Direct observation of nanometer-scale pinning sites in (Nd$_{0.33}$ Eu$_{0.20}$ Gd$_{0.47}$ )Ba$_{2}$ Cu$_{3}$ O$_{7-\delta}$ single crystals
Publisher: Edp Sciences
E-ISSN: 1286-4854|83|3|37005-37005
ISSN: 0295-5075
Source: EPL (EUROPHYSICS LETTERS), Vol.83, Iss.3, 2008-08, pp. : 37005-37005
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