Results 31 to 40 of about 3,967 (182)

Unusual behavior of the ferroelectric polarization in PbTiO3/SrTiO3 superlattices [PDF]

open access: yes, 2005
peer reviewedArtificial PbTiO3/SrTiO3 superlattices were constructed using off-axis rf magnetron sputtering. X-ray diffraction and piezoelectric atomic force microscopy were used to study the evolution of the ferroelectric polarization as the ratio of ...
Triscone, J.-M.   +17 more
core   +1 more source

Preparation of epitaxial PbTiO3 thin films by pulsed laser deposition [PDF]

open access: yes, 1998
Epitaxial PbTiO3 thin films were prepared in situ by pulsed laser deposition on MgO(001) and SrTiO3(001) single crystal substrates. The effects of oxygen pressure and substrate temperature on the growth of films were investigated.
Baik, S   +11 more
core   +1 more source

Domain structure and Raman modes in PbTiO3 [PDF]

open access: yes, 2012
A comparative analysis of Raman spectra from poly-domain PbTiO3 thin films with poly-domain and single-domain PbTiO3 crystals is presented. Raman spectroscopy reveals that the profiles of A1-symmetry modes can be significantly modified by the existence ...
Abrutis, A.   +2 more
core   +1 more source

Optimization of seed layer of PbTiO3/PbZr0.3Ti0.7O3/PbTiO3 sandwich structure ferroelectric thin film

open access: yesActa Physica Sinica, 2008
The PT/PZT/PT and PZT thin films were prepared by sol-gel method. Different Pb content (x) (x=0, 005, 010, 015, 020) were added in excess to the PT precursor to optimize PT seed layer. The XRD and AFM results show that the crystalline phase and microstructure of the films were greatly affected by the excess Pb content (x) in PT layers.
null Wang Long-Hai   +4 more
openaire   +1 more source

Multiferroicity in V-doped PbTiO3 [PDF]

open access: yes, 2013
We report ab initio predictions on the proper multiferroic (ferromagnetic, insulating and ferroelectric) character of PbTiO3 doped with vanadium (V). Ferromagnetically coupled V impurities carry a magnetization of 1 μB each.
RICCI, FRANCESCO, FIORENTINI, VINCENZO
core   +1 more source

Glory of piezoelectric perovskites

open access: yesScience and Technology of Advanced Materials, 2015
This article reviews the history of piezoelectric perovskites and forecasts future development trends, including Uchino’s discoveries such as the Pb(Mg1/3Nb2/3)O3–PbTiO3 electrostrictor, Pb(Zn1/3Nb2/3)O3–PbTiO3 single crystal, (Pb, La)(Zr, Ti)O3 ...
Kenji Uchino
doaj   +1 more source

Bond-valence model of ferroelectric PbTiO3 [PDF]

open access: yes, 2008
A classical potential parameterized for the reproduction of density functional calculations is used to describe the behavior of complex ferroelectric PbTiO3. A scoring function is defined in terms of the energy differences and the forces of the reference
Shin, YH, Rappe, AM, Lee, BJ
core   +1 more source

Ideal two-dimensional electronic structure in bulk lead titanate for superior thermoelectrics

open access: yesResults in Physics
An ideal two-dimensional (2D) electronic structure is revealed in n-type tetragonal perovskite PbTiO3 through first-principle calculations. This opens exciting prospects for its applications in thermal-to-electrical energy conversion.
Te-Hsien Wang
doaj   +1 more source

تأثير درجة الحرارة على خواص العزل الكهربائي لمادة تيتانيت الرصاص PbTiO3 [PDF]

open access: yesمجلة ابحاث كلية التربية الاساسية, 2012
تم تحضير مادة تيتانيت الرصاصPbTiO3 باستخدام طريقة تفاعل الحالة الصلبة. في هذه الطريقة تم حرق خليط المركبين (PbO : TiO2 ) وبنسبة مولية [1 : 1] بدرجة حرارة حرق 900 оC ولمدة 2 hr ؛ تم التحقق من تبلور ونمو الطور الرباعي لمادة PbTiO3 ((c/a=1.039 باستخدام ...
د.جاسم محمد ياسين ألنعيمي
doaj  

Orbital Magnetic Moment Controlled Converse Magnetoelectric Effect in bcc‐Co3Mn/Fe/V/PMN‐PT Multiferroic Heterostructures

open access: yesAdvanced Science, EarlyView.
Based on orbital magnetic moment control, a material design strategy is proposed for a giant converse magnetoelectric effect in multiferroic heterostructures. This study will pioneer a promising route toward low‐power spintronic devices with an electric field.
Takamasa Usami   +5 more
wiley   +1 more source

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