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20022008
most citedAnisotropy of superconducting single crystal SmFeAsO_(0.8)F_(0.2) studied by torque magnetometry

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cond-mat.supr-con2005

Anisotropy of the antiferromagnetic spin correlations in the superconducting state of YBa_2Cu_3O_7 and YBa_2Cu_4O_8

A. Uldry, M. Mali, J. Roos +1

We present evidence that the antiferromagnetic spin correlations in optimally doped YBa_2Cu_3O_7 and underdoped YBa_2Cu_4O_8 develop a surprisingly strong anisotropy in the superco…