Strong decoupling between magnetic subsystems in the low-dimensional spin-1/2 antiferromagnet SeCuO3 (CROSBI ID 259928)
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Podaci o odgovornosti
Novosel, Nikolina ; Lafargue-Dit-Hauret, William ; Rapljenović, Željko ; Dragičević, Martina ; Berger, Helmuth ; Cinčić, Dominik ; Rocquefelte, Xavier ; Herak, Mirta
engleski
Strong decoupling between magnetic subsystems in the low-dimensional spin-1/2 antiferromagnet SeCuO3
The search for and understanding of low-dimensional magnetic materials is essential for both fundamental and technological purposes. Here we propose a combined experimental and theoretical investigation of such a system, namely the monoclinic phase of SeCuO3. This low-dimensional spin-1/2 antiferromagnet appears to be based on two decoupled magnetic subsystems which respond differently to applied magnetic field in the antiferromagnetic phase. From our results we are able to propose a zero-field magnetic structure as well as a more exotic finite magnetic field structure, to be tested by future experiments. This finding is based on torque magnetometry measurements on the one side, and the use of a refined phenomenological model and state-of-the-art density functional theory calculations on the other. The existence of such systems opens a way to very exciting physics with the possibility to control separately two magnetic subsystems in one material.
Magnetic anisotropy ; low-dimensional spin systems
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Podaci o izdanju
99 (1)
2019.
014434-1-014434-13
objavljeno
2469-9950
2469-9969
10.1103/PhysRevB.99.014434