Experimental data and their theoretical interpretation are presented for the colossal
magnetoresistance (CMR) materials to which conventional ferromagnetic semiconductors …

Colossal magnetoresistance (CMR) phenomena are observed in the perovskite-type hole-
doped manganites in which the double-exchange ferromagnetic metal phase and the …

Magnetoelectronic features of the perovskite-type manganites are overviewed in the light of
the mechanism of the colossal magnetoresistance (CMR). The essential ingredient of the …

The features and mechanism of Colossal Magnetoresistance, or CMR, in manganese oxides
as well as device physics are highlighted in this book, with a focus on tunneling MR for some …

This chapter attempts to systematically outline some fundamentals and key experimental
results concerning magnetic properties of perovskite manganites, focusing on (i) …

Colossal magnetoresistance materials, to which manganites and conventional
ferromagnetic semiconductors belong, draw great attention because of their intriguing …

Polycrystalline bulk porous samples with a large number of weak-link grain boundaries and
high density polycrystalline bulk samples with strong-link boundaries were synthesized by …

The phase change from a charge-and orbital-ordered insulator to a ferromagnetic metal has
been investigated for single crystals of Pr 0.55 (Ca 1− y Sr y) 0.45 MnO 3 with controlled one …

Most manganites exhibiting colossal magnetoresistant properties are structurally very
simple. They are based on a perosvskite structure with the general formula. The electric and …

Magnetite (Fe 3 O 4) nanoparticles, 8 to 9 nm in size, have been synthesized using an
aqueous precipitation technique. X-ray diffraction and chemical titration confirm a single …