Universal features of charge and spin order in a half-doped layered perovskite | Zendy

Igor Zaliznyak | Zendy; J. M. Tranquada | Zendy; Genda Gu | Zendy; R. W. Erwin | Zendy; Yutaka Moritomo | Zendy

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Universal features of charge and spin order in a half-doped layered perovskite

Author(s) -

Igor Zaliznyak,

J. M. Tranquada,

Genda Gu,

R. W. Erwin,

Yutaka Moritomo

Publication year - 2004

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.1664400

Subject(s) - perovskite (structure) , spin (aerodynamics) , condensed matter physics , doping , neutron scattering , charge ordering , charge (physics) , neutron diffraction , materials science , order (exchange) , oxide , scattering , spin glass , range (aeronautics) , physics , crystal structure , crystallography , chemistry , optics , quantum mechanics , thermodynamics , finance , metallurgy , economics , composite material

We have investigated the peculiar structure of charge and spin ordering inthe half-doped layered perovskite oxide La$_{1.5}$Sr$_{0.5}$CoO$_4$ by elasticneutron scattering. Two samples with different preparation histories werestudied. We find that the generic features of the ordered states, such as theirshort-range, glassy nature and the spin incommensurability, aresample-independent. At the same time, some subtle features of the orderedphases, such as the correlation lengths, differ.Comment: Proof-corrected version, to appear in J. Appl. Phys. 95, # 11, 18141MMM (2004

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