Growth and Characterization of YBa_2Cu_3O_{7-δ} Films Deposited by Laser Ablation on CeO_2-Buffered Sapphire

• Authors: I. Abal'osheva , I. Zaytseva , M. Aleszkiewicz , A. Malinowski , V. Bezusyy , Y. Syryanyy , P. Gierłowski , O. Abal'oshev , M. Kończykowski , M. Cieplak
• Languages of publication: EN

Abstracts

EN

In this work we study the growth, by pulsed laser deposition, of YBa_2Cu_3O_{7-δ} (YBCO) films on the CeO_2-buffered R-cut sapphire substrates, with the buffer layer recrystallized prior to the deposition of superconductor. We find that the superconducting critical temperature and the critical current density of the films are very close to similar parameters for the YBCO films grown on lattice-matched single crystalline substrates. It appears that the structural defects in the buffer layer affect the microstructure of YBCO films, resulting in high values of the critical current density, suitable for applications.

Keywords

EN

74.78.-w; 77.55.Px; 81.15.Fg

Discipline

• 74.78.-w: Superconducting films and low-dimensional structures
• 77.55.Px: Epitaxial and superlattice films
• 81.15.Fg: Pulsed laser ablation deposition

• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 4a
• Pages: A-69-A-73

Dates

published

2014-10

Contributors

author

I. Abal'osheva

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

I. Zaytseva

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

M. Aleszkiewicz

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

A. Malinowski

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

V. Bezusyy

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

Y. Syryanyy

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

P. Gierłowski

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

O. Abal'oshev

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

M. Kończykowski

• Laboratoire des Solides Irradies CEA/DSM/IRAMIS &CNRS UMR7642, Ecole Polytechnique, 91128 Palaiseau, France

author

M. Cieplak

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

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Identifiers

DOI

10.12693/APhysPolA.126.A-69