No best answer

In fact, the best way to learn materials is to do scientific research. Interest and persistence are also very important, because this process will be very hard and will eliminate many people. If you become the part of the elimination, that is, if you are the base, in fact, the employment prospects are not very good.
Therefore, this subject is suitable for such high-tech talents who have a very strong interest in this major and then can truly master a technology.