Recent content by slayercantona

I don't know much more thing about them. But, I try to learn and solve their relationship. I read D6, 1/D, constant law some journals, but they don't give much more information. They are talked about just their size relationship, shortly. But, I wonder what is the reason of this changing?

Hi everybody, I have faced with a problem in my report. The question said that "How can ferromagnetic effect change to depend on particle/grain size(at nm (10, 50, 100, 1000...) and at \mum (0.5, 1, 2...)?" (In shortly, what can we observe at feromagnetic effect if we increase and decrease of...