Inhomogeneous CuO6 tilt distribution and charge-spin correlations in La2-x-yNdySrxCuO4 around the commensurate hole concentration

A Gozar; B S Dennis; Theo Siegrist; Y Horibe; G Blumberg; S Komiya; Y Ando

doi:10.1103/PhysRevB.68.052511

Inhomogeneous CuO6 tilt distribution and charge-spin correlations in La2-x-yNdySrxCuO4 around the commensurate hole concentration

A Gozar, B S Dennis, Theo Siegrist, Y Horibe, G Blumberg, S Komiya, Y Ando

Centre for Analysis and Synthesis

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Abstract

Phononic and magnetic Raman scattering are studied in La2-x-yNdySrxCuO4 with three doping concentrations: x1/8, y = 0; x1/8, y = 0.4; and x = 0.01, y = 0. We observe strong disorder in the tilt pattern of the CuO6 octahedra in both the orthorhombic and tetragonal phases that persist down to 10 K and are coupled to bond disorder in the cation layers around 1/8 doping independent of Nd concentration. The weak magnitude of existing charge-spin modulations in the Nd-doped structure does not allow us to detect the specific Raman signatures of lattice dynamics or two-magnon scattering around 2200 cm–1. ©2003 The American Physical Society

Original language	English
Pages (from-to)	052511-1-052511-4
Journal	Physical Review B (Condensed Matter and Materials Physics)
Volume	68
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.68.052511
Publication status	Published - 2003

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Polymer and Materials Chemistry (LTH) (011001041)

Subject classification (UKÄ)

Chemical Sciences

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10.1103/PhysRevB.68.052511

Cite this

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title = "Inhomogeneous CuO6 tilt distribution and charge-spin correlations in La2-x-yNdySrxCuO4 around the commensurate hole concentration",

abstract = "Phononic and magnetic Raman scattering are studied in La2-x-yNdySrxCuO4 with three doping concentrations: x1/8, y = 0; x1/8, y = 0.4; and x = 0.01, y = 0. We observe strong disorder in the tilt pattern of the CuO6 octahedra in both the orthorhombic and tetragonal phases that persist down to 10 K and are coupled to bond disorder in the cation layers around 1/8 doping independent of Nd concentration. The weak magnitude of existing charge-spin modulations in the Nd-doped structure does not allow us to detect the specific Raman signatures of lattice dynamics or two-magnon scattering around 2200 cm–1. {\textcopyright}2003 The American Physical Society",

author = "A Gozar and Dennis, {B S} and Theo Siegrist and Y Horibe and G Blumberg and S Komiya and Y Ando",

note = "The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Polymer and Materials Chemistry (LTH) (011001041)",

year = "2003",

doi = "10.1103/PhysRevB.68.052511",

language = "English",

volume = "68",

pages = "052511--1--052511--4",

journal = "Physical Review B (Condensed Matter and Materials Physics)",

issn = "1098-0121",

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TY - JOUR

T1 - Inhomogeneous CuO6 tilt distribution and charge-spin correlations in La2-x-yNdySrxCuO4 around the commensurate hole concentration

AU - Gozar, A

AU - Dennis, B S

AU - Siegrist, Theo

AU - Horibe, Y

AU - Blumberg, G

AU - Komiya, S

AU - Ando, Y

N1 - The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Polymer and Materials Chemistry (LTH) (011001041)

PY - 2003

Y1 - 2003

N2 - Phononic and magnetic Raman scattering are studied in La2-x-yNdySrxCuO4 with three doping concentrations: x1/8, y = 0; x1/8, y = 0.4; and x = 0.01, y = 0. We observe strong disorder in the tilt pattern of the CuO6 octahedra in both the orthorhombic and tetragonal phases that persist down to 10 K and are coupled to bond disorder in the cation layers around 1/8 doping independent of Nd concentration. The weak magnitude of existing charge-spin modulations in the Nd-doped structure does not allow us to detect the specific Raman signatures of lattice dynamics or two-magnon scattering around 2200 cm–1. ©2003 The American Physical Society

AB - Phononic and magnetic Raman scattering are studied in La2-x-yNdySrxCuO4 with three doping concentrations: x1/8, y = 0; x1/8, y = 0.4; and x = 0.01, y = 0. We observe strong disorder in the tilt pattern of the CuO6 octahedra in both the orthorhombic and tetragonal phases that persist down to 10 K and are coupled to bond disorder in the cation layers around 1/8 doping independent of Nd concentration. The weak magnitude of existing charge-spin modulations in the Nd-doped structure does not allow us to detect the specific Raman signatures of lattice dynamics or two-magnon scattering around 2200 cm–1. ©2003 The American Physical Society

U2 - 10.1103/PhysRevB.68.052511

DO - 10.1103/PhysRevB.68.052511

M3 - Article

SN - 1098-0121

VL - 68

SP - 052511-1-052511-4

JO - Physical Review B (Condensed Matter and Materials Physics)

JF - Physical Review B (Condensed Matter and Materials Physics)

IS - 5

ER -

Inhomogeneous CuO6 tilt distribution and charge-spin correlations in La2-x-yNdySrxCuO4 around the commensurate hole concentration

Abstract

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