A high-resolution neutron powder diffraction study on high-Tc superconductor YBa2Cu3O7

Olli Antson; Pekka Hiismäki; Heikki Pöyry; Antero Tiitta; Kari Ullakko; Vitali Trunov; V. Ulyanov

doi:10.1016/0038-1098(87)90694-6

A high-resolution neutron powder diffraction study on high-T_c superconductor YBa₂Cu₃O₇

Olli Antson, Pekka Hiismäki, Heikki Pöyry, Antero Tiitta (Corresponding Author), Kari Ullakko, Vitali Trunov, V. Ulyanov

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Abstract

A high-resolution neutron time-of-flight diffraction measurement of superconductive Y-Ba-Cu-O (Tco = 91 K) has been performed both at room temperature and at 77 K. Profile refinements of the measured data resulted in a unit cell of stoichiometry YBa₂Cu₃O₇. The positions of the oxygen deficiencies were also determined. Refinement of the anisotropic thermal parameters for the oxygen atoms seem to indicate some changes in the form of the thermal ellipsoids of these atoms when cooled below T.

Original language	English
Pages (from-to)	757-760
Journal	Solid State Communications
Volume	64
Issue number	5
DOIs	https://doi.org/10.1016/0038-1098(87)90694-6
Publication status	Published - 1987
MoE publication type	A1 Journal article-refereed

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10.1016/0038-1098(87)90694-6

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title = "A high-resolution neutron powder diffraction study on high-Tc superconductor YBa2Cu3O7",

abstract = "A high-resolution neutron time-of-flight diffraction measurement of superconductive Y-Ba-Cu-O (Tco = 91 K) has been performed both at room temperature and at 77 K. Profile refinements of the measured data resulted in a unit cell of stoichiometry YBa2Cu3O7. The positions of the oxygen deficiencies were also determined. Refinement of the anisotropic thermal parameters for the oxygen atoms seem to indicate some changes in the form of the thermal ellipsoids of these atoms when cooled below T.",

author = "Olli Antson and Pekka Hiism{\"a}ki and Heikki P{\"o}yry and Antero Tiitta and Kari Ullakko and Vitali Trunov and V. Ulyanov",

year = "1987",

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T1 - A high-resolution neutron powder diffraction study on high-Tc superconductor YBa2Cu3O7

AU - Antson, Olli

AU - Hiismäki, Pekka

AU - Pöyry, Heikki

AU - Tiitta, Antero

AU - Ullakko, Kari

AU - Trunov, Vitali

AU - Ulyanov, V.

PY - 1987

Y1 - 1987

N2 - A high-resolution neutron time-of-flight diffraction measurement of superconductive Y-Ba-Cu-O (Tco = 91 K) has been performed both at room temperature and at 77 K. Profile refinements of the measured data resulted in a unit cell of stoichiometry YBa2Cu3O7. The positions of the oxygen deficiencies were also determined. Refinement of the anisotropic thermal parameters for the oxygen atoms seem to indicate some changes in the form of the thermal ellipsoids of these atoms when cooled below T.

AB - A high-resolution neutron time-of-flight diffraction measurement of superconductive Y-Ba-Cu-O (Tco = 91 K) has been performed both at room temperature and at 77 K. Profile refinements of the measured data resulted in a unit cell of stoichiometry YBa2Cu3O7. The positions of the oxygen deficiencies were also determined. Refinement of the anisotropic thermal parameters for the oxygen atoms seem to indicate some changes in the form of the thermal ellipsoids of these atoms when cooled below T.

U2 - 10.1016/0038-1098(87)90694-6

DO - 10.1016/0038-1098(87)90694-6

M3 - Article

SN - 0038-1098

VL - 64

SP - 757

EP - 760

JO - Solid State Communications

JF - Solid State Communications

IS - 5

ER -

A high-resolution neutron powder diffraction study on high-Tc superconductor YBa2Cu3O7

Abstract

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A high-resolution neutron powder diffraction study on high-T_c superconductor YBa₂Cu₃O₇