Modification of YBa2Cu3O7–δ thin films by ion implantation


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Abstract

The formation of a topological structure in thin films of the high-temperature superconductor YBa2Cu3O7–δ (YBCO) using ion implantation is studied. The crystal structure and electrical properties of the initial film and the formed insulating regions are investigated. The critical temperature and critical current are measured for microbridges with a width of 3–50 μm fabricated by ion implantation. The results indicate the effectiveness of the ion-implantation method for manufacturing topological structures in YBCO films.

About the authors

V. K. Vasiliev

Lobachevsky State University

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950

D. S. Korolev

Lobachevsky State University

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950

S. A. Korolev

Institute for Physics of Microstructures

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950

D. V. Masterov

Institute for Physics of Microstructures

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950

A. N. Mikhaylov

Lobachevsky State University

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950

A. I. Okhapkin

Institute for Physics of Microstructures; Lobachevsky State University

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

S. A. Pavlov

Institute for Physics of Microstructures

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950

A. E. Parafin

Institute for Physics of Microstructures; Lobachevsky State University

Author for correspondence.
Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

P. A. Yunin

Institute for Physics of Microstructures; Lobachevsky State University

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

E. V. Skorokhodov

Institute for Physics of Microstructures; Lobachevsky State University

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950; Nizhny Novgorod, 603950

D. I. Tetelbaum

Lobachevsky State University

Email: parafin@ipmras.ru
Russian Federation, Nizhny Novgorod, 603950

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