Abstract
A temperature dependent x-ray magnetic circular dichroism (XMCD) study at the Fe L2,3 and Nd M4,5 edges through the spin reorientation transition of a Nd2Fe14B single crystal is presented. Direct comparison of XMCD data with values of the magnetic moments derived from Mössbauer spectroscopy allows one to independently determine the evolution of the titling angle between Fe and Nd moments and the c axis. The experimental results evidence a strong noncollinearity between Fe and Nd magnetic moments in the low-temperature phase. A new result is the observed delay in the reorientation of the Fe sublattice with respect to that of the Nd sublattice by around 10 K.
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