Specific Features of the Nonlinear Microwave Response of the (Na{sub 0.3}K{sub 0.7}){sub x}Fe{sub 2 –} {sub y}Se{sub 2} Sodium–Potassium Ferroselenide-Based Multiband Superconductors
Journal Article
·
· Physics of the Solid State
- Institute for Physics of Microstructures, Russian Academy of Sciences (Russian Federation)
- Moscow State University (Russian Federation)
Abstract—Temperature dependences of the third-harmonic power for the (Na{sub 0.3}K{sub 0.7}){sub x}Fe{sub 2 –} {sub y}Se{sub 2} sodium–potassium ferroselenide single crystals have been investigated by nonlinear near-field microwave microscopy. The temperature dependence of magnetic susceptibility at a frequency of 100 kHz for this compound has been measured. The experimental results suggest a double-gap structure of the (Na{sub 0.3}K{sub 0.7}){sub x}Fe{sub 2 –} {sub y}Se{sub 2} superconductor.
- OSTI ID:
- 22770930
- Journal Information:
- Physics of the Solid State, Vol. 60, Issue 11; Other Information: Copyright (c) 2018 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7834
- Country of Publication:
- United States
- Language:
- English
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