Highly sensitive spin-flop transition in antiferromagnetic van der Waals material 
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 (
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 and Mn)

Basnet, Rabindra; Wegner, Aaron; Pandey, K. C.; Storment, Stephen; Hu, Jin

doi:10.1103/physrevmaterials.5.064413

Cited by 44 publications

(37 citation statements)

References 81 publications

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“…In addition, the different values for J 1 MnNi (−1 meV) and J 1 NiMn (−0.7 meV) stems from the different lattice parameters of the hosts (see Table 3 ). Although the mixed exchange coupling obtained for (Ni 3/4 ,Mn 1/4 )PS 3 correctly reflected the 1NN AFM-z ground-state configuration for this system, the difference between the 1NN AFM-N and 1NN AFM-z is just 1.5 meV per magnetic ion (see Figure 5 c), thus resulting in magnetic frustration between the Mn and Ni atoms at the honeycomb sites due to the competition between the Néel and zigzag configurations, similar to the results reported in ref ( 35 ). Moreover, the critical temperature is directly related to the strength of the exchange couplings.…”

Section: Resultssupporting

confidence: 86%

“… 22 In addition, the “M” atoms in MPX 3 crystals might be substituted with other transition metal atoms inducing the FM order, as recently reported for a particular concentration of the non-magnetic dopants in the CrPSe 3 host, resulting in a half-metallic FM state. 23 Moreover, a series of mixed systems in a bulk form 24 − 35 has been experimentally realized, thus entering a new playground of magnetic phases.…”

Section: Introductionmentioning

confidence: 99%

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Limited Ferromagnetic Interactions in Monolayers of MPS₃ (M = Mn and Ni)

et al. 2022

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We present a systematic study of the electronic and magnetic properties of two-dimensional ordered alloys, consisting of two representative hosts (MnPS 3 and NiPS 3 ) of transition metal phosphorus trichalcogenides doped with 3d elements. For both hosts, our DFT + U calculations are able to qualitatively reproduce the ratios and signs of all experimentally observed magnetic couplings. The relative strength of all antiferromagnetic exchange couplings, both in MnPS 3 and in NiPS 3 , can successfully be explained using an effective direct exchange model: it reveals that the third-neighbor exchange dominates in NiPS 3 due to the filling of the t 2g subshell, whereas for MnPS 3 , the first-neighbor exchange prevails, owing to the presence of the t 2g magnetism. On the other hand, the nearest neighbor ferromagnetic coupling in NiPS 3 can only be explained using a more complex superexchange model and is (also) largely triggered by the absence of the t 2g magnetism. For the doped systems, the DFT + U calculations revealed that magnetic impurities do not affect the magnetic ordering observed in the pure phases, and thus, in general in these systems, ferromagnetism may not be easily induced by such a kind of elemental doping. However, unlike for the hosts, the first and second (dopant–host) exchange couplings are of similar order of magnitude. This leads to frustration in the case of antiferromagnetic coupling and may be one of the reasons of the observed lower magnetic ordering temperature of the doped systems.

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Section: Resultssupporting

confidence: 86%

Section: Introductionmentioning

confidence: 99%

Limited Ferromagnetic Interactions in Monolayers of MPS₃ (M = Mn and Ni)

et al. 2022

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“…Furthermore, a recent report of the substitution dependence of the spin-flop transition in (Ni 1−x Mn x ) 2 P 2 S 6 [34] motivates high-field exploration of the substitution dependence, especially for x < 0.5.…”

Section: Discussionmentioning

confidence: 99%

“…The Mn moments in Mn 2 P 2 S 6 are oriented in a mostly out-of-plane orientation, while the Ni moments in Ni 2 P 2 S 6 are oriented mostly in the a-direction, with a small component along the c direction [44]. In collinear AFM systems, a magnetic field along the easy axis that exceeds a critical spin-flop field H sf induces the magnetic moments to rotate [34].…”

Section: B Antiferromagnetic State Measurementsmentioning

confidence: 99%

“…Several recent studies have investigated the transitionmetal-substitution dependence of the bulk magnetic properties of these compounds, revealing excellent tunability of the quasi-2D magnetic behavior in T 2 P 2 S 6 compounds [32][33][34]. This tunability motivates comparison of our recent 31 P nuclear magnetic resonance (NMR) study of Ni 2 P 2 S 6 [35] to Mn 2 P 2 S 6 .…”

