Magnetic Phase Diagram of (Ni 1− x  Mg  x  )O Solid Solutions | Zendy

Menshikov A. Z. | Zendy; Dorofeev Yu. A. | Zendy; Klimenko A. G. | Zendy; Mironova N. A. | Zendy

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Magnetic Phase Diagram of (Ni 1− x Mg x )O Solid Solutions

Author(s) -

Menshikov A. Z.,

Dorofeev Yu. A.,

Klimenko A. G.,

Mironova N. A.

Publication year - 1991

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.2221640130

Subject(s) - diamagnetism , antiferromagnetism , paramagnetism , condensed matter physics , phase diagram , magnetic moment , spin glass , solid solution , neutron scattering , physics , phase (matter) , scattering , chemistry , materials science , magnetic field , organic chemistry , quantum mechanics , optics

A magnetic phase diagram of the (Ni 1− x Mg x )O solid solutions is drawn by the results of elastic magnetic neutron scattering and magnetic measurements. The ranges of homogeneous antiferromagnetism (0 ≦ x ≦0.37), tricritical behaviour or frustrated antiferromagnetism (0.37 < x ≦ 0.6), cluster spin glass (0.6 < x ≦ 0.75) and paramagnetic behaviour of the Ni 2+ spin moments in the ground state ( x ≧ 0.8) are determined. It is shown that diamagnetic Mg 2+ ions serve as a source of a random field inducing an extra diamagnetic moment of value 0.35μ B .

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