Abstract
Penetration of electromagnetic field into the bulk polycrystalline La0.75Pb0.25MnO3 manganite in a frequency range from 20kHz to 10MHz as a function of DC magnetic field in a temperature range near magnetic phase transition was studied experimentally. At low frequencies, variations of penetration coefficient are mostly determined by variations of magnetic permeability while in the megahertz frequency range they are mostly determined by magnetoresistance. At radio frequencies the dynamic magnetic susceptibility can substantially exceed unity even in a temperature range of 10–14° above the Curie temperature. This can be interpreted as confirmation of existence of a local short-range magnetic order above the Curie temperature.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
