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19 papers
Preserved metallicity and tunable magnetism in Zr-based Janus MXenes
S. Özcan, B. Biel
Janus MXenes provide a chemically asymmetric platform to tailor the properties of two-dimensional transition metal carbides. Here, we present a systematic first-principles study of…
Sc2CX (X=N2, ON, O2) MXenes as a promising anode material: A first-principles study
S. Özcan, B. Biel
MXenes' tunable properties make them excellent candidates for many applications in future nanoelectronics. In this work, we explore the suitability of ScCX (X=N, ON, O)…
Exploring a novel class of Janus MXenes by first principles calculations: structural, electronic and magnetic properties of Sc2CXT, X=O, F, OH; T=C, S, N
Sibel Özcan, Blanca Biel
The already intriguing electronic and optical properties of the MXene Sc2C family can be further tuned through a wide range of possible functionalizations. Here, by means of Densit…
Coverings and liftings of generalized crossed modules
Gamze Aytekin Arici, Tunçar Şahan
In the theory of crossed modules, considering arbitrary self-actions instead of conjugation allows for the extension of the concept of crossed modules and thus the notion of genera…
Pentactions and action representability in the category of reduced groups with action
Tamar Datuashvili, Tunçar Şahan
A notion of pentaction of any object in the category of reduced groups with action is introduced. The operations are defined in the set $\mathsf{Pentact}(A…
Actions and semi-direct products in categories of groups with action
Tamar Datuashvili, Tunçar Şahan
Derived actions in the category of groups with action on itself are defined and described. This category plays a crucial role in the solution of Loday's two…