Stripe order in highly doped La2-xSrxNiO4

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

doi:10.1007/s003390201845

Stripe order in highly doped La_2-xSr_xNiO₄

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Stripe order in La_2-xSr_xNiO₄ 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 n_h up to x = 1/2. We found that the stripe is most stable at n_h = 1/3 with ε = 1/3 from the analyses of the onset temperatures of the charge and spin orderings and the n_h 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 = n_h law for samples with n_h ≠ 1/3. This deviation affects the stripe order on both sides of the hole concentration with n_h < 1/3 as well as n_h > 1/3.

Original language	English
Pages (from-to)	S1765-S1769
Journal	Applied Physics A: Materials Science and Processing
Volume	74
Issue number	SUPPL.II
DOIs	https://doi.org/10.1007/s003390201845
Publication status	Published - 2002 Dec 1
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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title = "Stripe order in highly doped La2-xSrxNiO4",

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.",

author = "R. Kajimoto and T. Kakeshita and H. Yoshizawa and T. Tanabe and T. Katsufuji and Y. Tokura",

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T1 - Stripe order in highly doped La2-xSrxNiO4

AU - Kajimoto, R.

AU - Kakeshita, T.

AU - Yoshizawa, H.

AU - Tanabe, T.

AU - Katsufuji, T.

AU - Tokura, Y.

PY - 2002/12/1

Y1 - 2002/12/1

N2 - 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.

AB - 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.

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IS - SUPPL.II

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Stripe order in highly doped La_2-xSr_xNiO₄

Abstract

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