Complex magnetic properties of Mn3Ni20P6 and ferromagnetic structure of the new isostructural compound Mn3Pd20P6

Eriksson, Therése; Vennström, Marie; Ronneteg, Sabina; Andersson, Yvonne; Nordblad, Per

doi:10.1016/j.jmmm.2006.05.016

Cited by 10 publications

(8 citation statements)

References 25 publications

(29 reference statements)

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“…The coupling between the type of magnetic ordering (FM or AFM) and Mn-Mn distance was also discussed for other Mn-based compounds in the past (e.g., in Ref. [19]). The shorter Mn-Mn distances result in an AFM coupling in the Mn 3 Ni 20 P 6 compound, while the isostructural compound Mn 3 Pd 20 P 6 shows ferromagnetism due to the larger Mn-Mn separation.…”

Section: Introductionmentioning

confidence: 99%

Origin of the magnetostructural coupling inFeMnP0.75Si0.25

et al. 2014

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The strong coupling between the crystal structure and magnetic state (ferromagnetic or helical antiferromagnetic) of FeMnP 0.75 Si 0.25 is investigated using density functional theory in combination with atomistic spin dynamics. We find many competing energy minima for drastically different ferromagnetic and noncollinear magnetic configurations. We also find that the appearance of a helical spin-spiral magnetic structure at finite temperature is strongly related to one of the crystal structures reported for this material. Shorter Fe-Fe distances are found to lead to a destabilized ferromagnetic coupling, while out-of-plane Mn-Mn exchange interactions become negative with the shortening of the interatomic distances along the c axis, implying an antiferromagnetic coupling for the nearest-neighbor Mn-Mn interactions. The impact of the local dynamical correlations is also discussed.

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Section: Introductionmentioning

confidence: 99%

Origin of the magnetostructural coupling inFeMnP0.75Si0.25

et al. 2014

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“…Mn 3d orbitals provide a much higher number of states in the vicinity of the Fermi level as compared to Mg, which is expected to drastically affect the properties of M3Ni20P6. Indeed, the electronic instability for the Mn compound is removed by shifting spin-up and spin-down bands due to magnetic ordering at 230 K. [97,98] This example illustrates a high degree of the variability of electronic structure and corresponding properties for isostructural Mg/Mn compounds. The potential for such substitutions is underexplored in materials chemistry, but a few successful examples are discussed in the next section.…”

Section: Mg 3 Ni 20 P 6 and Analogues Belonging To The Cr 23 C 6 Structure Typementioning

confidence: 96%

Chemical Flexibility of Mg in Pnictide Materials: Structure and Properties Diversity

et al. 2019

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Magnesium, element no. 12 on the periodic table, is the second member of the alkaline-earth metal family. Often, Mg is considered as an electropositive metal like its heavier congeners, Ca, Sr, and Ba. In this review, another important aspect of Mg chemistry, namely, the ability to form covalent bonds to more electronegative elements, is considered with a focus on pnictides. Magnesium's flexible coordination numbers and bond distances are similar to those of main group elements (Al) or late-and post-transition metals (Mn, Cu, Zn, Cd). In this work, selected Mg-pnictides are discussed to emphasize the chemical and structural diversity of Mg which results in a variety of physical properties. Thermoelectric, Mg-ion battery, and nonlinear optical applications of select Mg-containing compounds are summarized, providing examples on the exploitation of Mg chemical bonding flexibility for the design of novel functional materials.

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“…Mn-based ferromagnets attract considerable attention because the Mn atom exhibits the highest ordered moment value [1,2,3,4]. Room-temperature Mn-based ferromagnets are particularly important for practical applications.…”

Section: Introductionmentioning

confidence: 99%

New room-temperature ferromagnet: B-added Pd0.75Mn0.25 alloy

Kitagawa

Sakaguchi

2018

Journal of Magnetism and Magnetic Materials

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Mn-based room-temperature ferromagnets attract considerable attention due to their high ordered Mn moment. We have found that a Pd 0.75 Mn 0.25 alloy with added B (Pd 0.75 Mn 0.25 B x ) shows room-temperature soft ferromagnetism, whereas the parent Pd 0.75 Mn 0.25 alloy is a spin-glass system.The saturated Mn moment at room temperature systematically increases to 2.68µ B /Mn as x increases to 0.125. The maximum Curie temperature of 390 K is also realized at an x of 0.125. The experimental results suggest a tunable soft ferromagnetism, which is governed only by the boron concentration.Our results will pave the way in chemical control of room-temperature bulk ferromagnetism in Mn compounds based on the addition of an atom with a small atomic radius.

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Complex magnetic properties of Mn3Ni20P6 and ferromagnetic structure of the new isostructural compound Mn3Pd20P6

Cited by 10 publications

References 25 publications

Origin of the magnetostructural coupling inFeMnP0.75Si0.25

Origin of the magnetostructural coupling inFeMnP0.75Si0.25

Chemical Flexibility of Mg in Pnictide Materials: Structure and Properties Diversity

New room-temperature ferromagnet: B-added Pd0.75Mn0.25 alloy

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