Erratum: Incommensurate Magnetic Ordering in Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} X=Cl,Br Studied by Neutron Diffraction [Phys. Rev. Lett. 93, 217206 (2004)]

doi:10.1103/PHYSREVLETT.96.0

Title: Erratum: Incommensurate Magnetic Ordering in Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} X=Cl,Br Studied by Neutron Diffraction [Phys. Rev. Lett. 93, 217206 (2004)]

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Authors:: Zaharko, O.; Daoud-Aladine, A.; Streule, S.; Mesot, J.; Brown, P.-J.; Berger, H

Publication Date:: Fri Feb 03 00:00:00 EST 2006

OSTI Identifier:: 20778551

Resource Type:: Journal Article

Resource Relation:: Journal Name: Physical Review Letters; Journal Volume: 96; Journal Issue: 4; Other Information: DOI: 10.1103/PhysRevLett.96.049901; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; BROMINE COMPOUNDS; CHLORINE COMPOUNDS; COPPER COMPOUNDS; MAGNETIC PROPERTIES; NEUTRON DIFFRACTION; TELLURIUM COMPOUNDS

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                    Zaharko, O., Daoud-Aladine, A., Streule, S., Mesot, J., Brown, P.-J., and Berger, H. Erratum: Incommensurate Magnetic Ordering in Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} X=Cl,Br Studied by Neutron Diffraction [Phys. Rev. Lett. 93, 217206 (2004)].  United States: N. p., 2006. 
        Web.  doi:10.1103/PHYSREVLETT.96.0.

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                    Zaharko, O., Daoud-Aladine, A., Streule, S., Mesot, J., Brown, P.-J., & Berger, H. Erratum: Incommensurate Magnetic Ordering in Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} X=Cl,Br Studied by Neutron Diffraction [Phys. Rev. Lett. 93, 217206 (2004)].  United States.  doi:10.1103/PHYSREVLETT.96.0.

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                    Zaharko, O., Daoud-Aladine, A., Streule, S., Mesot, J., Brown, P.-J., and Berger, H. Fri .  
        "Erratum: Incommensurate Magnetic Ordering in Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} X=Cl,Br Studied by Neutron Diffraction [Phys. Rev. Lett. 93, 217206 (2004)]".  United States.  
        doi:10.1103/PHYSREVLETT.96.0.

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@article{osti_20778551,

  title        = {Erratum: Incommensurate Magnetic Ordering in Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} X=Cl,Br Studied by Neutron Diffraction [Phys. Rev. Lett. 93, 217206 (2004)]},

  author       = {Zaharko, O. and Daoud-Aladine, A. and Streule, S. and Mesot, J. and Brown, P.-J. and Berger, H},

  abstractNote = {No abstract prepared.},

  doi          = {10.1103/PHYSREVLETT.96.0},

  journal      = {Physical Review Letters},

  number       = 4,

  volume       = 96,

  place        = {United States},

  year         = {Fri Feb 03 00:00:00 EST 2006},

  month        = {Fri Feb 03 00:00:00 EST 2006}

}

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DOI: 10.1103/PHYSREVLETT.96.0

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Incommensurate magnetic ordering in Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} (X=Cl,Br) studied by single crystal neutron diffraction

Zaharko, O. ; Roennow, H. ; Mesot, J. ; ... - Physical Review. B, Condensed Matter and Materials Physics

Polarized and unpolarized neutron-diffraction studies have been carried out on single crystals of the coupled spin tetrahedra systems Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} (X=Cl,Br). A model of the magnetic structure associated with the propagation vectors k{sup '}{sub Cl}{approx_equal}(-0.150,0.422,(1/2)) and k{sup '}{sub Br}{approx_equal}(-0.172,0.356,(1/2)) and stable below T{sub N}=18 K for X=Cl and T{sub N}=11 K for X=Br is proposed. A feature of the model, common to both the bromide and chloride, is a canted coplanar motif for the four Cu{sup 2+} spins on each tetrahedron which rotates on a helix from cell to cell following the propagation vector. The Cu{sup 2+}more »« less
DOI: 10.1103/PHYSREVB.73.0
Neutron inelastic scattering investigation of the magnetic excitations in Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} (X=Br,Cl)

Crowe, S.J. ; Majumdar, S. ; Lees, M.R. ; ... - Physical Review. B, Condensed Matter and Materials Physics

Neutron inelastic scattering investigations have been performed on the spin tetrahedral system Cu{sub 2}Te{sub 2}O{sub 5}X{sub 2} (X=Cl,Br). We report the observation of magnetic excitations with a dispersive component in both compounds, associated with the three-dimensional incommensurate magnetic order that develops below T{sub N}{sup Cl}=18.2 K and T{sub N}{sup Br}=11.4 K. The excitation in Cu{sub 2}Te{sub 2}O{sub 5}Cl{sub 2} softens as the temperature approaches T{sub N}{sup Cl}, leaving diffuse quasi-elastic scattering above the transition temperature. In the bromide, the excitations are present well above T{sub N}{sup Br}, which might be attributed to the presence of a degree of low dimensionalmore »« less
DOI: 10.1103/PhysRevB.71.224430
Effect of externally applied pressure on the magnetic behavior of Cu{sub 2}Te{sub 2}O{sub 5}(Br{sub x}Cl{sub 1-x}){sub 2}

Crowe, S. J. ; Lees, M. R. ; Paul, D. M. K. ; ... - Physical Review. B, Condensed Matter and Materials Physics

The effect of externally applied pressure on the magnetic behavior of Cu{sub 2}Te{sub 2}O{sub 5}(Br{sub x}Cl{sub 1-x}){sub 2} with x=0, 0.73, and 1, is investigated by a combination of magnetic susceptibility, neutron diffraction, and neutron inelastic scattering measurements. The magnetic transition temperatures of the x=0 and 0.73 compositions are observed to increase linearly with increasing pressure at a rate of 0.23(2) and 0.04(1) K/kbar, respectively. However, the bromide shows contrasting behavior with a large suppression of the transition temperature under pressure, at a rate of -0.95(9) K/kbar. In neutron inelastic scattering measurements of Cu{sub 2}Te{sub 2}O{sub 5}Br{sub 2} under pressuremore »« less
DOI: 10.1103/PHYSREVB.73.1
Erratum: Phonons from Powder Diffraction: A Quantitative Model-Independent Evaluation [Phys. Rev. Lett. 93, 075502 (2004)]

Goodwin, Andrew L. ; Tucker, Matthew G. ; Dove, Martin T. ; ... - Physical Review Letters

No abstract prepared.
DOI: 10.1103/PhysRevLett.95.119901
Oxygen ordering in the crystal structure of the 93-K superconductor YBa/sub 2/Cu/sub 3/O/sub 7/ using powder neutron diffraction at 298 and 79. 5 K

Greedan, J.E. ; O'Reilly, A. ; Stager, C.V. - Phys. Rev. B: Condens. Matter; (United States)

The crystal structure of the 93-K superconductor YBa/sub 2/Cu/sub 3/O/sub 7/ has been elucidated from neutron powder diffraction data at 298 and 79.5 K. We confirm the basic features of the perovskite-related structure found at room temperature from earlier x-ray diffraction studies of small single crystals and find, additionally, that ordering of one of the oxygen atoms gives rise to square planar coordination for one of the copper atoms rather than disordered octahedral coordination. Within the resolution of our data there is no apparent change in structure below T/sub c/.
DOI: 10.1103/PhysRevB.35.8770