polarization rotation and monoclinic distortion in ferroelectric (bi0.5na0.5)tio3–batio3 single crystals under electric fields

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ID: 240913
2014
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Abstract
The features of the crystal structures and spontaneous polarization (Ps) under an electric field (E) have been reviewed for (1 − x)(Bi0.5Na0.5)TiO3–xBaTiO3 (BNT–BT). In-situ measurements of high-resolution synchrotron radiation X-ray diffraction (SR-XRD) under electric fields show that single crystals with x = 0 (BNT) and 5% have a monoclinic distortion in space group Cc at 25 °C. The SR-XRD study combined with density functional theory (DFT) calculations demonstrates that BNT–5%BT exhibits a rotation of Ps in the monoclinic a–c plane by 2° under an E of 70 kV/cm along the <001> pseudo-cubic direction, which is much larger than BNT.
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ogino2014crystalspolarization Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Motohiro Ogino;Yuji Noguchi;Yuuki Kitanaka;Masaru Miyayama;Chikako Moriyoshi;Yoshihiro Kuroiwa
Journal turk kardiyoloji dernegi arsivi
Year 2014
DOI
10.3390/cryst4030273
URL
http://www.mdpi.com/2073-4352/4/3/273
Keywords
X-ray diffraction DFT

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