X-ray anomalous scattering investigations on the charge order in ${\alpha }^{\prime }$-NaV${}_2$O${}_5$

Abstract

Anomalous x-ray diffraction studies show that the charge ordering in ${\alpha }^{\prime }$-NaV${}_2$O${}_5$ is of zig-zag type in all vanadium ladders. We have found that there are two models of the stacking of layers along \emph{c-}direction, each of them consisting of 2 degenerated patterns, and that the experimental data is well reproduced if the 2 patterns appears simultaneously. We believe that the low temperature structure contains stacking faults separating regions corresponding to the four possible patterns.

Submitted to Phys. Rev. Lett., 4 pages, 4 eps figures inserted in the text

References in corpus (2)

• The "devil's staircase" type phase transition in NaV2O5 under high pressure
• Orthorhombic versus monoclinic symmetry of the charge-ordered state of NaV2O5

Cited by in corpus (10)

• Resonant x-ray diffraction study of the magnetoresistant perovskite Pr0.6Ca0.4MnO3
• Structural origin for the dipole x-ray resonant scattering in the low temperature phase of Nd0.5Sr0.5MnO3 manganite
• Charge-Order Pattern of the Low-Temperature Phase of NaV2O5 Uniquely Determined by Resonant X-Ray Scattering from Monoclinic Single Domain
• Low energy excitations and dynamic Dzyaloshinskii-Moriya interaction in ${\alpha }^{\prime }$-NaV${}_2$O${}_5$ studied by far infrared spectroscopy
• Ordering in Two-Dimensional Ising Models with Competing Interactions
• Creation and destruction of a spin gap in weakly coupled quarter-filled ladders
• On the Stacking Charge Order in NaV2O5
• Charge order induced by electron-lattice interaction in NaV2O5
• Charge order in photosensitive Bi0.4Ca0.6MnO3 films
• Electronic Properties of α'-NaV_2O_5