Eremina R.; Eremin M.; Gafurov M.; Ivanshin V.; Kurkin I.; Kurzin S.; Keller H.; Gutmann M.
(2000)
A systematic investigation of the EPR line with g ≈ 4.2 in YBa2Cu3O6+y has been carried out. From the temperature dependence of the line integrated intensity we have deduced that the line is due to paramagnetic centers ...