Bulk experimental evidence of half-metallic ferromagnetism in doped manganites
arXiv:cond-mat/0008151 · doi:10.1103/PhysRevB.63.172411
Abstract
We report precise measurements and quantitative data analysis on the low-temperature resistivity of several ferromagnetic manganite films. We clearly show that there exists a T^{4.5} term in low-temperature resistivity, and that this term is in quantitative agreement with the quantum theory of two-magnon scattering for half metallic ferromagnets. Our present results provide the first bulk experimental evidence of half-metallic ferromagnetism in doped manganites.
4 pages, 4 figures