Is that the same oxide as used in Tantalum capacitors? Those things have a tendency to explode randomly if inrush current isn't controlled appropriately. They'

Is that the same oxide as used in Tantalum capacitors? Those things have a tendency to explode randomly if inrush current isn't controlled appropriately. They're also expensive and somewhat of a conflict material from what I understand in the little reading I've done on them(but they're awesome for power circuits).