In their search for new superhard compounds, researchers have carried out a prediction of stable molybdenum borides and their crystal structures. They revealed that the highest borides contain four to five boron atoms per each molybdenum atom. The estimated Vickers hardness of MoB5 is 37 to 39 GPa, which makes it a potential superhard material. The study was published in The Journal of Physical Chemistry Letters.
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Source: Phys.org