Single Crystals of Cubic Rare-Earth Pyrochlore Germanates: RE2Ge2O7 (RE = Yb and Lu) Grown by a High-Temperature Hydrothermal Technique

Liurukara D. Sanjeewa; Kate A. Ross; Colin L. Sarkis; Harikrishnan S. Nair; Colin D. McMillen; Joseph W. Kolis

doi:10.1021/acs.inorgchem.8b01810

Single Crystals of Cubic Rare-Earth Pyrochlore Germanates: RE₂Ge₂O₇ (RE = Yb and Lu) Grown by a High-Temperature Hydrothermal Technique

Liurukara D. Sanjeewa, Kate A. Ross, Colin L. Sarkis, Harikrishnan S. Nair, Colin D. McMillen, Joseph W. Kolis

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Large single crystals of Yb₂Ge₂O₇ in the cubic Fd3m space group, are synthesized and characterized from a high-temperature hydrothermal method (650°C/200 MPa in 1 M KF). The cubic phase displays spin frustration and possibly nonclassical quantum-spin behavior at low temperature. This is the first report of single crystals of this important phase of size and quality suitable for single-crystal neutron diffraction.

Original language	English
Pages (from-to)	12456-12460
Number of pages	5
Journal	Inorganic Chemistry
Volume	57
Issue number	20
DOIs	https://doi.org/10.1021/acs.inorgchem.8b01810
State	Published - Oct 15 2018
Externally published	Yes

Funding

The authors thank the Department of Energy Basic Energy Sciences (Grant DE-SC0014271) for financial support. K.A.R. acknowledges funding from the CIFAR.

Funders	Funder number
Basic Energy Sciences	DE-SC0014271
Canadian Institute for Advanced Research

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10.1021/acs.inorgchem.8b01810

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abstract = "Large single crystals of Yb2Ge2O7 in the cubic Fd3m space group, are synthesized and characterized from a high-temperature hydrothermal method (650°C/200 MPa in 1 M KF). The cubic phase displays spin frustration and possibly nonclassical quantum-spin behavior at low temperature. This is the first report of single crystals of this important phase of size and quality suitable for single-crystal neutron diffraction.",

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AU - Ross, Kate A.

AU - Sarkis, Colin L.

AU - Nair, Harikrishnan S.

AU - McMillen, Colin D.

AU - Kolis, Joseph W.

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AB - Large single crystals of Yb2Ge2O7 in the cubic Fd3m space group, are synthesized and characterized from a high-temperature hydrothermal method (650°C/200 MPa in 1 M KF). The cubic phase displays spin frustration and possibly nonclassical quantum-spin behavior at low temperature. This is the first report of single crystals of this important phase of size and quality suitable for single-crystal neutron diffraction.

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Single Crystals of Cubic Rare-Earth Pyrochlore Germanates: RE₂Ge₂O₇ (RE = Yb and Lu) Grown by a High-Temperature Hydrothermal Technique

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