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Anomalous octahedral distortions in LaFe1−xNixO3
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| Zeitschriftentitel: | Journal of Physics D: Applied Physics |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Journal of Physics D: Applied Physics, 44, 2011, 45, S. 455303 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
IOP Publishing
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| Schlagwörter: |
| author_facet |
Idrees, M Nadeem, M Shah, Matiullah Shin, T J Idrees, M Nadeem, M Shah, Matiullah Shin, T J |
|---|---|
| author |
Idrees, M Nadeem, M Shah, Matiullah Shin, T J |
| spellingShingle |
Idrees, M Nadeem, M Shah, Matiullah Shin, T J Journal of Physics D: Applied Physics Anomalous octahedral distortions in LaFe1−xNixO3 Surfaces, Coatings and Films Acoustics and Ultrasonics Condensed Matter Physics Electronic, Optical and Magnetic Materials |
| author_sort |
idrees, m |
| spelling |
Idrees, M Nadeem, M Shah, Matiullah Shin, T J 0022-3727 1361-6463 IOP Publishing Surfaces, Coatings and Films Acoustics and Ultrasonics Condensed Matter Physics Electronic, Optical and Magnetic Materials http://dx.doi.org/10.1088/0022-3727/44/45/455303 <jats:p>Perovskite-type LaFe<jats:sub>1−<jats:italic>x</jats:italic> </jats:sub>Ni<jats:sub> <jats:italic>x</jats:italic> </jats:sub>O<jats:sub>3</jats:sub> in the composition range with orthorhombic crystal structure (<jats:italic>x</jats:italic> = 0.0, 0.1, 0.3 and 0.5) was prepared by the standard solid-state reaction method. The phase formation was checked by synchrotron x-ray diffraction. The structure was refined from the collected x-ray diffraction data using the Reitveld refinement method. The synthesized compositions crystallized mainly in the <jats:italic>Pbnm</jats:italic> symmetry. The available data in the literature on the structural properties and crystal phase evolution of the solid solution series LaFe<jats:sub>1−<jats:italic>x</jats:italic> </jats:sub>Ni<jats:sub> <jats:italic>x</jats:italic> </jats:sub>O<jats:sub>3</jats:sub> were also analysed critically. We report an anomalous variation in the octahedral deformations in these compositions. In order to explore the composition-dependent microscopic changes driving these structural distortions, we used the refined structural parameters (cell dimensions and atomic coordinates) from our own results and the literature to calculate and see the effects of composition on several structural distortion parameters in an orthorhombic perovskite. Variation of these parameters strongly suggested that incorporation of Ni in LaFeO<jats:sub>3</jats:sub> caused the octahedral deformation to increase. However, octahedral tilting decreased with the addition of Ni in LaFeO<jats:sub>3</jats:sub>. The obtained change in the orthorhombic distortions was caused by the possible presence of Jahn–Teller Fe<jats:sup>4+</jats:sup> cations.</jats:p> Anomalous octahedral distortions in LaFe<sub>1−x</sub>Ni<sub>x</sub>O<sub>3</sub> Journal of Physics D: Applied Physics |
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Journal of Physics D: Applied Physics |
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49 |
| title |
Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_unstemmed |
Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_full |
Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_fullStr |
Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_full_unstemmed |
Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_short |
Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_sort |
anomalous octahedral distortions in lafe<sub>1−x</sub>ni<sub>x</sub>o<sub>3</sub> |
| topic |
Surfaces, Coatings and Films Acoustics and Ultrasonics Condensed Matter Physics Electronic, Optical and Magnetic Materials |
| url |
http://dx.doi.org/10.1088/0022-3727/44/45/455303 |
| publishDate |
2011 |
| physical |
455303 |
| description |
<jats:p>Perovskite-type LaFe<jats:sub>1−<jats:italic>x</jats:italic>
</jats:sub>Ni<jats:sub>
<jats:italic>x</jats:italic>
</jats:sub>O<jats:sub>3</jats:sub> in the composition range with orthorhombic crystal structure (<jats:italic>x</jats:italic> = 0.0, 0.1, 0.3 and 0.5) was prepared by the standard solid-state reaction method. The phase formation was checked by synchrotron x-ray diffraction. The structure was refined from the collected x-ray diffraction data using the Reitveld refinement method. The synthesized compositions crystallized mainly in the <jats:italic>Pbnm</jats:italic> symmetry. The available data in the literature on the structural properties and crystal phase evolution of the solid solution series LaFe<jats:sub>1−<jats:italic>x</jats:italic>
</jats:sub>Ni<jats:sub>
<jats:italic>x</jats:italic>
</jats:sub>O<jats:sub>3</jats:sub> were also analysed critically. We report an anomalous variation in the octahedral deformations in these compositions. In order to explore the composition-dependent microscopic changes driving these structural distortions, we used the refined structural parameters (cell dimensions and atomic coordinates) from our own results and the literature to calculate and see the effects of composition on several structural distortion parameters in an orthorhombic perovskite. Variation of these parameters strongly suggested that incorporation of Ni in LaFeO<jats:sub>3</jats:sub> caused the octahedral deformation to increase. However, octahedral tilting decreased with the addition of Ni in LaFeO<jats:sub>3</jats:sub>. The obtained change in the orthorhombic distortions was caused by the possible presence of Jahn–Teller Fe<jats:sup>4+</jats:sup> cations.</jats:p> |
