Single crystal growth of 1T-VSe2 by molten salt flux method
Abstract
VSe2 is a highly promising van der Waals (vdW) material for applications in electronics, spintronics, and optoelectronics. Here, we report single crystal growth of 1T-VSe2 by flux method using eutectic of NaCl/KCl molten salt. The typical size of as-grown VSe2 single crystals is 5 × 4 × 0.1~mm3. The elemental composition and homogeneity of the crystals were examined by energy dispersive x-ray spectroscopy, which is consistent with the stoichiometric ratio of VSe2. The crystallographic [001] direction has been determined by x-ray diffraction. Raman measurement confirms that the 1T phase of VSe2 has been formed. Temperature-dependent resistivity measurement exhibits a transition around 104 K due to the formation of the charge density wave phase.
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