EPR study of superconductors
arXiv:1410.3256 · doi:10.1007/s10909-014-1252-z
Abstract
Historical review on the studies of the electron paramagnetic resonance in superconductors performed in the period from 1970 to 1990 at the Kazan Physical Technical Institute of the Russian Academy of Sciences (group of Dr. E. G. Kharakhash'yan) in collaboration with Kazan State University (group of Prof. B. I. Kochelaev) and with the Institute for Physical Problems of Russian Academy of Sciences (group of Prof. N. E. Alekseevskii) is presented. We have observed for first time electron paramagnetic resonance of impurities in a type II superconductor; found indication for a long-range exchange interaction between magnetic impurities arising due to the superconducting correlations; observed the magnetic ordering of impurities in the superconducting state; and, finally, we found one of the first evidences for heterogeneity of the 1:2:3 high- superconductor which is its natural property
References in corpus (7)
- Complexity in Strongly Correlated Electronic Systems
- Anisotropy of superconducting MgB2 as seen in electron spin resonance and magnetization data
- Experimental Observation of the Inverse Proximity Effect in Superconductor/Ferromagnet Layered Structures
- Slow antiferromagnetic dynamics in the low temperature tetragonal phase of La_{2-x}Sr_xCuO_4 as revealed by ESR of Gd spin probes
- Magnetic fluctuations and superconductivity in Fe pnictides probed by electron spin resonance
- Electron spin resonance in Eu based Fe pnictides
- Magnetic Field Induced Low-Energy Spin Excitations in YBa2Cu4O8 Measured by High Field Gd3+ ESR