Evidence for local lattice fluctuations as a response function of the charge stripe order in the La1.48Nd0.4Sr0.12CuO4 system
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概要
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We have used polarized Cu K-edge extended x-ray absorption fine structure to investigate the local lattice displacements in the charge-ordered La1.48Nd0.4Sr0.12CuO4 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.
- American Physical Societyの論文
- 2001-09-13
著者
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藤田 敏三
Department Of Quantum Matter Adsm Hiroshima University
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藤田 敏三
広大先端
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Nakamura F
Department Of Quantum Matter Adsm Hiroshima University
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Alessandra Lanzara
Dipartimento Di Fisica And Istituto Nazionale Di Fisica Della Materia (infm):universita Di Roma"
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Lanzara A
Univ. Roma “la Sapienza " Roma Ita
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Lanzara A
Dipartimento Di Fisica And Istituto Nazionale Di Fisica Della Materia (infm):universita Di Roma"
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