Investigation the dielectrical and electromechanical properties of PZT thin films

نویسنده

  • M. R. Benam
چکیده

We have studied thedielectric and electromechanical properties of pure and doped Pb(Zr0.53Ti0.47)O3thin films.Samples were prepared bya sol-gel method and werecalcined at temperatures of 700oC for two hours in a Pb-rich atmosphere.It was observed a negligible effect occurs during the tetragonal–rhombohedral transition in the preparedpure and doped PZT thin films.The optimal amount of electrical parameters were obtained to be 945, 323 pC/N, 40 mV/N, and 300 for dielectric constant, charge constant, Voltage constant, and Quality factor, respectively. Also the electromechanical coupling factor (kp) was found to be0.49for the dopedPZT

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

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

VIBRATION ENERGY HARVESTERS OF LEAD-FREE (K,Na)NbO3 PIEZOELECTRIC THIN FILMS

In this study, we fabricated piezoelectric energy harvesters composed of lead-free (K,Na)NbO3 (KNN) thin films and compared the power generation performance with PZT-thin film energy harvesters. Both of the piezoelectric thin films were deposited on Pt/Ti/Si cantilevers by rf-sputtering. The KNN and PZT thin films had perovskite structure, and showed the relative dielectric constants of 744 and...

متن کامل

COMPOSITION DEPENDENCE OF MECHANICAL AND PIEZOELECTRIC PROPERTIES OF PULSED LASER DEPOSITED Pb(Zr,Ti)O3 THIN FILMS

In this contribution we present the compositional dependence of the longitudinal piezoelectric coefficient (d33,f), residual stress and Young’s modulus of Pb(Zrx,Ti1−x)O3 (PZT) thin films. Pulsed laser deposition (PLD) was used to deposit epitaxial PZT thin films with a < 110 > preferred orientation on silicon cantilevers. By using PLD, excellent piezoelectric properties of the PZT were observe...

متن کامل

Stress effects in sol-gel derived ferroelectric thin films

Residual stress development during processing of sol-gel derived ferroelectric thin films influences electromechanical properties and performance. The present work investigates the effects of stress on field-induced polarization switching in ferroelectric Pb~Zr0.52Ti0.48)O3 ~PZT! ~52/48! thin films. Film response is measured as a function of externally applied mechanical stress using a double-b...

متن کامل

A Mesoscopic Electromechanical Theory of Ferroelectric Films and Ceramics

We present a multi-scale modelling framework to predict the effective electromechanical behavior of ferroelectric ceramics and thin films. This paper specifically focuses on the mesoscopic scale and models the effects of domains and domain switching taking into account intergranular constraints. Starting from the properties of the single crystal and the pre-poling granular texture, the theory p...

متن کامل

Fabrication of MgF2-SiO2 Nanocomposite Thin Films and Investigation of Their Optical and Hydrophobic Properties

In this research, MgF2-2%SiO2/MgF2 thin films were applied on a glass substrate. At first, MgF2 thin films with the optical thickness were deposited on the glass slide substrates. Then, MgF2-2%SiO2 thin films were deposited on the glass coated with MgF2 thin films. Finally, the nanocomposite thin films were surface treated by the PFTS solution. Characterization of the thin film was done by X-Ra...

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

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

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2013