X-ray Investigation of the Magneto-elastic Instability of alpha'-NaV2O5

Details X-ray Investigation of the Magneto-elastic Instability of alpha'-NaV2O5 X-ray Investigation of the Magneto-elastic Instability of alpha'-NaV2O5

1998-08-28

arxiv.org/abs/cond-mat/9808313v2

Physics

Condensed Matter

Strongly Correlated Electrons

Accepted in PRB Rapid.comm. Corrected typos, references added, figures improved

Scientific paper

10.1103/PhysRevB.59.R681

We present an X-ray diffuse scattering study of the pretransitional structural fluctuations of the magneto-elastic transition in alpha'-NaV2O5. This transition is characterized by the appearance below Tsp~35K of satellite reflections at the reduced wave vector (1/2,1/2,1/4). A large regime of structural fluctuations is measured up to 90 K. These fluctuations are three dimensional between Tsp and ~50K and quasi-one dimensional above ~60K. At 40 K the anisotropy ratio is found to be (xib :xia :xic)= (3.8 : 1.8 : 1), which reveals the importance of transverse interactions in the stabilization of the low temperature phase. We discuss our results within the framework of recent theories dealing with the simultaneous occurrence of a charge ordering, a spin gap and a lattice distortion in this intriguing compound.

Affiliated with

Also associated with

No associations

Rating

X-ray Investigation of the Magneto-elastic Instability of alpha'-NaV2O5 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 X-ray Investigation of the Magneto-elastic Instability of alpha'-NaV2O5, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and X-ray Investigation of the Magneto-elastic Instability of alpha'-NaV2O5 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-349016