given. In the Cahn-Hilliard model, phase boundaries are described by a diffuse interfac...

متن کامل

The monoclinic phase in PZT: new light on morphotropic phase boundaries

$! A summary of the work recently carried out on the morphotropic phase boundary (MPB) of PZT is presented. By means of x-ray powder diffraction on ceramic samples of excellent quality, the MPB has been successfully characterized by changing temperature in a series of closely spaced compositions. As a result, an unexpected monoclinic phase has been found to exist in between the well-known tetra...

متن کامل

Composition and temperature-induced structural evolution in La, Sm, and Dy substituted BiFeO3 epitaxial thin films at morphotropic phase boundaries

substituted BiFeO3 epitaxial thin films at morphotropic phase boundaries Daisuke Kan, Ching-Jung Cheng, Valanoor Nagarajan, and Ichiro Takeuchi Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, USA Institute for Chemical Research, Kyoto University, Gokasyo Uji, Kyoto 611-0011, Japan School of Materials Science and Engineering, University of N...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Materials

سال: 2015

ISSN: 1996-1944

DOI: 10.3390/ma8125452