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Correlation between crystal purity and the charge density wave in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>1</mml:mn><mml:mi>T</mml:mi><mml:mo>โ</mml:mo><mml:msub><mml:mi>VSe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
We examine the charge density wave (CDW) properties of $1T\ensuremath{-}{\mathrm{VSe}}_{2}$ crystals grown by chemical vapor transport (CVT) under varying conditions. Specifically, we find that upon lowering the growth temperature (${T}_{g}<{630}^{\phantom{\rule{0.16em}{0ex}}\ensuremath{\circ}}\mathrm{C}$), there is a significant increase in both the CDW transition temperature and the residual resistance ratio (RRR) obtained from electrical โฆ