An Endohedral Single-Molecule Magnet with Long Relaxation Times: DySc_{2}N@C_{80}

The magnetism of DySc2N@C80 endofullerene was studied with X-ray magnetic circular dichroism (XMCD) and a magnetometer with a superconducting quantum interference device (SQUID) down to temperatures of 2 K and in fields up to 7 T. XMCD shows hysteresis of the 4f spin and orbital moment in DyIII ions. SQUID magnetometry indicates hysteresis below 6 K, while thermal and nonthermal relaxation is observed. Dilution of DySc2N@C80 samples with C60 increases the zero-field 4f electron relaxation time at 2 K to several hours.


Published in:
Journal of the American Chemical Society, 134, 24, 9840
Year:
2012
ISSN:
1520-5126
Keywords:
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 Record created 2012-06-20, last modified 2018-03-17

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