Macrostructure of high-temperature superconducting YBaCuO thin films grown by laser ablation

Strained YBa2Cu3O7−δ (YBCO) films of greater than the critical thickness are grown on LaAlO3 (100) substrates by the method of laser ablation. The strains are frozen in the films by rapid cooling after deposition. These films have an unusual temperature dependence of the critical current density: a characteristic minimum is observed in the temperature interval 55–57 K. The critical current density decreases from 106A∕cm2 at 77 K to 104A∕cm2 and lower. The films are stable against thermocycling from 300 K to the boiling point of liquid nitrogen. It is concluded on the basis of a scanning tunneling microscope study that a macroscopic structuring of the films occurs, with the formation of strain domains. The size of the domains decreases with increasing degree of strain of the films and is, on average, from 1 to 2.4μm. The penetration of magnetic field into a film with frozen strain differs from the penetration into single-crystal and granular films; this also suggests a macroscopic structuring in the strained films.

show abstract

Thin films of high-Tc YBCO with frozen strains

Yugay

Muravjev

Seropyan

et al. 2006

Low Temperature Physics

View full text Add to dashboard Cite

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Macrostructure of high-temperature superconducting YBaCuO thin films grown by laser ablation

Cited by 1 publication

References 6 publications

Thin films of high-Tc YBCO with frozen strains

Thin films of high-Tc YBCO with frozen strains

Contact Info

Product

Resources

About