Non-linear effects and Joule heating in I-V curves in manganites

Details Non-linear effects and Joule heating in I-V curves in manganites Non-linear effects and Joule heating in I-V curves in manganites

2005-06-17

arxiv.org/abs/cond-mat/0506448v1

Physics

Condensed Matter

Strongly Correlated Electrons

accepted in Journal of Applied Physics

Scientific paper

10.1063/1.1993750

We study the influence of the Joule effect on the non-linear behavior of the transport I-V curves in polycrystalline samples of the manganite Pr0.8Ca0.2MnO3 by using the crystalline unit cell parameters as an internal thermometer in X-ray and neutron diffraction. We develop a simple analytical model to estimate the temperature profile in the samples. Under the actual experimental conditions we show that the internal temperature gradient or the difference between the temperature of the sample and that of the thermal bath are at the origin of the non-linearity observed in the I-V curves. Consequences on other compounds with colossal magnetoresistance are also discussed.

Affiliated with

Also associated with

No associations

Rating

Non-linear effects and Joule heating in I-V curves in manganites 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 Non-linear effects and Joule heating in I-V curves in manganites, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Non-linear effects and Joule heating in I-V curves in manganites will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-447923