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| author | Idrees, M, Nadeem, M, Shah, Matiullah, Shin, T J |
| author_facet | Idrees, M, Nadeem, M, Shah, Matiullah, Shin, T J, Idrees, M, Nadeem, M, Shah, Matiullah, Shin, T J |
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| description | <jats:p>Perovskite-type LaFe<jats:sub>1−<jats:italic>x</jats:italic> </jats:sub>Ni<jats:sub> <jats:italic>x</jats:italic> </jats:sub>O<jats:sub>3</jats:sub> in the composition range with orthorhombic crystal structure (<jats:italic>x</jats:italic> = 0.0, 0.1, 0.3 and 0.5) was prepared by the standard solid-state reaction method. The phase formation was checked by synchrotron x-ray diffraction. The structure was refined from the collected x-ray diffraction data using the Reitveld refinement method. The synthesized compositions crystallized mainly in the <jats:italic>Pbnm</jats:italic> symmetry. The available data in the literature on the structural properties and crystal phase evolution of the solid solution series LaFe<jats:sub>1−<jats:italic>x</jats:italic> </jats:sub>Ni<jats:sub> <jats:italic>x</jats:italic> </jats:sub>O<jats:sub>3</jats:sub> were also analysed critically. We report an anomalous variation in the octahedral deformations in these compositions. In order to explore the composition-dependent microscopic changes driving these structural distortions, we used the refined structural parameters (cell dimensions and atomic coordinates) from our own results and the literature to calculate and see the effects of composition on several structural distortion parameters in an orthorhombic perovskite. Variation of these parameters strongly suggested that incorporation of Ni in LaFeO<jats:sub>3</jats:sub> caused the octahedral deformation to increase. However, octahedral tilting decreased with the addition of Ni in LaFeO<jats:sub>3</jats:sub>. The obtained change in the orthorhombic distortions was caused by the possible presence of Jahn–Teller Fe<jats:sup>4+</jats:sup> cations.</jats:p> |
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| institution | DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1 |
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| spelling | Idrees, M Nadeem, M Shah, Matiullah Shin, T J 0022-3727 1361-6463 IOP Publishing Surfaces, Coatings and Films Acoustics and Ultrasonics Condensed Matter Physics Electronic, Optical and Magnetic Materials http://dx.doi.org/10.1088/0022-3727/44/45/455303 <jats:p>Perovskite-type LaFe<jats:sub>1−<jats:italic>x</jats:italic> </jats:sub>Ni<jats:sub> <jats:italic>x</jats:italic> </jats:sub>O<jats:sub>3</jats:sub> in the composition range with orthorhombic crystal structure (<jats:italic>x</jats:italic> = 0.0, 0.1, 0.3 and 0.5) was prepared by the standard solid-state reaction method. The phase formation was checked by synchrotron x-ray diffraction. The structure was refined from the collected x-ray diffraction data using the Reitveld refinement method. The synthesized compositions crystallized mainly in the <jats:italic>Pbnm</jats:italic> symmetry. The available data in the literature on the structural properties and crystal phase evolution of the solid solution series LaFe<jats:sub>1−<jats:italic>x</jats:italic> </jats:sub>Ni<jats:sub> <jats:italic>x</jats:italic> </jats:sub>O<jats:sub>3</jats:sub> were also analysed critically. We report an anomalous variation in the octahedral deformations in these compositions. In order to explore the composition-dependent microscopic changes driving these structural distortions, we used the refined structural parameters (cell dimensions and atomic coordinates) from our own results and the literature to calculate and see the effects of composition on several structural distortion parameters in an orthorhombic perovskite. Variation of these parameters strongly suggested that incorporation of Ni in LaFeO<jats:sub>3</jats:sub> caused the octahedral deformation to increase. However, octahedral tilting decreased with the addition of Ni in LaFeO<jats:sub>3</jats:sub>. The obtained change in the orthorhombic distortions was caused by the possible presence of Jahn–Teller Fe<jats:sup>4+</jats:sup> cations.</jats:p> Anomalous octahedral distortions in LaFe<sub>1−x</sub>Ni<sub>x</sub>O<sub>3</sub> Journal of Physics D: Applied Physics |
| spellingShingle | Idrees, M, Nadeem, M, Shah, Matiullah, Shin, T J, Journal of Physics D: Applied Physics, Anomalous octahedral distortions in LaFe1−xNixO3, Surfaces, Coatings and Films, Acoustics and Ultrasonics, Condensed Matter Physics, Electronic, Optical and Magnetic Materials |
| title | Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_full | Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_fullStr | Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_full_unstemmed | Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_short | Anomalous octahedral distortions in LaFe1−xNixO3 |
| title_sort | anomalous octahedral distortions in lafe<sub>1−x</sub>ni<sub>x</sub>o<sub>3</sub> |
| title_unstemmed | Anomalous octahedral distortions in LaFe1−xNixO3 |
| topic | Surfaces, Coatings and Films, Acoustics and Ultrasonics, Condensed Matter Physics, Electronic, Optical and Magnetic Materials |
| url | http://dx.doi.org/10.1088/0022-3727/44/45/455303 |