The effect of magnetization anisotropy and paramagnetic susceptibility on the magnetization process

Bolyachkin, A.; Neznakhin, D. S.; Bartashevich, M.I.

doi:10.1063/1.4936604

Cited by 19 publications

(10 citation statements)

References 24 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Besides, the difference in magnetic behaviour along the two field directions can also possibly be associated with the presence of large magnetocrystalline anisotropy energy caused by the intrinsic strong spin-orbit coupling [28]. In general, the anisotropic behaviour in a magnetic material is believed to originate from the intrinsic atomic magnetic moments associated with magnetocrystalline anisotropy [31]. As a consequence of magnetocrystalline anisotropy, the anisotropy in magnetization is observed in our measurement data [32].…”

Section: Resultsmentioning

confidence: 77%

“…The plots of χ −1 vs. T above the magnetic transition T C exhibit a strong curvilinear behaviour in both directions. In addition, the distinct behaviour in inverse magnetic susceptibility data is observed along the two directions that is likely due to the strong magnetocrystalline anisotropy where χ −1 data along c-axis is four times larger than that in ab-plane [31,32]. An unusual divergence in the PM region from CW linear behaviour is observed above T C in the H c direction.…”

Section: Resultsmentioning

confidence: 86%

“…Similar results have also been observed previously in Co 3 Sn 2 S 2 where the presence of strong magnetic anisotropy was ascribed for this appreciable different behaviours at field parallel to c-axis and ab-plane [10,14]. Based on earlier discussions on two dimensional layered kagoome ferromagnets [25][26][27], the strong magnetic anisotropy in Co 3 Sn 2 S 2 is suggested to predominantly originate from the combined effects of various quantum phenomena such as strong spin-orbit coupling [28,29], crystal electric field [29], exchange couplings [30], and stripe-like features of ferromagnetic domains [31]. Besides, the difference in magnetic behaviour along the two field directions can also possibly be associated with the presence of large magnetocrystalline anisotropy energy caused by the intrinsic strong spin-orbit coupling [28].…”

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

Evidence of Ferromagnetic Clusters and Griffiths Singularity in Magnetic Weyl Semimetal Co$ _{3} $Sn$ _{2} $S$ _{2} $

Nagpal¹,

Chaudhary²,

Kumar³

et al. 2022

Preprint

View full text Add to dashboard Cite

Cobalt based sulphides of compositional formula Co3A2S2 (A = Sn and In) are endowed with frustrated kagome lattice structure and a plethora of novel phenomena determined from the topological band structure. Here-in, we report on the detailed exploration of anisotropic magnetic properties of single crystals of ferromagnetic compound Co3Sn2S2. A low temperature clustered-glassy magnetic behaviour is revealed in field-cooled and zero field-cooled magnetization and memory effect measurement protocols. The sharp downturn and non-linearity observed in the inverse susceptibility above the critical temperature TC in the paramagnetic region corroborates to the presence of short-range ferromagnetic clusters above TC in Co3Sn2S2. The deviation from linear Curie-Weiss behaviour in the paramagnetic state signifies the strong Griffiths singularity in the material. The slow spin dynamics behaviour and zero spontaneous magnetization above TC give an evidence of Griffiths phase owing to the ferromagnetic clusters. The magnetic hysteresis loops represent the magnetization reversal which, in turn, also indicate the short range magnetic correlations, and reflect the coexistence of hard and soft magnetic phases in Co3Sn2S2. The Arrott plots derived from magnetization reveal convex type curvature at low fields and linear positive behaviour in the high field region, confirming the second order magnetic phase transition in Co3Sn2S2. The Takahashi spin fluctuation theory analysis provides a sufficient evidence for itinerant ferromagnetism in Co3Sn2S2. A large magnetocrystalline anisotropy concomitant with a high anisotropy field suggests the dominance of strong spin orbit coupling phenomenon. Our experimental results emphasize an intuitive understanding of the complex nature of magnetism present in Co-based shandite systems.

show abstract

Section: Resultsmentioning

confidence: 77%

Section: Resultsmentioning

confidence: 86%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Evidence of Ferromagnetic Clusters and Griffiths Singularity in Magnetic Weyl Semimetal Co$ _{3} $Sn$ _{2} $S$ _{2} $

Nagpal¹,

Chaudhary²,

Kumar³

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

“…In such a case, the slope and intercept of an H/M vs M 2 plot will correspond to , respectively [21]. The applicability of the Sucksmith and Thompson method to various magneto-crystalline anisotropy scheme has been confirmed from modelling studies [22] and used in different materials with a combination of easy plane and hard c axis [23,24]. Beside systematic error, due to the significant relative error on magnetization, the differences between maxima and minima for the intercepts and slopes of H in /M vs (μ 0 M) 2 linear fits are large too, resulting in sizable uncertainties on K 1 and K 2 .…”

