The penetration depth λ of MgB2 was deduced from both the ac susceptibility χ and the magnetization M(H) of sorted powders. The good agreement between the two sets of data without geometric correction for the grain orientation suggests that MgB2 is an isotropic superconductor.
|頁（從 - 到）||1725011-1725014|
|期刊||Physical Review B - Condensed Matter and Materials Physics|
|出版狀態||Published - 2001 11月 1|
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