Evidence for local lattice fluctuations as a response function of the charge stripe order in theLa1.48Nd0.4 | Zendy

N. L. Saini | Zendy; H. Ōyanagi | Zendy; Alessandra Lanzara | Zendy; D. Di Castro | Zendy; Stefano Agrestini | Zendy; A. Bianconi | Zendy; Fumihiko Nakamura | Zendy; T. Fujita | Zendy

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Evidence for local lattice fluctuations as a response function of the charge stripe order in theLa1.48Nd0.4

Author(s) -

N. L. Saini,

H. Ōyanagi,

Alessandra Lanzara,

D. Di Castro,

Stefano Agrestini,

A. Bianconi,

Fumihiko Nakamura,

T. Fujita

Publication year - 2001

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.64.132510

Subject(s) - lattice (music) , condensed matter physics , charge (physics) , physics , cuprate , order (exchange) , superconductivity , quantum mechanics , finance , acoustics , economics

We have used polarized Cu K-edge extended x-ray absorption fine structure to investigate the local lattice displacements in the charge-ordered La(1.48)Nd(0.4)Sr(0.12)CuO(4) system. The temperature-dependent distance broadening, given by the Debye-Waller factors of the Cu-O bonds measuring local lattice fluctuations, shows a clear steplike increase below the charge stripe order temperature. The results construct a direct evidence for the local lattice fluctuations as a response function of the charge stripe ordering in the cuprate superconductors

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