yttrium chromite
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Effects of sintering atmosphere on the interaction between doped yttrium chromite anode and yttria stabilized zirconia electrolyte

2017 ◽  
Vol 307 ◽  
pp. 21-25 ◽  
Author(s):  
Kang Yan ◽  
Haruo Kishimoto ◽  
Katherine Develos-Bagarinao ◽  
Katsuhiko Yamaji ◽  
Teruhisa Horita ◽  
...  
Keyword(s):  
Yttria Stabilized Zirconia ◽  
Stabilized Zirconia ◽  
Sintering Atmosphere ◽  
Yttrium Chromite ◽  
Zirconia Electrolyte

Local structural distortion and interrelated phonon mode studies in yttrium chromite

2017 ◽  
Vol 32 (8) ◽  
pp. 1541-1547 ◽  
Author(s):  
Venkateswara Rao Mannepalli ◽  
Rajamani Raghunathan ◽  
Ranjith Ramadurai ◽  
Adrian David ◽  
Wilfrid Prellier
Keyword(s):  
Phonon Mode ◽  
Structural Distortion ◽  
Yttrium Chromite ◽  
Image Position

Abstract

Chemical compatibility of doped yttrium chromite and ceria composite materials with YSZ electrolyte

2016 ◽  
Vol 288 ◽  
pp. 88-93 ◽  
Author(s):  
Kang Yan ◽  
Haruo Kishimoto ◽  
Katherine Develos-Bagarinao ◽  
Katsuhiko Yamaji ◽  
Teruhisa Horita ◽  
...  
Keyword(s):  
Composite Materials ◽  
Chemical Compatibility ◽  
Yttrium Chromite ◽  
Ysz Electrolyte

Effect of heterovalent substitutions in yttrium chromite on the hyperfine interactions of 119Sn4+ studied by Mössbauer spectroscopy

2016 ◽  
Vol 235 ◽  
pp. 154-159 ◽  
Author(s):  
Pavel B. Fabritchnyi ◽  
Mikhail I. Afanasov ◽  
Evgeny M. Mezhuev ◽  
Alain Wattiaux ◽  
Mathieu Duttine ◽  
...  
Keyword(s):  
Mössbauer Spectroscopy ◽  
Mossbauer Spectroscopy ◽  
Hyperfine Interactions ◽  
Mößbauer Spectroscopy ◽  
Yttrium Chromite

Studies on Local Structural Inhomogeneity and Origin of Ferroelectricity in Yttrium chromite Ceramics

MRS Advances ◽  
2016 ◽  
Vol 1 (9) ◽  
pp. 609-614 ◽  
Author(s):  
Venkateswara rao Mannepalli ◽  
Ranjith Ramadurai
Keyword(s):  
Phase Transition ◽  
High Temperature ◽  
Structural Phase Transition ◽  
Structural Phase ◽  
Structural Inhomogeneity ◽  
Raman Mode ◽  
Structural Distortions ◽  
Mode Softening ◽  
Yttrium Chromite ◽  
Tilt Mode

ABSTRACTYCrO3 (YCO) is known to be a multiferroic with orthorhombic, Pnma, structure with center of inversion. However, the local structural inhomogeneity in this compound is believed to give rise to ferroelectric behavior. In this study we explore high temperature Raman investigations of YCO and observed that one of its Raman mode B3g (3) (CrO6 Octahedral tilt mode) softens around the structural phase transition which could be the origin of ferroelectric nature in YCO. In addition, we substitute bismuth (Bi) in YCO to understand the structural distortions that lead to local structural inhomogeneity. Besides B3g (3) mode softening with composition and high temperature studies in Y1-xBixCrO3 the study reveals the structural distortions and the structural tunability Bi offers in such systems.

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