نتایج جستجو برای: calcium titanate

تعداد نتایج: 170772  

Journal: :Physical review letters 2002
Uong Chon Hyun M Jang M G Kim C H Chang

A series of titanate-based layered perovskites having large values of the spontaneous polarization P(s) were developed for their applcations to nonvolatile ferroelectric random access memories. Among these, the Nd-modified bismuth titanate [Bi(4-x)Nd(x)Ti(3)O(12) (BNdT)] system exhibited the most remarkable ferroelectric properties. The c-axis oriented BNdT capacitor was characterized by a swit...

2016
Saidur Rahman Bakaul Claudy Rayan Serrao Michelle Lee Chun Wing Yeung Asis Sarker Shang-Lin Hsu Ajay Kumar Yadav Liv Dedon Long You Asif Islam Khan James David Clarkson Chenming Hu Ramamoorthy Ramesh Sayeef Salahuddin

Single-crystalline thin films of complex oxides show a rich variety of functional properties such as ferroelectricity, piezoelectricity, ferro and antiferromagnetism and so on that have the potential for completely new electronic applications. Direct synthesis of such oxides on silicon remains challenging because of the fundamental crystal chemistry and mechanical incompatibility of dissimilar ...

2017
Jean-Fabien Capsal Eric Dantras Jany Dandurand Colette Lacabanne

Barium titanate ceramic powders have been incorporated in polyamide 11 to form homogeneous dispersion of particles in the matrix. Barium titanate/polyamide 11 nanocomposites have been synthesized using a solvent casting method with ultrasonic stirring to homogeneously disperse inclusions in the matrix. Composites with volume fraction of barium titanate / ranging from 0.01 to 0.4 were elaborated...

Journal: :Applied optics 2000
V N Filippov A N Starodumov Y O Barmenkov V V Makarov

A fiber-optic voltage sensor based on the longitudinal Pockels effect in a Bi(12)TiO(20) crystal is described. The use of a special backreflecting prism as a phase-retarding element is shown to improve the sensitivity and temperature stability of the sensor. A comparison between the temperature properties of the glass backreflecting prism and that of a quarter-wave plate is derived. The sensor ...

Journal: :Nanoscale 2016
Lawrence A Crosby Robert M Kennedy Bor-Rong Chen Jianguo Wen Kenneth R Poeppelmeier Michael J Bedzyk Laurence D Marks

The surface structure of (110) faceted strontium titanate nanoparticles synthesized via solvothermal method has been resolved using high-resolution electron microscopy (HREM). We demonstrate that the surface is a titania-rich structure containing tetrahedrally coordinated TiO4 units similar to the family of (n × 1) reconstructions observed on (110) surfaces of bulk crystalline strontium titanat...

2015
Hui Wang Yue-Kun Lai Ru-Yue Zheng Ye Bian Ke-Qin Zhang Chang-Jian Lin

Biological performance of artificial implant materials is closely related to their surface characteristics, such as microtopography, and composition. Therefore, convenient fabrication of artificial implant materials with a cell-friendly surface structure and suitable composition was of great significance for current tissue engineering. In this work, titanate materials with a nanotubular structu...

2014
Jun Zhang Kui Xie Haoshan Wei Qingqing Qin Wentao Qi Liming Yang Cong Ruan Yucheng Wu

In this work, redox-active Mn or Cr is introduced to the B site of redox stable perovskite Sr(0.95)Ti(0.9)Nb(0.1)O3.00 to create oxygen vacancies in situ after reduction for high-temperature CO2 electrolysis. Combined analysis using X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy and thermogravimetric analysis confirms the change of the chemical formula fro...

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