Nie, J.C. ; Sundaresan, A. ; Hirai, M. ; Ishiura, Y. ; Badica, P. ; Crisan, A. ; Ihara, H. (2002) Cum−1Bam(Sr,Ca)nCun+1O2m+2n+1 superlattice thin film by layer-by-layer growth techniques Physica C: Superconductivity, 378-38 . pp. 1278-1282. ISSN 0921-4534
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Official URL: http://doi.org/10.1016/S0921-4534(02)01690-8
Related URL: http://dx.doi.org/10.1016/S0921-4534(02)01690-8
Abstract
Thin films of Cum- 1Bam(Sr,Ca)nCun+1O2m+2n+1, i.e., [BaCuO2]m/[(Sr,Ca)CuO2]n superlattices have been grown by layer-by-layer growth method with rf magnetron sputtering on NdGaO3(110) substrate. Two targets with the compositions BaCuO2 and (Sr,Ca)CuO2, which form the charge reservoir and superconducting layers, respectively, were used. [BaCuO2]m/[(Sr,Ca)CuO2]n superlattice was grown at 460-520 /°C in a gas mixture of Ar and N2O by alternatively depositing the charge reservoir layer and superconducting layer. The superlattice modulation is close to that of high pressure synthesized bulk materials. By means of the layer-by-layer growth method, a system of Cu-based artificial lattice structures is formed. Electrical transport properties of these superlattices were also investigated.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 120160 |
| Deposited On: | 23 Jun 2021 08:10 |
| Last Modified: | 23 Jun 2021 08:10 |
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