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Electron Transport in Strontium Iridate Thin Films and Superconducting Heterostructures
Russian version
Kislinskii Yu V 1, Moskal I E1, Baydikova V A1,2, Constantinian K Y1, Dubitskiy N V1,3, Petrzhik A M1, Ulev G D1,3, Shadrin A V1,4, Shmakov V A1, Ovsyannikov G A1
1Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow, Russia
2MIREA - Russian Technological University, Moscow, Russia
3National Research University Higher School of Economics, Moscow, Russia
4Moscow Institute of Physics and Technology, Dolgoprudny, Moscow oblast, Russia
Email: yulii@hitech.cplire.ru
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Thin films of strontium iridate that have a feature of strong spin-orbit coupling were made. They were deposited by three technological procedures which are direct current sputtering, pulsed voltage source sputtering, laser ablation. By electrical resistivity versus temperature dependencies the mechanisms of charge carrier transport were determined for the films. A superconducting current transport models for junctions which based on cuprate YBa2Cu3O7-x and niobium which are separated by strontium iridate barriers were proposed. Keywords: strontium iridate, hopping conductivity, spin-orbit coupling, electron-electron interaction, Josephson effect.
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