Synthesis of new Ln4(Al2O6F2)O2 (Ln = Sm, Eu, Gd) phases with a cuspidine-related structure

Research output: Contribution to journalArticlepeer-review

Standard

Synthesis of new Ln4(Al2O6F2)O2 (Ln = Sm, Eu, Gd) phases with a cuspidine-related structure. / Morán-Ruiz, Aroa; Wain-Martin, Aritza; Orera, Alodia; Sanjuán, Maria Luisa; Larrañaga, Aitor; Slater, Peter; Arriortua, Maribel.

In: IUCrJ, Vol. 6, No. Pt 1, 01.01.2019, p. 128-135.

Research output: Contribution to journalArticlepeer-review

Harvard

Morán-Ruiz, A, Wain-Martin, A, Orera, A, Sanjuán, ML, Larrañaga, A, Slater, P & Arriortua, M 2019, 'Synthesis of new Ln4(Al2O6F2)O2 (Ln = Sm, Eu, Gd) phases with a cuspidine-related structure', IUCrJ, vol. 6, no. Pt 1, pp. 128-135. https://doi.org/10.1107/S205225251801744X

APA

Morán-Ruiz, A., Wain-Martin, A., Orera, A., Sanjuán, M. L., Larrañaga, A., Slater, P., & Arriortua, M. (2019). Synthesis of new Ln4(Al2O6F2)O2 (Ln = Sm, Eu, Gd) phases with a cuspidine-related structure. IUCrJ, 6(Pt 1), 128-135. https://doi.org/10.1107/S205225251801744X

Vancouver

Morán-Ruiz A, Wain-Martin A, Orera A, Sanjuán ML, Larrañaga A, Slater P et al. Synthesis of new Ln4(Al2O6F2)O2 (Ln = Sm, Eu, Gd) phases with a cuspidine-related structure. IUCrJ. 2019 Jan 1;6(Pt 1):128-135. https://doi.org/10.1107/S205225251801744X

Author

Morán-Ruiz, Aroa ; Wain-Martin, Aritza ; Orera, Alodia ; Sanjuán, Maria Luisa ; Larrañaga, Aitor ; Slater, Peter ; Arriortua, Maribel. / Synthesis of new Ln4(Al2O6F2)O2 (Ln = Sm, Eu, Gd) phases with a cuspidine-related structure. In: IUCrJ. 2019 ; Vol. 6, No. Pt 1. pp. 128-135.

Bibtex

@article{599106931b41424c942d6fa11f0e8a4e,
title = "Synthesis of new Ln4(Al2O6F2)O2 (Ln = Sm, Eu, Gd) phases with a cuspidine-related structure",
abstract = "The first fluorination of the cuspidine-related phases of Ln4(Al2O7&)O2 (where Ln = Sm, Eu, Gd) is reported. A low-temperature reaction with poly(vinylidene difluoride) lead to the fluorine being substituted in place of oxygen and inserted into the vacant position between the dialuminate groups. X-ray photoelectron spectroscopy shows the presence of the F 1s photoelectron together with an increase in Al 2p and rare-earth 4d binding energies supporting F incorporation. Energy-dispersive X-ray spectroscopy analyses are consistent with the formula Ln4(Al2O6F2)O2, confirming that substitution of one oxygen by two fluoride atoms has been achieved. Rietveld refinements show an expansion in the cell upon fluorination and confirm that the incorporation of fluoride in the Ln4(Al2O7&)O2 structure results in changes in Al coordination from four to five. Thus, the isolated tetrahedral dialuminate Al2O7 groups are converted to chains of distorted square-based pyramids. These structural results are also discussed based on Raman spectra.",
keywords = "cuspidine-type rare earth aluminates, fluorination, X-ray diffraction, poly(vinylidene diflouride), Raman spectroscopy",
author = "Aroa Mor{\'a}n-Ruiz and Aritza Wain-Martin and Alodia Orera and Sanju{\'a}n, {Maria Luisa} and Aitor Larra{\~n}aga and Peter Slater and Maribel Arriortua",
year = "2019",
month = jan,
day = "1",
doi = "10.1107/S205225251801744X",
language = "English",
volume = "6",
pages = "128--135",
journal = "IUCrJ",
issn = "2052-2525",
publisher = "International Union of Crystallography",
number = "Pt 1",

}

RIS

TY - JOUR

T1 - Synthesis of new Ln4(Al2O6F2)O2 (Ln = Sm, Eu, Gd) phases with a cuspidine-related structure

AU - Morán-Ruiz, Aroa

AU - Wain-Martin, Aritza

AU - Orera, Alodia

AU - Sanjuán, Maria Luisa

AU - Larrañaga, Aitor

AU - Slater, Peter

AU - Arriortua, Maribel

PY - 2019/1/1

Y1 - 2019/1/1

N2 - The first fluorination of the cuspidine-related phases of Ln4(Al2O7&)O2 (where Ln = Sm, Eu, Gd) is reported. A low-temperature reaction with poly(vinylidene difluoride) lead to the fluorine being substituted in place of oxygen and inserted into the vacant position between the dialuminate groups. X-ray photoelectron spectroscopy shows the presence of the F 1s photoelectron together with an increase in Al 2p and rare-earth 4d binding energies supporting F incorporation. Energy-dispersive X-ray spectroscopy analyses are consistent with the formula Ln4(Al2O6F2)O2, confirming that substitution of one oxygen by two fluoride atoms has been achieved. Rietveld refinements show an expansion in the cell upon fluorination and confirm that the incorporation of fluoride in the Ln4(Al2O7&)O2 structure results in changes in Al coordination from four to five. Thus, the isolated tetrahedral dialuminate Al2O7 groups are converted to chains of distorted square-based pyramids. These structural results are also discussed based on Raman spectra.

AB - The first fluorination of the cuspidine-related phases of Ln4(Al2O7&)O2 (where Ln = Sm, Eu, Gd) is reported. A low-temperature reaction with poly(vinylidene difluoride) lead to the fluorine being substituted in place of oxygen and inserted into the vacant position between the dialuminate groups. X-ray photoelectron spectroscopy shows the presence of the F 1s photoelectron together with an increase in Al 2p and rare-earth 4d binding energies supporting F incorporation. Energy-dispersive X-ray spectroscopy analyses are consistent with the formula Ln4(Al2O6F2)O2, confirming that substitution of one oxygen by two fluoride atoms has been achieved. Rietveld refinements show an expansion in the cell upon fluorination and confirm that the incorporation of fluoride in the Ln4(Al2O7&)O2 structure results in changes in Al coordination from four to five. Thus, the isolated tetrahedral dialuminate Al2O7 groups are converted to chains of distorted square-based pyramids. These structural results are also discussed based on Raman spectra.

KW - cuspidine-type rare earth aluminates

KW - fluorination

KW - X-ray diffraction

KW - poly(vinylidene diflouride)

KW - Raman spectroscopy

UR - http://www.scopus.com/inward/record.url?scp=85059905682&partnerID=8YFLogxK

U2 - 10.1107/S205225251801744X

DO - 10.1107/S205225251801744X

M3 - Article

C2 - 30713710

VL - 6

SP - 128

EP - 135

JO - IUCrJ

JF - IUCrJ

SN - 2052-2525

IS - Pt 1

ER -