The effect of tin substitution on ferroelectric ordering of Cu-O chains in YBCO oxides

Guangping Zheng; Jinxiu Zhang

doi:10.1088/0953-2048/15/10/306

The effect of tin substitution on ferroelectric ordering of Cu-O chains in YBCO oxides

Guangping Zheng, Jinxiu Zhang

Research output: Journal article publication › Journal article › Academic research › peer-review

2 Citations (Scopus)

Abstract

Tin-doped YBa2Cu3O7-ysuperconductors are characterized by dielectric constant, Mossbauer spectrum and acoustic internal friction measurements. The Mossbauer spectrum shows that tin goes mainly to the Cu(1) position. The structural and ferroelectric anomalies near 200 K are observed in the temperature-dependence dielectric constant and internal friction. We attribute this phenomenon to the ferroelectric ordering in the Cu-O chains. Doping of tin to the well-ordered Cu-O chains modifies the ferroelectric transition temperature. We analyse the relations between this ferroelectric phase in Cu-O chains and the charge strip phase in the CuO2plane.

Original language	English
Pages (from-to)	1398-1403
Number of pages	6
Journal	Superconductor Science and Technology
Volume	15
Issue number	10
DOIs	https://doi.org/10.1088/0953-2048/15/10/306
Publication status	Published - 1 Oct 2002
Externally published	Yes

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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10.1088/0953-2048/15/10/306

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title = "The effect of tin substitution on ferroelectric ordering of Cu-O chains in YBCO oxides",

abstract = "Tin-doped YBa2Cu3O7-ysuperconductors are characterized by dielectric constant, Mossbauer spectrum and acoustic internal friction measurements. The Mossbauer spectrum shows that tin goes mainly to the Cu(1) position. The structural and ferroelectric anomalies near 200 K are observed in the temperature-dependence dielectric constant and internal friction. We attribute this phenomenon to the ferroelectric ordering in the Cu-O chains. Doping of tin to the well-ordered Cu-O chains modifies the ferroelectric transition temperature. We analyse the relations between this ferroelectric phase in Cu-O chains and the charge strip phase in the CuO2plane.",

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AU - Zheng, Guangping

AU - Zhang, Jinxiu

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N2 - Tin-doped YBa2Cu3O7-ysuperconductors are characterized by dielectric constant, Mossbauer spectrum and acoustic internal friction measurements. The Mossbauer spectrum shows that tin goes mainly to the Cu(1) position. The structural and ferroelectric anomalies near 200 K are observed in the temperature-dependence dielectric constant and internal friction. We attribute this phenomenon to the ferroelectric ordering in the Cu-O chains. Doping of tin to the well-ordered Cu-O chains modifies the ferroelectric transition temperature. We analyse the relations between this ferroelectric phase in Cu-O chains and the charge strip phase in the CuO2plane.

AB - Tin-doped YBa2Cu3O7-ysuperconductors are characterized by dielectric constant, Mossbauer spectrum and acoustic internal friction measurements. The Mossbauer spectrum shows that tin goes mainly to the Cu(1) position. The structural and ferroelectric anomalies near 200 K are observed in the temperature-dependence dielectric constant and internal friction. We attribute this phenomenon to the ferroelectric ordering in the Cu-O chains. Doping of tin to the well-ordered Cu-O chains modifies the ferroelectric transition temperature. We analyse the relations between this ferroelectric phase in Cu-O chains and the charge strip phase in the CuO2plane.

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DO - 10.1088/0953-2048/15/10/306

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EP - 1403

JO - Superconductor Science and Technology

JF - Superconductor Science and Technology

IS - 10

ER -

The effect of tin substitution on ferroelectric ordering of Cu-O chains in YBCO oxides

Abstract

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