Ovsyannikov, G. A. ; Borisenko, I. V. ; Komissinskiĭ, P. V. ; Kislinskiĭ, Yu. V. ; Zaĭtsev, A. V. (2006)
Anomalous proximity effect in superconducting oxide structures with an antiferromagnetic layer.
In: JETP Letters, 84 (5)
doi: 10.1134/S0021364006170073
Article, Bibliographie
Abstract
The electrophysical parameters of superconductor/antiferromagnetic insulator structures based on the Nb/Au/Ca1−x Sr x CuO2/YBa2Cu3O7−δ hybrid heterostructure have been examined. YBa2Cu3O7−δ and Ca1−x Sr x SuO2 epitaxial films are grown by the laser ablation method on NdGaO3 single crystal substrates, the thickness of the Ca1−x Sr x CuO2 layer varies from 20 to 50 nm, and x = 0.15 and 0.5. The superconducting pair potential in the interface between the YBa2Cu3O7−δ superconductor and Ca1−x Sr x CuO2 antiferromagnet is found to penetrate into the antiferromagnet at distances much larger than the coherence length calculated for the ferromagnetic layer. The critical current of the superconducting transition manufactured at such an interface is highly sensitive to the magnetic field.
| Item Type: | Article |
|---|---|
| Erschienen: | 2006 |
| Creators: | Ovsyannikov, G. A. ; Borisenko, I. V. ; Komissinskiĭ, P. V. ; Kislinskiĭ, Yu. V. ; Zaĭtsev, A. V. |
| Type of entry: | Bibliographie |
| Title: | Anomalous proximity effect in superconducting oxide structures with an antiferromagnetic layer |
| Language: | English |
| Date: | 21 July 2006 |
| Publisher: | Springer |
| Journal or Publication Title: | JETP Letters |
| Volume of the journal: | 84 |
| Issue Number: | 5 |
| DOI: | 10.1134/S0021364006170073 |
| Abstract: | The electrophysical parameters of superconductor/antiferromagnetic insulator structures based on the Nb/Au/Ca1−x Sr x CuO2/YBa2Cu3O7−δ hybrid heterostructure have been examined. YBa2Cu3O7−δ and Ca1−x Sr x SuO2 epitaxial films are grown by the laser ablation method on NdGaO3 single crystal substrates, the thickness of the Ca1−x Sr x CuO2 layer varies from 20 to 50 nm, and x = 0.15 and 0.5. The superconducting pair potential in the interface between the YBa2Cu3O7−δ superconductor and Ca1−x Sr x CuO2 antiferromagnet is found to penetrate into the antiferromagnet at distances much larger than the coherence length calculated for the ferromagnetic layer. The critical current of the superconducting transition manufactured at such an interface is highly sensitive to the magnetic field. |
| Divisions: | 11 Department of Materials and Earth Sciences > Material Science > Advanced Thin Film Technology 11 Department of Materials and Earth Sciences > Material Science 11 Department of Materials and Earth Sciences |
| Date Deposited: | 29 Mar 2012 08:27 |
| Last Modified: | 05 Mar 2013 09:59 |
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