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In this work, we report results showing a correlation between the curvature of PDMS-supported CNT-tip arrays and their emission properties. CNTs were produced by using a hot-filament chemical-vapor-deposition (HFCVD) setup. VA-CNTs were synthesized using 28-Torr mixtures of methane (20 SCCM) and hydrogen (30 SCCM) as feedstock. Temperatures of filaments and substrates were 2050 and 750 degC, respectively...