Magnetodielectric effect and optic soft mode behaviour in quantum paraelectric EuTiO3 ceramics

Details Magnetodielectric effect and optic soft mode behaviour in quantum paraelectric EuTiO3 ceramics Magnetodielectric effect and optic soft mode behaviour in quantum paraelectric EuTiO3 ceramics

2007-06-13

arxiv.org/abs/0706.1882v3

EPL, 80 (2007) 27002

Physics

Condensed Matter

Materials Science

Scientific paper

10.1209/0295-5075/80/27002

Infrared reflectivity and time-domain terahertz transmission spectra of EuTiO3 ceramics revealed a polar optic phonon at 6 - 300K, whose softening is fully responsible for the recently observed quantum paraelectric behaviour. Even if our EuTiO3 ceramics show lower permittivity than the single crystal due to a reduced density and/or small amount of secondary pyrochlore Eu2Ti2O7 phase, we confirmed the magnetic field dependence of the permittivity, also slightly smaller than in single crystal. Attempt to reveal the soft phonon dependence at 1.8K on the magnetic field up to 13T remained below the accuracy of our infrared reflectivity experiment.

Affiliated with

Also associated with

No associations

Rating

Magnetodielectric effect and optic soft mode behaviour in quantum paraelectric EuTiO3 ceramics does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Magnetodielectric effect and optic soft mode behaviour in quantum paraelectric EuTiO3 ceramics, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetodielectric effect and optic soft mode behaviour in quantum paraelectric EuTiO3 ceramics will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-450895