Microscopic Coexistence of Antiferromagnetic and Spin-Glass States
Chillal, S. · Thede, M. · Litterst, F. J. · Gvasaliya, S. N. · Shaplygina, T. A. · Lushnikov, S. G. · Zheludev, A.
Original · EN
The disordered antiferromagnet () is investigated in a wide temperature range by combining Mössbauer spectroscopy and neutron diffraction experiments. It is demonstrated that the magnetic ground state is a microscopic coexistence of antiferromagnetic and a spin-glass orders. This speromagnet-like phase features frozen-in short-range fluctuations of the Fe³⁺ magnetic moments that are transverse to the long-range ordered antiferromagnetic spin component.
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