Section: Resultsmentioning

confidence: 90%

Magnetic properties, anisotropy parameters and magnetocaloric effect of flux grown MnFe4Si3 single crystal

Yibole¹,

Hanggai²,

Ou³

et al. 2020

Journal of Magnetism and Magnetic Materials

View full text Add to dashboard Cite

The transition-metal based alloy MnFe 4 Si 3 not only is a potential candidate for room temperature magnetocaloric applications, but also shows a large magnetic anisotropy forming an interesting case study in the search for rare-earth free permanent magnets. However, former polycrystalline and single crystal studies led to major disagreements about the order of the magnetic transition and the magnetocrystalline anisotropy scheme, which are two essential points for the understanding of this alloy. Here, magnetic, magnetocaloric properties and the magnetic anisotropy of MnFe 4 Si 3 (Mn~0 .86 Fe~4 .24 Si~2 .90) are investigated on a high quality single crystal grown by flux method, and compared to polycrystalline materials. Using the recently proposed criterion of field dependence of the magnetocaloric effect, we show that the ferromagnetic transition is more likely to be of second order, which is fully compatible with the absence of thermal hysteresis at the ferromagnetic transition in the present MnFe 4 Si 3 crystal. The c axis is confirmed to be the hard magnetic axis, both in single crystal and polycrystalline MnFe 4 Si 3 , and a large, dominant, K 1 anisotropy constant (~−2.5 MJ m −3) is found at low temperatures.

show abstract

“…This model yields a value of K u = 50 kJ/m 3 at 1.8 K. Similar anisotropy constants were obtained by fitting the data using the Sucksmith−Thompson method (see the Supporting Information). 66,67 To further assess the uniaxial character of the magnetic anisotropy in 2, we performed variable-temperature magnetization measurements to determine the temperature dependence of K u (Figure 4c). In the classical model developed by Zener, 68 the relationship between the anisotropy energy and the saturation magnetization can be described as:…”

Section: ■ Introductionmentioning

confidence: 99%

Strong Magnetocrystalline Anisotropy Arising from Metal–Ligand Covalency in a Metal–Organic Candidate for 2D Magnetic Order

et al. 2021

View full text Add to dashboard Cite

Layered metal–organic frameworks are promising candidates for new two-dimensional (2D) magnets, as the synthetic programmability of these materials can provide a route to diverse structural and electronic properties. However, such framework materials typically lack the heavy elements that engender magnetocrystalline anisotropy in the monolayer ferromagnets reported to date. Alternative sources of magnetic anisotropy are therefore needed in these materials. Here, we report the synthesis of single crystals of the framework material (NMe4)2[Fe2L3] (H2L = 3,6-dichloro-2,5-dihydroxybenzoquinone) and evaluate the angular dependence of its magnetic properties. Oriented-crystal magnetization measurements reveal strong uniaxial anisotropy, where the easy axis is aligned with the crystallographic c axis. While the spin carriers of this structure are isotropic S = 5/2 FeIII metal centers and S = 1/2 organic linkers, the anisotropy energy of the framework material is comparable to that of reported 2D ferromagnets. Density functional theory calculations indicate that the observed magnetocrystalline anisotropy arises from ligand-to-metal charge transfer that enhances the magnetic anisotropy of the otherwise-isotropic Fe centers, suggesting that metal–ligand covalency can be utilized as a general additive for the development of 2D magnets. These results show the possibility for (NMe4)2[Fe2L3] to retain magnetic order down to the 2D monolayer limit. In addition, the combination of large magnetic anisotropy and semiconducting character in (NMe4)2[Fe2L3] highlights its potential as a new 2D magnetic semiconductor.

show abstract

The effect of magnetization anisotropy and paramagnetic susceptibility on the magnetization process

Cited by 19 publications

References 24 publications

Evidence of Ferromagnetic Clusters and Griffiths Singularity in Magnetic Weyl Semimetal Co$ _{3} $Sn$ _{2} $S$ _{2} $

Evidence of Ferromagnetic Clusters and Griffiths Singularity in Magnetic Weyl Semimetal Co$ _{3} $Sn$ _{2} $S$ _{2} $

Magnetic properties, anisotropy parameters and magnetocaloric effect of flux grown MnFe4Si3 single crystal

Strong Magnetocrystalline Anisotropy Arising from Metal–Ligand Covalency in a Metal–Organic Candidate for 2D Magnetic Order

Contact Info

Product

Resources

About