A5RE4X[TO4]4 crystal growth and photoluminescence. Hydroflux synthesis of sodium rare earth silicate hydroxides

Allison M. Latshaw; W. Michael Chance; Nathan Trenor; Gregory Morrison; Mark D. Smith; Jeongho Yeon; Derek E. Williams; Hans-Conrad zur Loye

doi:10.1039/C5CE00630A

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A₅RE₄X[TO₄]₄ crystal growth and photoluminescence. Hydroflux synthesis of sodium rare earth silicate hydroxides†

Allison M. Latshaw,^a W. Michael Chance,^a Nathan Trenor,^a Gregory Morrison,^a Mark D. Smith,^a Jeongho Yeon,^a Derek E. Williams^a and Hans-Conrad zur Loye*^a

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* Corresponding authors

^a Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
E-mail: zurloye@mailbox.sc.edu

Abstract

Single crystals of Na₅RE₄(OH)[SiO₄]₄ (RE = Pr, Nd, Sm, Eu, Tb–Yb, Y) were grown using the hydroflux synthetic method. All compositions adopt the tetragonal I [4 with combining macron] space group with lattice parameter ranges of a = 11.5275(4)–12.0588(3) Å and c = 5.3951(4)–5.4846(13) Å. Intense photoluminescent properties were observed for Na₅Eu₄(OH)[SiO₄]₄, Na₅Gd₄(OH)[SiO₄]₄, and Na₅Tb₄(OH)[SiO₄]₄. The magnetic susceptibility was measured for the magnetic rare earth containing compositions, where the terbium analogue displayed antiferromagnetic order at T = 2.8 K.

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Article information

DOI: https://doi.org/10.1039/C5CE00630A
Article type: Paper
Submitted: 30 Mar 2015
Accepted: 24 May 2015
First published: 04 Jun 2015

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CrystEngComm, 2015,17, 4691-4698

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A₅RE₄X[TO₄]₄ crystal growth and photoluminescence. Hydroflux synthesis of sodium rare earth silicate hydroxides

A. M. Latshaw, W. M. Chance, N. Trenor, G. Morrison, M. D. Smith, J. Yeon, D. E. Williams and H. zur Loye, CrystEngComm, 2015, 17, 4691 DOI: 10.1039/C5CE00630A

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