High-pressure high-temperature synthesis and structure of β-MgSiN2

M. Andrade; D. Dzivenko; G. Miehe; R. Boehler; H.T.J.M. Hintzen; R. Riedel

doi:10.1002/pssr.201105189

High-pressure high-temperature synthesis and structure of β-MgSiN2

M. Andrade, D. Dzivenko, G. Miehe, R. Boehler, H.T.J.M. Hintzen, R. Riedel

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

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Abstract

A new phase of magnesium silicon nitride, ß-MgSiN2, is synthesized in a laser-heated diamond anvil cell at pressure of 27 GPa and temperatures exceeding 2000 K. It crystallises in a rhombohedral caswellsilverite-type structure (space group with both Mg and Si atoms in octahedral coordinations – in agreement with earlier DFT calculations. In contrast to recent shock compression investigation, the ß-phase is found to metastably persist at ambient conditions.

Original language	English
Pages (from-to)	196-198
Number of pages	3
Journal	Physica Status Solidi : Rapid Research Letters
Volume	5
Issue number	5-6
DOIs	https://doi.org/10.1002/pssr.201105189
Publication status	Published - 2011

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10.1002/pssr.201105189

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title = "High-pressure high-temperature synthesis and structure of β-MgSiN2",

abstract = "A new phase of magnesium silicon nitride, {\ss}-MgSiN2, is synthesized in a laser-heated diamond anvil cell at pressure of 27 GPa and temperatures exceeding 2000 K. It crystallises in a rhombohedral caswellsilverite-type structure (space group with both Mg and Si atoms in octahedral coordinations – in agreement with earlier DFT calculations. In contrast to recent shock compression investigation, the {\ss}-phase is found to metastably persist at ambient conditions.",

author = "M. Andrade and D. Dzivenko and G. Miehe and R. Boehler and H.T.J.M. Hintzen and R. Riedel",

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T1 - High-pressure high-temperature synthesis and structure of β-MgSiN2

AU - Andrade, M.

AU - Dzivenko, D.

AU - Miehe, G.

AU - Boehler, R.

AU - Hintzen, H.T.J.M.

AU - Riedel, R.

PY - 2011

Y1 - 2011

N2 - A new phase of magnesium silicon nitride, ß-MgSiN2, is synthesized in a laser-heated diamond anvil cell at pressure of 27 GPa and temperatures exceeding 2000 K. It crystallises in a rhombohedral caswellsilverite-type structure (space group with both Mg and Si atoms in octahedral coordinations – in agreement with earlier DFT calculations. In contrast to recent shock compression investigation, the ß-phase is found to metastably persist at ambient conditions.

AB - A new phase of magnesium silicon nitride, ß-MgSiN2, is synthesized in a laser-heated diamond anvil cell at pressure of 27 GPa and temperatures exceeding 2000 K. It crystallises in a rhombohedral caswellsilverite-type structure (space group with both Mg and Si atoms in octahedral coordinations – in agreement with earlier DFT calculations. In contrast to recent shock compression investigation, the ß-phase is found to metastably persist at ambient conditions.

U2 - 10.1002/pssr.201105189

DO - 10.1002/pssr.201105189

M3 - Article

SN - 1862-6254

VL - 5

SP - 196

EP - 198

JO - Physica Status Solidi : Rapid Research Letters

JF - Physica Status Solidi : Rapid Research Letters

IS - 5-6

ER -

High-pressure high-temperature synthesis and structure of β-MgSiN2

Abstract

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