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Title: High/low-moment phase transition in hexagonal Mn-Fe-P-Si compounds
Authors: Dung, NH
Zhang, L
Ou, ZQ
Zhao, L
van Eijck, L
Mulders, AM
Avdeev, M
Suard, E
van Dijk, NH
Brück, E
Keywords: Magnetism
Temperature range 0400-1000 K
Neutron diffraction
Issue Date: 30-Jul-2012
Publisher: American Physical Society
Citation: Dung, N. H., Zhang, L., Ou, Z. Q., Zhao, L., van Eijck, L., Mulders, A. M, Avdeev, M., Suard, E., van Dijk, N. H., & Brück, E. (2012). High/low-moment phase transition in hexagonal Mn-Fe-P-Si compounds. Physical Review B, 86(4), Article Number 045134. doi:10.1103/PhysRevB.86.045134
Abstract: Using high-resolution neutron diffraction measurements for Mn-rich hexagonal Mn-Fe-P-Si compounds, we show that the substitution of Mn for Fe on the 3f sites results in a linear decrease of the Fe/Mn(3f) magnetic moments, while the Mn(3g) magnetic moments remain constant. With increasing temperature, the Mn(3g) magnetic moments show almost no change, while the Fe/Mn(3f) moments decrease quickly when the transition temperature is approached. The reduction of the magnetic moments at the transition temperature and in the high-temperature range is discussed based on changes in interatomic distances and lattice parameters and high-temperature magnetic-susceptibility measurement. © 2012, American Physical Society.
Gov't Doc #: 4610
ISSN: 1098-0121
Appears in Collections:Journal Articles

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