This review summarizes recent developments in the theory of spin glasses, as well as
pertinent experimental data. The most characteristic properties of spin glass systems are …

We present a working definition and a general description of a spin glass and discuss a
number of different systems, including metals, semiconductors and insulators. In this review …

Transport in ultrathin films of LaNiO 3 evolves from a metallic to a strongly localized
character as the film's thickness is reduced and the sheet resistance reaches a value close …

Giant negative magnetoresistance (GMR) has been observed in a number of granular
ferromagnetic systems [Co–Ag, Co–Cu, Fe–Cu, Fe–Ag, and (Fe–Ni)–Ag] with effect sizes as …

Debashish Chowdhury's critical review of more than a thousand papers not only identifies
the complexities involved in the theoretical understanding of the real spin glasses but also …

DOI: 10.1002/adma. 201304256 the MI transition observed in this system based on
modifications of Ni-O bond properties and corresponding changes in the carrier itinerancy …

ac magnetoresistance (MR) measurements performed in thin ribbons of the amorphous soft
ferromagnet Co70. 4Fe4. 6Si15B10 are reported with a longitudinal dc applied magnetic …

We report the study of magnetic and transport properties of polycrystalline and single crystal
Na (Zn, Mn) Sb, a new member of" 111" type of diluted magnetic materials. The material …

Spin glass, a class of random magnets with competing ferromagnetic and antiferromagnetic
interactions, has extensively been studied both experimentally and theoretically for more …

Magnetoresistance, the dependence of resistivity on the applied magnetic field, provides the
opportunity to manipulate and utilize the electronic spin degree of freedom, which is not only …