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|Title:||The Magnetic Structure of NpPd2Al3 : Relevance to the Co-Existence of Superconductivity and Magnetism in UPd2Al3|
|Authors:||HIESS Arno; BOURDAROT F.; BURLET P.; RESSOUCHE E.; SANCHEZ J.p.; WASTIN Franck henri; REBIZANT Jean; SUARD E.; LANDER Gerard heath|
|Citation:||Physical Review B (Rapid Communications) vol. 55 no. 2 p. 1138-1141|
|Type:||Articles in periodicals and books|
|Abstract:||We report neutron diffraction experiments to determine the low-temperature magnetic structure of NpPd2Al3, the isostructural Np analog of the heavy-fermion superconductor UPd2Al3. The system orders initially at about 40K with an incommensurate magnetic propagation vector q = (1/3, 1/3, 0.36). Below 25K the intensity of this phase is reduced and a new commensurate magnetic phase with q = (1/3, 1/3, 1/2) is observed as the dominant phase. the fact that we observe two magnetic phases in this system may have relevance to understanding the ground state in UPd2Al3.|
|JRC Directorate:||Nuclear Safety and Security|
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