Optical anomaly in artificial cubic hieratite, K2[SiF6]

Ole F. Göbel; Johan E. ten Elshof; Werner Kaminsky; Matthias Hannss

doi:10.1107/S2052520615007507

Optical anomaly in artificial cubic hieratite, K2[SiF6]

Ole F. Göbel, Johan E. ten Elshof, Werner Kaminsky, Matthias Hannss

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Abstract

Crystals of K2[SiF6] were grown in agar gel, silica gel and jelly. Crystals grown in agar gel or jelly exhibit birefringence and consist of six double refracting growth sectors, each having the shape of a tetragonal pyramid. Nevertheless, the structure of the crystals from agar gel could be refined as cubic (space group Fm\bar{3}m) with a weighted R factor of 0.043. The amount of birefringence was estimated by the Senarmont compensation method and the rotating polarizer method

Original language	English
Pages (from-to)	328-333
Number of pages	6
Journal	Acta crystallographica. Section B: Structural science, crystal engineering and materials
Volume	71
DOIs	https://doi.org/10.1107/S2052520615007507
Publication status	Published - 2015

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2023 OA procedure

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abstract = "Crystals of K2[SiF6] were grown in agar gel, silica gel and jelly. Crystals grown in agar gel or jelly exhibit birefringence and consist of six double refracting growth sectors, each having the shape of a tetragonal pyramid. Nevertheless, the structure of the crystals from agar gel could be refined as cubic (space group Fm\bar{3}m) with a weighted R factor of 0.043. The amount of birefringence was estimated by the Senarmont compensation method and the rotating polarizer method",

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T1 - Optical anomaly in artificial cubic hieratite, K2[SiF6]

AU - Göbel, Ole F.

AU - ten Elshof, Johan E.

AU - Kaminsky, Werner

AU - Hannss, Matthias

PY - 2015

Y1 - 2015

N2 - Crystals of K2[SiF6] were grown in agar gel, silica gel and jelly. Crystals grown in agar gel or jelly exhibit birefringence and consist of six double refracting growth sectors, each having the shape of a tetragonal pyramid. Nevertheless, the structure of the crystals from agar gel could be refined as cubic (space group Fm\bar{3}m) with a weighted R factor of 0.043. The amount of birefringence was estimated by the Senarmont compensation method and the rotating polarizer method

AB - Crystals of K2[SiF6] were grown in agar gel, silica gel and jelly. Crystals grown in agar gel or jelly exhibit birefringence and consist of six double refracting growth sectors, each having the shape of a tetragonal pyramid. Nevertheless, the structure of the crystals from agar gel could be refined as cubic (space group Fm\bar{3}m) with a weighted R factor of 0.043. The amount of birefringence was estimated by the Senarmont compensation method and the rotating polarizer method

KW - 2023 OA procedure

U2 - 10.1107/S2052520615007507

DO - 10.1107/S2052520615007507

M3 - Article

SN - 2052-5192

VL - 71

SP - 328

EP - 333

JO - Acta crystallographica. Section B: Structural science, crystal engineering and materials

JF - Acta crystallographica. Section B: Structural science, crystal engineering and materials

ER -

Optical anomaly in artificial cubic hieratite, K2[SiF6]

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