000857573 001__ 857573 000857573 005__ 20250129094334.0 000857573 0247_ $$2doi$$a10.3390/inorganics6040113 000857573 0247_ $$2Handle$$a2128/20134 000857573 0247_ $$2WOS$$aWOS:000455070500013 000857573 0247_ $$2altmetric$$aaltmetric:50100715 000857573 037__ $$aFZJ-2018-06558 000857573 082__ $$a540 000857573 1001_ $$0P:(DE-HGF)0$$aWilden, Johanna$$b0 000857573 245__ $$aMagnetic Transitions in the Co-Modified Mn2Sb System 000857573 260__ $$aBasel$$bMDPI$$c2018 000857573 3367_ $$2DRIVER$$aarticle 000857573 3367_ $$2DataCite$$aOutput Types/Journal article 000857573 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1542797118_6274 000857573 3367_ $$2BibTeX$$aARTICLE 000857573 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000857573 3367_ $$00$$2EndNote$$aJournal Article 000857573 520__ $$aMn2Sb is ferrimagnetic below its Curie temperature (TC) and passes through a spin flip transition with decreasing temperature. The Co substitution induces an additional first-order phase transition from the ferrimagnetic (FRI) to an antiferromagnetic (AFM) state. This phase transition is connected to a sizable magnetocaloric effect (MCE). To understand the underlying mechanisms, the temperature dependence of structural and magnetic changes was analyzed. At the same time, the influence of the Co substitution was explored. Three Mn2−xCoxSb (x = 0.1, 0.15, 0.2) compounds were synthesized by cold crucible induction melting. Neutron powder diffraction was performed to determine the magnetic structures and to obtain the individual magnetic moments on both symmetrically independent Mn sites. In combination with the temperature-dependent magnetization measurements, the magnetic phase transition temperatures were identified. In the low-temperature range, additional antiferromagnetic peaks were detected, which could be indexed with a propagation vector of (0 0 ½). In Mn1.9Co0.1Sb at 50 K and in Mn1.8Co0.2Sb at 200 K, a co-existence of the FRI and the AFM state was observed. 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