Synthesis of MAX Phases in the Hf-Al-C System

Thomas Lapauw; Bensu Tunca; Thierry Cabioc'H; Jun Lu; Per O.Å. Persson; Konstantina Lambrinou; Jozef Vleugels

doi:10.1021/acs.inorgchem.6b01398

Synthesis of MAX Phases in the Hf-Al-C System

Thomas Lapauw, Bensu Tunca, Thierry Cabioc'H, Jun Lu, Per O.Å. Persson, Konstantina Lambrinou, Jozef Vleugels

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68 Citations (Scopus)

Abstract

For the first time, MAX phases in the Hf-Al-C system were experimentally synthesized using reactive hot pressing. HfC was observed as the main competing phase. The lattice parameters of Hf₂AlC and Hf₃AlC₂ were determined by Rietveld refinement based on the X-ray diffraction data. The atomic stacking sequence was revealed by high-resolution scanning transmission electron microscopy. Mixtures of 211 and 312 stacking were observed within the same grain, including 523 layers. This transition in atomic structure is discussed.

Original language	English
Pages (from-to)	10922-10927
Number of pages	6
Journal	Inorganic Chemistry
Volume	55
Issue number	21
Early online date	11 Oct 2016
DOIs	https://doi.org/10.1021/acs.inorgchem.6b01398
Publication status	Published - 7 Nov 2016
Externally published	Yes

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abstract = "For the first time, MAX phases in the Hf-Al-C system were experimentally synthesized using reactive hot pressing. HfC was observed as the main competing phase. The lattice parameters of Hf2AlC and Hf3AlC2 were determined by Rietveld refinement based on the X-ray diffraction data. The atomic stacking sequence was revealed by high-resolution scanning transmission electron microscopy. Mixtures of 211 and 312 stacking were observed within the same grain, including 523 layers. This transition in atomic structure is discussed.",

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AU - Lapauw, Thomas

AU - Tunca, Bensu

AU - Cabioc'H, Thierry

AU - Lu, Jun

AU - Persson, Per O.Å.

AU - Lambrinou, Konstantina

AU - Vleugels, Jozef

PY - 2016/11/7

Y1 - 2016/11/7

N2 - For the first time, MAX phases in the Hf-Al-C system were experimentally synthesized using reactive hot pressing. HfC was observed as the main competing phase. The lattice parameters of Hf2AlC and Hf3AlC2 were determined by Rietveld refinement based on the X-ray diffraction data. The atomic stacking sequence was revealed by high-resolution scanning transmission electron microscopy. Mixtures of 211 and 312 stacking were observed within the same grain, including 523 layers. This transition in atomic structure is discussed.

AB - For the first time, MAX phases in the Hf-Al-C system were experimentally synthesized using reactive hot pressing. HfC was observed as the main competing phase. The lattice parameters of Hf2AlC and Hf3AlC2 were determined by Rietveld refinement based on the X-ray diffraction data. The atomic stacking sequence was revealed by high-resolution scanning transmission electron microscopy. Mixtures of 211 and 312 stacking were observed within the same grain, including 523 layers. This transition in atomic structure is discussed.

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JO - Inorganic Chemistry

JF - Inorganic Chemistry

SN - 0020-1669

IS - 21

ER -

Synthesis of MAX Phases in the Hf-Al-C System

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