Synthesis and structures of sodium containing K2-xNaxMg2(SO4)3 langbeinite phases

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Synthesis and structures of sodium containing K2-xNaxMg2(SO4)3 langbeinite phases. / Trussov, Ivan; Driscoll, Laura; Male, Louise; sanjuan, maria-luisa; orera, alodia; Slater, Peter.

In: Journal of Solid State Chemistry, Vol. 276, 01.08.2019, p. 37-46.

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Trussov, Ivan ; Driscoll, Laura ; Male, Louise ; sanjuan, maria-luisa ; orera, alodia ; Slater, Peter. / Synthesis and structures of sodium containing K2-xNaxMg2(SO4)3 langbeinite phases. In: Journal of Solid State Chemistry. 2019 ; Vol. 276. pp. 37-46.

Bibtex

@article{9373ea8949144b7684b4341fec6fe531,
title = "Synthesis and structures of sodium containing K2-xNaxMg2(SO4)3 langbeinite phases",
abstract = "In this work we report a detailed structural study of the K2-xNaxMg2(SO4)3 series in order to evaluate the effect of Na incorporation on the structure. The results show that the cubic langbeinite structure is observed at room temperature for high Na levels;K2-xNaxMg2(SO4)3 (0 ≤ x ≤ 1.8). Increasing the Na content further, 1.8 < x ≤ 1.9, leads to significant structural distortions, with the observation of an enlarged orthorhombic cell. These latter systems resemble a highly distorted variant of the langbeinite structure, and this relationship is also illustrated by the fact that they transform to the cubic langbeinite structure at relatively low temperature (≈200 °C). In conjunction with our prior studies on Na2Mg2(SO4)3 (complex monoclinic cell, which also transforms to langbeinite at elevated temperature), this work highlights the flexibility of the langbeinite structure to accommodate high levels of Na ions, thus offering another potential avenue to manipulate the properties of materials with this structure-type.",
keywords = "Langbeinite, Potassium magnesium sulphate, Single crystal, Sodium magnesium sulphate",
author = "Ivan Trussov and Laura Driscoll and Louise Male and maria-luisa sanjuan and alodia orera and Peter Slater",
year = "2019",
month = aug,
day = "1",
doi = "10.1016/j.jssc.2019.04.036",
language = "English",
volume = "276",
pages = "37--46",
journal = "Journal of Solid State Chemistry",
issn = "0022-4596",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Synthesis and structures of sodium containing K2-xNaxMg2(SO4)3 langbeinite phases

AU - Trussov, Ivan

AU - Driscoll, Laura

AU - Male, Louise

AU - sanjuan, maria-luisa

AU - orera, alodia

AU - Slater, Peter

PY - 2019/8/1

Y1 - 2019/8/1

N2 - In this work we report a detailed structural study of the K2-xNaxMg2(SO4)3 series in order to evaluate the effect of Na incorporation on the structure. The results show that the cubic langbeinite structure is observed at room temperature for high Na levels;K2-xNaxMg2(SO4)3 (0 ≤ x ≤ 1.8). Increasing the Na content further, 1.8 < x ≤ 1.9, leads to significant structural distortions, with the observation of an enlarged orthorhombic cell. These latter systems resemble a highly distorted variant of the langbeinite structure, and this relationship is also illustrated by the fact that they transform to the cubic langbeinite structure at relatively low temperature (≈200 °C). In conjunction with our prior studies on Na2Mg2(SO4)3 (complex monoclinic cell, which also transforms to langbeinite at elevated temperature), this work highlights the flexibility of the langbeinite structure to accommodate high levels of Na ions, thus offering another potential avenue to manipulate the properties of materials with this structure-type.

AB - In this work we report a detailed structural study of the K2-xNaxMg2(SO4)3 series in order to evaluate the effect of Na incorporation on the structure. The results show that the cubic langbeinite structure is observed at room temperature for high Na levels;K2-xNaxMg2(SO4)3 (0 ≤ x ≤ 1.8). Increasing the Na content further, 1.8 < x ≤ 1.9, leads to significant structural distortions, with the observation of an enlarged orthorhombic cell. These latter systems resemble a highly distorted variant of the langbeinite structure, and this relationship is also illustrated by the fact that they transform to the cubic langbeinite structure at relatively low temperature (≈200 °C). In conjunction with our prior studies on Na2Mg2(SO4)3 (complex monoclinic cell, which also transforms to langbeinite at elevated temperature), this work highlights the flexibility of the langbeinite structure to accommodate high levels of Na ions, thus offering another potential avenue to manipulate the properties of materials with this structure-type.

KW - Langbeinite

KW - Potassium magnesium sulphate

KW - Single crystal

KW - Sodium magnesium sulphate

UR - http://www.scopus.com/inward/record.url?scp=85065137332&partnerID=8YFLogxK

U2 - 10.1016/j.jssc.2019.04.036

DO - 10.1016/j.jssc.2019.04.036

M3 - Article

VL - 276

SP - 37

EP - 46

JO - Journal of Solid State Chemistry

JF - Journal of Solid State Chemistry

SN - 0022-4596

ER -