Magnetite: Raman study of the high-pressure and low-temperature effects

Details Magnetite: Raman study of the high-pressure and low-temperature effects Magnetite: Raman study of the high-pressure and low-temperature effects

2009-07-14

arxiv.org/abs/0907.2456v1

Journal of Applied Physics 97, 10A922 (2005)

Physics

Condensed Matter

Materials Science

Scientific paper

We report the results of a low-temperature (300K-15K) high-pressure (up to 22GPa) Raman study of the Verwey transition in magnetite (Fe3O4). We use additional Raman modes observed below the Verwey transition to determine how the transition temperature changes with the quasihydrostatic pressure. Increase of the pressure results in the linear decrease of the Verwey transition temperature, with no discontinuity. The corresponding pressure coefficient dTV/dP is found to be ~ -5.2 K/GPa. Such a decrease is substantially larger than the one predicted by the mean-field Coulomb interaction model of the transition.

Affiliated with

Also associated with

No associations

Rating

Magnetite: Raman study of the high-pressure and low-temperature effects 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 Magnetite: Raman study of the high-pressure and low-temperature effects, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetite: Raman study of the high-pressure and low-temperature effects will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-363703