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

Research output: Contribution to journalArticle

18 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 languageEnglish
Pages (from-to)10922-10927
Number of pages6
JournalInorganic Chemistry
Volume55
Issue number21
Early online date11 Oct 2016
DOIs
Publication statusPublished - 7 Nov 2016
Externally publishedYes

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Rietveld refinement
hot pressing
Hot pressing
atomic structure
Lattice constants
lattice parameters
Transmission electron microscopy
X ray diffraction
transmission electron microscopy
Scanning electron microscopy
scanning electron microscopy
high resolution
synthesis
diffraction
x rays

Cite this

Lapauw, T., Tunca, B., Cabioc'H, T., Lu, J., Persson, P. O. Å., Lambrinou, K., & Vleugels, J. (2016). Synthesis of MAX Phases in the Hf-Al-C System. Inorganic Chemistry, 55(21), 10922-10927. https://doi.org/10.1021/acs.inorgchem.6b01398
Lapauw, Thomas ; Tunca, Bensu ; Cabioc'H, Thierry ; Lu, Jun ; Persson, Per O.Å. ; Lambrinou, Konstantina ; Vleugels, Jozef. / Synthesis of MAX Phases in the Hf-Al-C System. In: Inorganic Chemistry. 2016 ; Vol. 55, No. 21. pp. 10922-10927.
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Lapauw, T, Tunca, B, Cabioc'H, T, Lu, J, Persson, POÅ, Lambrinou, K & Vleugels, J 2016, 'Synthesis of MAX Phases in the Hf-Al-C System', Inorganic Chemistry, vol. 55, no. 21, pp. 10922-10927. https://doi.org/10.1021/acs.inorgchem.6b01398

Synthesis of MAX Phases in the Hf-Al-C System. / Lapauw, Thomas; Tunca, Bensu; Cabioc'H, Thierry; Lu, Jun; Persson, Per O.Å.; Lambrinou, Konstantina; Vleugels, Jozef.

In: Inorganic Chemistry, Vol. 55, No. 21, 07.11.2016, p. 10922-10927.

Research output: Contribution to journalArticle

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AU - Lapauw, Thomas

AU - Tunca, Bensu

AU - Cabioc'H, Thierry

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AU - Persson, Per O.Å.

AU - Lambrinou, Konstantina

AU - Vleugels, Jozef

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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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Lapauw T, Tunca B, Cabioc'H T, Lu J, Persson POÅ, Lambrinou K et al. Synthesis of MAX Phases in the Hf-Al-C System. Inorganic Chemistry. 2016 Nov 7;55(21):10922-10927. https://doi.org/10.1021/acs.inorgchem.6b01398