Two-dimensional (2D) boron monosulfide (BS) nanosheets are predicted to have several stable phases and unique electronic structures, endowing them with interesting attributes, including superconducting, thermoelectric, and hydrogen storage properties. In...

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Magnesium stannide (Mg2Sn) is a small bandgap semiconductor of interest as a promising thermoelectric or optoelectronic material. Thin films of Mg2Sn were epitaxially grown on sapphire (0001) surfaces using molecular beam epitaxy. The epitaxial relationship is (111)Mg2Sn∥(0001)Al2O3 and [112¯]Mg2Sn∥[101¯0]Al2O3, with a small amount of stacking faults. A relatively high growth rate of 0.21–0.27 nm/s was attainable.