Temperature dependent electrical properties:

Figure 27.06: (top) Resistivity of LCMO films on STO substrate [2] and (bottom) Giant Planar Hall Effect in (Ga,Mn) As devices [3].

Ref.[2]. H. Sharma et al., Appl. Phys. Lett. 105 (2014) 222406.
Ref.[3]. http ://nano.caltech.edu/research/.

Quiz 27:

(Q27.1) Can we produce negative magnetoresistance in pure magnetic materials?

(Q27.2) Why the resistance in parallelly aligned magnetic layers is observed to be minimum?

(Q27.3) What is the maximum GMR obtained so far?

(Q27.4) What is the advantage of CPP GMR over CIP GMR?

(Q27.5) What are the different types of MR observed?