Cut gold 0,7mm thikness MOPA 50 W

I can not cut clean 0.7mm thickness of gold, some good soul can help me?
I set the parameters as the following but the pieces still seem glued to the plate and do not come off. what could be

this is the result …

It should be reminded that it is not recommended to keep the machine running at 100% power. It is recommended to increase the air assist during cutting to ensure a smooth cutting surface.