Stripe order in highly doped La2-xSrxNiO4

R. Kajimoto, T. Kakeshita, H. Yoshizawa, T. Tanabe, T. Katsufuji, Y. Tokura

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Abstract

Stripe order in La2-xSrxNiO4 with 0.289 ≲ × ≲ 1/2 was studied with the neutron-diffraction technique. The stripe order of holes and spins was observed at low temperatures in all samples. The incommensurability ε of the stripe order is approximately linear with the hole concentration nh up to x = 1/2. We found that the stripe is most stable at nh = 1/3 with ε = 1/3 from the analyses of the onset temperatures of the charge and spin orderings and the nh dependence of the correlation length of the stripe order. The stability of an ε = 1/3 stripe induces a systematic deviation of ε from the ε = nh law for samples with nh ≠ 1/3. This deviation affects the stripe order on both sides of the hole concentration with nh < 1/3 as well as nh > 1/3.

Original languageEnglish
Pages (from-to)S1765-S1769
JournalApplied Physics A: Materials Science and Processing
Volume74
Issue numberSUPPL.II
DOIs
Publication statusPublished - 2002 Dec 1

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)

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    Kajimoto, R., Kakeshita, T., Yoshizawa, H., Tanabe, T., Katsufuji, T., & Tokura, Y. (2002). Stripe order in highly doped La2-xSrxNiO4. Applied Physics A: Materials Science and Processing, 74(SUPPL.II), S1765-S1769. https://doi.org/10.1007/s003390201845