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Ferrimagnetism in Mn 1− x Al 1− y Cu x + y alloys in the cubic κ (B2) phase
Author(s) -
Paduani C.,
Schaf J.,
Ardisson J. D.,
Krause J. C.
Publication year - 2010
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200945532
Subject(s) - ferrimagnetism , ferromagnetism , condensed matter physics , curie temperature , materials science , magnetization , phase (matter) , spin glass , cluster (spacecraft) , diffraction , chemistry , physics , magnetic field , optics , organic chemistry , quantum mechanics , computer science , programming language
In this study we report results of X‐ray diffraction and dc magnetization measurements in Mn 1− x Al 1− y Cu x + y alloys in the κ phase which has a B2 (CsCl‐type) structure. Increasing Cu doping not only weakens the ferromagnetic order and strongly affects Curie temperature ( T C ) but also imposes a competition mechanism between ferromagnetic and ferrimagnetic spin correlations which induces the appearance of cluster spin‐glasslike phase at low temperatures.