2000/03/31 by M. Lohmann, H.‐A. Krug von Nidda, H. -A. Krug von Nidda +5 · 31 citations
Chemistry · Engineering · Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Algorithm #Anisotropy #Charge (physics) #Chemistry #Computer science #Condensed matter physics #Crystallography #Order (exchange) #Perovskite Materials and Applications #Physics #Quantum mechanics #Transition Metal Oxide Nanomaterials #cond-mat.str-el
paper · pdf · doi:10.1103/physrevlett.85.1742
published in Physical Review Letters 85(8), 1742-1745 (American Physical Society) · 4 pages including 3 figures, submitted to Phys. Rev. Lett
arxiv created 2000/04/06 · openalex publication_date 2000/08/21 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We present angular dependent EPR measurements in NaV2O5 at X-band frequencies in the temperature range 4.2\ensuremath≤T\ensuremath≤670 K. A detailed analysis in terms of the antisymmetric Dzyaloshinski-Moriya and the anisotropic exchange interactions yields the following scheme of charge order: On decreasing temperature a quarter-filled ladder with strong charge disproportions, existing for T\ensuremath≥100 K, is followed by zigzag charge-order fluctuations which become long range and static below TSP\phantom\rule0ex0ex=\phantom\rule0ex0ex34 K.