@article {Likodimos19957682,
	title = {EPR study of localized Cu2+ paramagnetic ions and Cu2+ pairs in the oxygen-deficient PrBa2Cu3O6+x and Pr0.5R0.5Ba2Cu3O6+x (R=Y,Er) compounds},
	journal = {Physical Review B},
	volume = {52},
	number = {10},
	year = {1995},
	note = {cited By 18},
	pages = {7682-7688},
	abstract = {Low-temperature EPR measurements are presented for the PrBa2Cu3O6+x and Pr0.5R0.5Ba2Cu3O6+x (R=Y,Er) compounds with oxygen deficiency (tetragonal phase). The nuclear hyperfine interaction of the Cu2+ ions has been observed in both compounds. The origin of the Cu2+ EPR spectra has been associated with localized divalent copper ions in the Cu(1) sites. A time-induced transformation of the Cu2+ local crystal-field symmetry from orthorhombic to tetragonal, related to the oxygen distribution in the Cu(1) plane, has been detected. The EPR spectra of pairs of weakly exchange-coupled divalent copper ions were also observed. These copper pairs are suggested to occur in the Cu(1) planes and to be magnetically isolated from the antiferromagnetic CuO2 planes. {\textcopyright} 1995 The American Physical Society.},
	doi = {10.1103/PhysRevB.52.7682},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-0342698280\&doi=10.1103\%2fPhysRevB.52.7682\&partnerID=40\&md5=c99ef95655ceeffa580f2c9346841f58},
	author = {V. Likodimos and Guskos, N. and Palios, G. and Koufoudakis, A. and Typek, J. and Bojanowski, B. and Wabia, M.}
}
