Fig. 3: The combustion reactivity of B, B@F and B6O.
From: Interfacial oxidation of boron proceeds through a stable B₆O intermediate

a the flame propagation process in atm air ignited by Ni-Cr wire. b the flame area calculated according to flame imagens. c the time-dependent pressure evolution curves. d the combustion heat in different oxygen pressure. e the ignition delay time in different laser power. f the thermal reaction process analyzed by DSC curves. g the thermal reaction process analyzed by TG curves. h the thermal reaction process analyzed by DTG curves.