Section: Introductionmentioning

confidence: 95%

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${}^{31}$P NMR investigation of quasi-two-dimensional magnetic correlations in $T_2$P$_2$S$_6$ ($T$ = Mn & Ni)

Bougamha,

Selter,

Shemerliuk

et al. 2021

Preprint

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We report the anomalous breakdown in the scaling of the microscopic magnetic susceptibilityas measured via the 31 P nuclear magnetic resonance (NMR) shift K-with the bulk magnetic susceptibility χ in the paramagnetic state of Mn2P2S6. This anomaly occurs near Tmax ∼ 117 K the maximum in χ(T ) and is therefore associated with the onset of quasi-two-dimensional (quasi-2D) magnetic correlations. The spin-lattice relaxation rate divided by temperature (T1T ) −1 in Mn2P2S6 exhibits broad peak-like behavior as a function of temperature, qualitatively following χ, but displaying no evidence of critical slowing down above the Néel temperature TN . In the magnetic state of Mn2P2S6, NMR spectra provide good evidence for 60 degree rotation of stackingfault-induced magnetic domains, as well as observation of the spin-flop transition that onsets at 4 T. The temperature-dependent critical behavior of the internal hyperfine field at the P site in Mn2P2S6 is consistent with previous measurements and the two-dimensional anisotropic Heisenberg model. In a sample of Ni2P2S6, we observe only two magnetically split resonances in the magnetic state, demonstrating that the multiple-peaked NMR spectra previously associated with 60 degree rotation of stacking faults is sample dependent. Finally, we report the observation of a spin-flop-induced splitting of the NMR spectra in Ni2P2S6, with an onset spin-flop field of H sf = 14 T.

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Variation between Antiferromagnetism and Ferrimagnetism in NiPS₃ by Electron Doping

Zheng

Wang

et al. 2022

Adv Funct Materials

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To electrically control magnetic properties of material is promising toward spintronic applications, where the investigation of carrier doping effects on antiferromagnetic (AFM) materials remains challenging due to their zero net magnetization. In this work, the authors find electron doping dependent variation of magnetic orders of a 2D AFM insulator NiPS 3 , where doping concentration is tuned by intercalating various organic cations into the van der Waals gaps of NiPS 3 without introduction of defects and impurity phases. The doped NiPS 3 shows an AFM-ferrimagnetic (FIM) transition at a doping level of 0.2-0.5 electrons/cell and a FIM-AFM transition at a doping level of ≥0.6 electrons/cell. The authors propose that the found phenomenon is due to competition between Stoner exchange dominated inter-chain ferromagnetic order and super-exchange dominated AFM order at different doping level. The studies provide a viable way to exploit correlation between electronic structures and magnetic properties of 2D magnetic materials for realization of magnetoelectric effect.

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Highly sensitive spin-flop transition in antiferromagnetic van der Waals material MPS3 ( M=Ni and Mn)

Cited by 44 publications

References 81 publications

Limited Ferromagnetic Interactions in Monolayers of MPS₃ (M = Mn and Ni)

Limited Ferromagnetic Interactions in Monolayers of MPS₃ (M = Mn and Ni)

${}^{31}$P NMR investigation of quasi-two-dimensional magnetic correlations in $T_2$P$_2$S$_6$ ($T$ = Mn & Ni)

Variation between Antiferromagnetism and Ferrimagnetism in NiPS₃ by Electron Doping

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Highly sensitive spin-flop transition in antiferromagnetic van der Waals material MPS3 ( M=Ni and Mn)

Cited by 44 publications

References 81 publications

Limited Ferromagnetic Interactions in Monolayers of MPS3 (M = Mn and Ni)

Limited Ferromagnetic Interactions in Monolayers of MPS3 (M = Mn and Ni)

${}^{31}$P NMR investigation of quasi-two-dimensional magnetic correlations in $T_2$P$_2$S$_6$ ($T$ = Mn & Ni)

Variation between Antiferromagnetism and Ferrimagnetism in NiPS3 by Electron Doping

Contact Info

Product

Resources

About

Limited Ferromagnetic Interactions in Monolayers of MPS₃ (M = Mn and Ni)

Limited Ferromagnetic Interactions in Monolayers of MPS₃ (M = Mn and Ni)

Variation between Antiferromagnetism and Ferrimagnetism in NiPS₃ by Electron Doping