Magnetic Phase Diagram of Solid Solutions in the CoCr2S4–Cu0.5Ga0.5Cr2S4 System


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Abstract

The magnetic phase diagram of solid solutions in the CoCr2S4–Cu0.5Ga0.5Cr2S4 system was constructed. The widest concentration range (0.38 < x < 1) in the diagram represents solid solutions based on the ferrimagnetic semiconductor CoCr2S4 (TC = 223 K), which exhibits unusual properties in the magnetic ordering region while measuring the temperature dependence of the dynamic susceptibility. The magnetic properties were studied with a Quantum Design PPMS-9 platform within the temperature range 5–300 K in a 100-Oe constant magnetic field and/or a varying (100-, 500-, and 1000-Hz) magnetic field with an amplitude of 1 Oe.

About the authors

T. G. Aminov

Kurnakov Institute of General and Inorganic Chemistry

Author for correspondence.
Email: aminov@igic.ras.ru
Russian Federation, Moscow, 119991

E. V. Busheva

Kurnakov Institute of General and Inorganic Chemistry

Email: aminov@igic.ras.ru
Russian Federation, Moscow, 119991

G. G. Shabunina

Kurnakov Institute of General and Inorganic Chemistry

Email: aminov@igic.ras.ru
Russian Federation, Moscow, 119991

V. M. Novotortsev

Kurnakov Institute of General and Inorganic Chemistry

Email: aminov@igic.ras.ru
Russian Federation, Moscow, 119991

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