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Exploring the Potential of Nitride and Carbonitride MAX Phases: Synthesis, Magnetic and Electrical Transport Properties of V ₂ GeC, V ₂ GeC _0.5 N _0.5 , and V ₂ GeN

https://doi.org/10.1021/acs.chemmater.3c02510

Kubitza, Niels; Beckmann, Benedikt; Jankovic, Sanja; Skokov, Konstantin; Riaz, Aysha A; Schlueter, Christoph; Regoutz, Anna; Gutfleisch, Oliver; Birkel, Christina S (February 2024, Chemistry of Materials)

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Chemical Conversions within the Mo–Ga–C System: Layered Solids with Variable Ga Content

https://doi.org/10.1021/acs.inorgchem.4c00107

Büchner, Carina; Kubitza, Niels; Malik, Ali M; Jamboretz, John; Riaz, Aysha A; Zhu, Yujiang; Schlueter, Christoph; McCartney, Martha R; Smith, David J; Regoutz, Anna; et al (April 2024, Inorganic Chemistry)

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Between carbide and nitride MAX phases: sol–gel assisted synthesis and characterization of the carbonitride phase Cr ₂ GaC _1−x N _x

https://doi.org/10.1039/D4TC00067F

Kubitza, Niels; Huck, Isabel; Pazniak, Hanna; Kalha, Curran; Koch, David; Zhao, Bo; Thakur, Pardeep K; Lee, Tien-Lin; Riaz, Aysha A; Donner, Wolfgang; et al (June 2024, Journal of Materials Chemistry C)

The combination of a sol–gel precursor approach and microwave heating leads to a hitherto unknown MAX phase Cr₂GaC_1−xN_x. Magnetic measurements reveal that the susceptibility depends on the nitrogen amount on the X-site.
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Extending the Chemistry of Layered Solids and Nanosheets: Chemistry and Structure of MAX Phases, MAB Phases and MXenes

https://doi.org/10.1002/cplu.202300214

Kubitza, Niels; Büchner, Carina; Sinclair, Jordan; Snyder, Rose_M; Birkel, Christina_S (August 2023, ChemPlusChem)

Abstract MAX phases are layered solids with unique properties combining characteristics of ceramics and metals. MXenes are their two‐dimensional siblings that can be synthesized as van der Waals‐stacked and multi‐/single‐layer nanosheets, which possess chemical and physical properties that make them interesting for a plethora of applications. Both families of materials are highly versatile in terms of their chemical composition and theoretical studies suggest that many more members are stable and can be synthesized. This is very intriguing because new combinations of elements, and potentially new structures, can lead to further (tunable) properties. In this review, we focus on the synthesis science (including non‐conventional approaches) and structure of members less investigated, namely compounds with more exoticM‐,A‐, andX‐elements, for example nitrides and (carbo)nitrides, and the related family of MAB phases.
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