Hi, I'm currently doing experiments on a 99.9% TiO2 source powder. I was wondering if there is anyway to lower the melting point of this solid? If possible, without compromising its purity. I only have access to an electrical furnace that is capable of reaching a maximum of 1200 degC only. Seeing that this material has a melting point of around 1800 degC, I am kinda stuck right now. By the way, I also have access to a relatively primitive vaccuum technology. I tried to seal my sample in a quartz tube then lowered the pressure inside up to around 10-6 torr. But I am not sure if this really has a significant effect, for I have learned before that a change in pressure does greatly affect the boiling point but I am not sure to the extent of its effect on melting point of solids. Hope for any replies or suggestions. Thanks very much for any information.