Preparation and investigation of the physical properties of fluorinated Nd2-xSrxNiO4+δ

B. W. Arbuckle; K. V. Ramanujachary; A. M. Buckley; M. Greenblatt

doi:10.1016/0022-4596(92)90034-S

Preparation and investigation of the physical properties of fluorinated Nd_2-xSr_xNiO_4+δ

B. W. Arbuckle, K. V. Ramanujachary, A. M. Buckley, M. Greenblatt

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Abstract

Selected members of the Nd_2-xSr_xNiO_4+δ solid solution series were fluorinated by a low temperature ion-exchange reaction. Nd₂NiO_4.16 is orthorhombic at ambient temperature and shows an increase in the orthorhombic distortion as a result of fluorination. The a unit cell parameter of Nd₂NiO_4.16-xF_y decreases while the b and c cell parameters increase relative to the oxygen rich sample Nd₂NiO_4.16. The unit cell volume of the fluorinated sample relative to the oxygen rich sample increases. Nd₂NiO_4.16 undergoes a structural phase transition at 575°C, and the fluorinated analogue shows no evidence of a structural phase transition up to 700°C. The Nd₂NiO_4.16-xF_y phase decomposes at 700°C into Nd₂NiO_4+δ, NdOF, NdF₃, and NiO as determined by differential thermal analysis and X-ray diffraction analysis. The significant changes in the electrical and magnetic properties of fluorinated Nd_2-xSr_xNiO_4+δ compared to the oxide are discussed in terms of structural properties of the NiO basal planes.

Original language	English (US)
Pages (from-to)	274-282
Number of pages	9
Journal	Journal of Solid State Chemistry
Volume	97
Issue number	2
DOIs	https://doi.org/10.1016/0022-4596(92)90034-S
State	Published - Apr 1992
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/0022-4596(92)90034-S

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@article{4fa1052c6ed84a7ab56686d76696ca7a,

title = "Preparation and investigation of the physical properties of fluorinated Nd2-xSrxNiO4+δ",

abstract = "Selected members of the Nd2-xSrxNiO4+δ solid solution series were fluorinated by a low temperature ion-exchange reaction. Nd2NiO4.16 is orthorhombic at ambient temperature and shows an increase in the orthorhombic distortion as a result of fluorination. The a unit cell parameter of Nd2NiO4.16-xFy decreases while the b and c cell parameters increase relative to the oxygen rich sample Nd2NiO4.16. The unit cell volume of the fluorinated sample relative to the oxygen rich sample increases. Nd2NiO4.16 undergoes a structural phase transition at 575°C, and the fluorinated analogue shows no evidence of a structural phase transition up to 700°C. The Nd2NiO4.16-xFy phase decomposes at 700°C into Nd2NiO4+δ, NdOF, NdF3, and NiO as determined by differential thermal analysis and X-ray diffraction analysis. The significant changes in the electrical and magnetic properties of fluorinated Nd2-xSrxNiO4+δ compared to the oxide are discussed in terms of structural properties of the NiO basal planes.",

author = "Arbuckle, {B. W.} and Ramanujachary, {K. V.} and Buckley, {A. M.} and M. Greenblatt",

note = "Funding Information: The authors thank Dr. Shu Li and Professor W. H. McCarroll for helpful discussions. The work was supported by National Science Foundation Solid State Chemistry Grant DMR-9019301.",

year = "1992",

month = apr,

doi = "10.1016/0022-4596(92)90034-S",

language = "English (US)",

volume = "97",

pages = "274--282",

journal = "Journal of Solid State Chemistry",

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publisher = "Academic Press Inc.",

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TY - JOUR

T1 - Preparation and investigation of the physical properties of fluorinated Nd2-xSrxNiO4+δ

AU - Arbuckle, B. W.

AU - Ramanujachary, K. V.

AU - Buckley, A. M.

AU - Greenblatt, M.

N1 - Funding Information: The authors thank Dr. Shu Li and Professor W. H. McCarroll for helpful discussions. The work was supported by National Science Foundation Solid State Chemistry Grant DMR-9019301.

PY - 1992/4

Y1 - 1992/4

N2 - Selected members of the Nd2-xSrxNiO4+δ solid solution series were fluorinated by a low temperature ion-exchange reaction. Nd2NiO4.16 is orthorhombic at ambient temperature and shows an increase in the orthorhombic distortion as a result of fluorination. The a unit cell parameter of Nd2NiO4.16-xFy decreases while the b and c cell parameters increase relative to the oxygen rich sample Nd2NiO4.16. The unit cell volume of the fluorinated sample relative to the oxygen rich sample increases. Nd2NiO4.16 undergoes a structural phase transition at 575°C, and the fluorinated analogue shows no evidence of a structural phase transition up to 700°C. The Nd2NiO4.16-xFy phase decomposes at 700°C into Nd2NiO4+δ, NdOF, NdF3, and NiO as determined by differential thermal analysis and X-ray diffraction analysis. The significant changes in the electrical and magnetic properties of fluorinated Nd2-xSrxNiO4+δ compared to the oxide are discussed in terms of structural properties of the NiO basal planes.

AB - Selected members of the Nd2-xSrxNiO4+δ solid solution series were fluorinated by a low temperature ion-exchange reaction. Nd2NiO4.16 is orthorhombic at ambient temperature and shows an increase in the orthorhombic distortion as a result of fluorination. The a unit cell parameter of Nd2NiO4.16-xFy decreases while the b and c cell parameters increase relative to the oxygen rich sample Nd2NiO4.16. The unit cell volume of the fluorinated sample relative to the oxygen rich sample increases. Nd2NiO4.16 undergoes a structural phase transition at 575°C, and the fluorinated analogue shows no evidence of a structural phase transition up to 700°C. The Nd2NiO4.16-xFy phase decomposes at 700°C into Nd2NiO4+δ, NdOF, NdF3, and NiO as determined by differential thermal analysis and X-ray diffraction analysis. The significant changes in the electrical and magnetic properties of fluorinated Nd2-xSrxNiO4+δ compared to the oxide are discussed in terms of structural properties of the NiO basal planes.

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Preparation and investigation of the physical properties of fluorinated Nd_2-xSr_xNiO_4+δ

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