Out-Of-Plane Ordered Laminate Borides and Their 2D Ti-Based Derivative from Chemical Exfoliation.

ABSTRACT: Exploratory theoretical predictions in uncharted structural and compositional space are integral to materials discoveries. Inspired by M₅ SiB₂ (T2) phases, the finding of a family of laminated quaternary metal borides, M'₄ M″SiB₂ , with out-of-plane chemical order is reported here. 11 chemically ordered phases as well as 40 solid solutions, introducing four elements previously not observed in these borides are predicted. The predictions are experimentally verified for Ti₄ MoSiB₂ , establishing Ti as part of the T2 boride compositional space. Chemical exfoliation of Ti₄ MoSiB₂ and select removal of Si and MoB₂ sub-layers is validated by derivation of a 2D material, TiO_x Cl_y

SUBMITTER: Dahlqvist M 

PROVIDER: S-EPMC11468983 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature