Effects of "stripes" on the magnetic excitation spectra of La1.48Nd0.4Sr0.12CuO4

Masafumi Ito, Yukio Yasui, Satoshi Iikubo, Minoru Soda, Masatoshi Sato, Akito Kobayashi, Kazuhisa Kakurai

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9 Citations (Scopus)

Abstract

The wave vector (q)- and energy (ω)-dependent magnetic excitation spectra χ″(q,ω), have been studied in the temperature (T) range of 10 K ≤ T < 150 K on single crystals of La1.48Nd 0.4Sr0.12CuO4, which has the static "stripe" order in the low-temperature phase. The incommensurability δ of the peak of χ″(q,ω) found by the q-scans and the peak width Δq exhibit characteristic T dependences. The observed profiles show a clear incommensurate structure even at rather high temperatures. The results indicate that effects of the slowly fluctuating "stripes" exist not only in the low-temperature tetragonal (LTT) phase but also in the orthorhombic phase (LTO1) of the present system.

Original languageEnglish
Pages (from-to)1627-1630
Number of pages4
Journaljournal of the physical society of japan
Volume72
Issue number7
DOIs
Publication statusPublished - Jul 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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