Magnetic properties of La0.78Pb0.22MnO3 monocrystal

Details Magnetic properties of La0.78Pb0.22MnO3 monocrystal Magnetic properties of La0.78Pb0.22MnO3 monocrystal

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..899..624l&link_type=abstract

SIXTH INTERNATIONAL CONFERENCE OF THE BALKAN PHYSICAL UNION. AIP Conference Proceedings, Volume 899, pp. 624-624 (2007).

Physics

Manganites, Giant Magnetoresistance, Magnetic Phase Boundaries

Scientific paper

La0.78Pb0.22MnO3 single crystal is grown by the high temperature solution growth method. Magnetic, magnetoresistive and Hall effect characteristics of the mono crystal are studied as a function of the temperature and magnetic field. The maximum Giant Magnetoresistance (GMR) occurs at the ferromagnetic - paramagnetic phase transition temperature at 385 K and 14 T with ΔR/R(0)=95%. The sample is paramagnetic above and ferromagnetic under this temperature. Metallic - insulator state transition takes place in this temperature region.

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