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Mössbauer spectroscopy of NpPd2Al3

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Citation

Zwirner, S., Spirlet, J. C., Rebizant, J., Potzel, W., Kalvius, G. M., Geibel, C., et al. (1993). Mössbauer spectroscopy of NpPd2Al3. Physica B-Condensed Matter, 186-88, 681-683. doi:10.1016/0921-4526(93)90672-S.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-DC74-0
Abstract
Using Np-237 Mossbauer spectroscopy [1) on NpPd2Al3 a second-order magnetic transition was found at 38K. At low temperatures the hyperfine spectrum consists of an overlay of three magnetic patterns indicating a (squared) modulated structure, The ordered moment on Np is 1.67 muB. A tetravalent charge state for Np is deduced. Our results are compared with data on the heavy-fermion compound UPd2Al3.