### Abstract

We report the results of elastic neutron-scattering measurements performed on (formula presented) 0.06, 0.075, and 0.085. In the low-temperature less-orthorhombic [(LTLO), (formula presented) symmetry] phase, the charge-density-wave (CDW) and spin-density-wave (SDW) wave vectors were found to tilt in a low-symmetric direction with one-dimensional anisotropy in the (formula presented) plane, while they were aligned along the high-symmetry axis in the low-temperature tetragonal (formula presented) symmetry) phase. The coincident direction of two wave vectors suggests a close relation between CDW and SDW orders. The SDW wave vector systematically deviates from the Cu-O bond direction in the LTLO phase upon Sr substitution and the tilt angle in the LTLO phase is smaller than that in the low-temperature orthorhombic phase (formula presented) symmetry) with comparable in-plane orthorhombic distortion. These results demonstrate a correlation between the corrugated pattern of the (formula presented) plane and the deviations.

Original language | English |
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Pages (from-to) | 1-6 |

Number of pages | 6 |

Journal | Physical Review B - Condensed Matter and Materials Physics |

Volume | 66 |

Issue number | 18 |

DOIs | |

Publication status | Published - 2002 Jan 1 |

Externally published | Yes |

### ASJC Scopus subject areas

- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics

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## Cite this

*Physical Review B - Condensed Matter and Materials Physics*,

*66*(18), 1-6. https://doi.org/10.1103/PhysRevB.66.184503