Spin excitations in the antiferromagnet NaNiO2

Details Spin excitations in the antiferromagnet NaNiO2 Spin excitations in the antiferromagnet NaNiO2

2006-08-10

arxiv.org/abs/cond-mat/0608238v1

Physical Review B 75 (02/03/2007) 094402

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1103/PhysRevB.75.094402

In NaNiO2, Ni3+ ions form a quasi two dimensional triangular lattice of S = 1=2 spins. The magnetic order observed below 20K has been described as an A type antiferromagnet with ferro- magnetic layers weakly coupled antiferromagnetically. We studied the magnetic excitations with the electron spin resonance for frequencies 1-20 cm-1, in magnetic fields up to 14 T. The bulk of the results are interpreted in terms of a phenomenological model involving bi-axial anisotropy for the spins: a strong easy-plane term, and a weaker anisotropy within the plane. The direction of the easy plane is constrained by the collective Jahn-Teller distortion occurring in this material at 480 K.

Affiliated with

Also associated with

No associations

Rating

Spin excitations in the antiferromagnet NaNiO2 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 Spin excitations in the antiferromagnet NaNiO2, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spin excitations in the antiferromagnet NaNiO2 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-311419