Magnets made of biological materials enjoy a number of advantages over the classic metal or alloy magnets. They are chemically more flexible,cheaper to make, and can be better adapted to various purposes and varying designs. In practice, or researchers want to apply both types of magnets in electronics in spintronic elements,which transport information not by electrical load but via the spin of the component molecules. This intrinsic angular momentum is a typical characteristic of particles, such as electrons. Reza Kakavandi, or Professor Thomas Chassé and Dr. Benedetta Casu of the Institute of Physical Chemistry at the University of Tübingen enjoy investigated just such a magnetic interface between the titanium oxide crystals in rutile form and a purely biological magnet. They found that the transition area where the materials met was highly sensitive to minimal defects in the surfaces.
Source: phys.org