You've asked a number of questions on ferroliquids. To begin with, can you read the relevant wikipedia pages or google for another definition web page, to help you understand the more general concepts. Then, can you ask more specific questions, about what you don't understand, and what application you have in mind?
Listen, we have a diverse, smart group here. And we like to talk about chemistry, quantum chemistry, and physics all the time. But it's very tiring for use all, when we get very general questions. You're asking use to type, pages and pages of text, and we simply don't want to.