A Amamou et al 1975 J. Phys. F: Met. Phys. 5 1342 doi:10.1088/0305-4608/5/7/014
A Amamou, F Gautier and B Loegel
Show affiliationsThe authors present a systematic study of the magnetic transition from the paramagnetic to the ferromagnetic state in some nickel concentrated alloys NicT1-c (T=V, Cr, Mo, Ru, Cu). The magnetic measurements between 4K and 300K show that this transition occurs from the coupling between giant moments whose concentration increases when the nickel concentration increases up to the critical concentration ccr; their magnitude is the largest critical composition. A detailed study of NiV, NiMo and NiCu alloys shows that the magnetization results from giant moments whose magnitude increases when c to ccr and from nearly magnetic impurities in the vicinity of these moments. The existence of this nearly magnetic term is consistent with the temperature dependence of the resistivity in all the investigated alloys and with the magnetoresistance measurements in NiT alloys (T=V, Mo, Cu).
75.30.Kz Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
72.15.-v Electronic conduction in metals and alloys
75.60.Ej Magnetization curves, hysteresis, Barkhausen and related effects
75.47.De Giant magnetoresistance
75.40.-s Critical-point effects, specific heats, short-range order
Issue 7 (July 1975)
A Amamou et al 1975 J. Phys. F: Met. Phys. 5 1342
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