Hechang Lei, Emil S. Bozin, A. Llobet, V. Ivanovski, V. Koteski, J. Belosevic Cavor, B. Cekic, C. Petrovic
We report the evolution of structural and magnetic properties in La2O3(Fe1-xMnx)2Se2. Heat capacity and bulk magnetization indicate an increased ferromagnetic component of the long-range magnetic order and possible increased degree of frustration. Atomic disorder on Fe(Mn) sites suppresses the temperature of the long-range order whereas intermediate alloys show a rich magnetic phase diagram.
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http://arxiv.org/abs/1210.2711
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