Title

Caya104: New Low-Loss Substrate Material For Epitaxial Growth Of Superconducting Thin Films

Keywords

CaYAI04; Interdiffusion; Laser ablation; Low-loss substrate; Microwave property; TI2Ba2CaCu208; YBa2Cu307_j

Abstract

A twin-free substrate material, CaYA104, was synthesized and used for the epitaxial growth of single crystal YBa2Cu307_j and Tl2Ba2CaCu208 thin films for the first time. The lattice parameters of ttus new substrate are a = b = 3.648Â and c=11.89Â. The dielectric properties, similar to those of LaA103, are 20(dielectric constant) and 4 x 10-5 (loss tangent) at 5 GHz and 77 K. Initial attempts at film growth on this substrate indicate degradation of both superconducting and microwave properties possibly due to interdiffusion. © 1991, IOP Publishing Ltd.

Publication Date

1-1-1991

Publication Title

Japanese Journal of Applied Physics

Volume

30

Issue

12B

Number of Pages

L2116-L2119

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1143/JJAP.30.L2116

Socpus ID

4243473476 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/4243473476

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