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Molybdenum carbide (Mo2C), a class of unterminated MXene, is endowed with rich polymorph chemistry, but the growth conditions of the various polymorphs are not understood. Other than the most commonly observed T‐phase Mo2C, little is known about other phases. Here, Mo2C crystals are successfully grown consisting of mixed polymorphs and polytypes via a diffusion‐mediated mechanism, using liquid copper...
We present a first-principles theoretical study of electric field-and straincontrolled intrinsic half-metallic properties of zigzagged aluminium nitride (AlN) nanoribbons. We show that the half-metallic property of AlN ribbons can undergo a transition into fully-metallic or semiconducting behavior with application of an electric field or uniaxial strain. An external transverse electric field induces...
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