Nanotwin networks connecting columnar defects in YBa2Cu3O7-δand implications for magnetic vortex interactions

Y. Yan; M. A. Kirk

doi:10.1080/095008399176670

Nanotwin networks connecting columnar defects in YBa₂Cu₃O_7-δand implications for magnetic vortex interactions

Y. Yan, M. A. Kirk

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

2 Scopus citations

Abstract

A unique structure, a network of nanotwins, is revealed for the first time in high-energy ion-irradiated YBa₂Cu₃O_7-δThis structure is shown to form only at ion doses of 10¹¹cm^-2or greater and thus is not revealed in any earlier electron microscopy studies. In this higher-dose regime, the well known columnar defects are connected by the nanotwin structure, thus affecting bulk superconducting properties. Consequences for a number of published interpretations of such measurements related to pinning and dynamics of magnetic vortices are discussed.

Original language	English
Pages (from-to)	841-848
Number of pages	8
Journal	Philosophical Magazine Letters
Volume	79
Issue number	10
DOIs	https://doi.org/10.1080/095008399176670
State	Published - Oct 1 1999
Externally published	Yes

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title = "Nanotwin networks connecting columnar defects in YBa2Cu3O7-δand implications for magnetic vortex interactions",

abstract = "A unique structure, a network of nanotwins, is revealed for the first time in high-energy ion-irradiated YBa2Cu3O7-δThis structure is shown to form only at ion doses of 1011cm-2or greater and thus is not revealed in any earlier electron microscopy studies. In this higher-dose regime, the well known columnar defects are connected by the nanotwin structure, thus affecting bulk superconducting properties. Consequences for a number of published interpretations of such measurements related to pinning and dynamics of magnetic vortices are discussed.",

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N2 - A unique structure, a network of nanotwins, is revealed for the first time in high-energy ion-irradiated YBa2Cu3O7-δThis structure is shown to form only at ion doses of 1011cm-2or greater and thus is not revealed in any earlier electron microscopy studies. In this higher-dose regime, the well known columnar defects are connected by the nanotwin structure, thus affecting bulk superconducting properties. Consequences for a number of published interpretations of such measurements related to pinning and dynamics of magnetic vortices are discussed.

AB - A unique structure, a network of nanotwins, is revealed for the first time in high-energy ion-irradiated YBa2Cu3O7-δThis structure is shown to form only at ion doses of 1011cm-2or greater and thus is not revealed in any earlier electron microscopy studies. In this higher-dose regime, the well known columnar defects are connected by the nanotwin structure, thus affecting bulk superconducting properties. Consequences for a number of published interpretations of such measurements related to pinning and dynamics of magnetic vortices are discussed.

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Nanotwin networks connecting columnar defects in YBa₂Cu₃O_7-δand implications for magnetic vortex interactions

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