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Shand, Paul; Meyer, A. L.; Streicher, M.; Wilson, Adam A.; Rash, T.; Roth, M.; Kidd, Tim; Strauss, Laura

doi:10.1103/physrevb.85.144432

Cited by 20 publications

(16 citation statements)

References 48 publications

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“…22,23 The peak observed in the M ZFC (T) curve and the upturn of the M FC (T) curve below T f are characteristic of cluster glass systems with high concentrations of magnetic atoms. 13,24 The isothermal magnetization curves as a function of applied magnetic eld are displayed in Fig. 6.…”

Section: Resultsmentioning

confidence: 99%

Magnetic and magnetocaloric properties of Dy₅Pd₂: role of magnetic irreversibility

et al. 2015

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Section: Resultsmentioning

confidence: 99%

Magnetic and magnetocaloric properties of Dy₅Pd₂: role of magnetic irreversibility

et al. 2015

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“…A small peak on the χ FC (T) curve at the freezing temperature followed by a plateau was observed in some spin-glass systems [10]. An upturn of the χ FC (T) curve below the freezing temperature T f is characteristic of cluster glasses in systems with a rather high concentration of magnetic atoms [28]. The χ ZFC (T) and χ FC (T) curves exhibit a strong irreversibility as indicated by the bifurcation between them below the characteristic temperature T ir .…”

Section: Dc-susceptibilitymentioning

confidence: 95%

A cluster-glass magnetic state in R₅Pd₂(R = Ho, Tb) compounds evidenced by AC-susceptibility and neutron scattering measurements

Губкин

Шерстобитова

Terentyev

et al. 2013

J. Phys.: Condens. Matter

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AC- and DC-susceptibility, high-field magnetization and neutron diffraction measurements have been performed in order to study the magnetic state of R5Pd2 (R = Ho, Tb) compounds. The results show that both compounds undergo cluster-glass freezing upon cooling below Tf. According to the neutron diffraction a long-range magnetic order is absent down to 2 K and magnetic clusters with short-range incommensurate antiferromagnetic correlations exist not only below Tf but also in a wide temperature range above the freezing temperature (at least up to 2Tf). A complex cluster-glass magnetic state existing in Ho5Pd2 and Tb5Pd2 down to low temperatures results in rather complicated magnetization behavior in DC and AC magnetic fields. Such an unusual magnetic state in compounds with a high rare-earth concentration may be associated with the layered type of their crystal structure and with substantial atomic disorder, which results in frustrations in the magnetic subsystem.

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“…Additionally, FC curve also shows a small peak ~ 17.2 K, followed by an upturn. A peak in the FC curves is generally observed in systems which undergo antiferromagnetic transition while a small peak at glass transition temperature followed by plateau has been reported in the spin glass system [4].Generally, an upturn in the FC curve below the phase transition temperature indicates the presence of clusters of spins [18].Inverse magnetic susceptibility was fitted with Curie-Weiss (CW) law in the range of 20 to 300 K (as shown in inset of figure 2 (a)). The range of fitting of the CW law indicate that spin-clustering was absent above the magnetic phase transition temperature.…”

Section: Magnetization Studymentioning

confidence: 99%

Complex magnetic behaviour and evidence of a superspin glass state in the binary intermetallic compound Er₅Pd₂

Sharma

Yadav

Mukherjee

2018

J. Phys.: Condens. Matter

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The binary intermetallic compound ErPd has been investigated using dc and ac magnetic susceptibilities, magnetic memory effect, isothermal magnetization, non-linear dc susceptibility, heat capacity and magnetocaloric effect studies. Interestingly, even though the compound does not show geometrical frustration it undergoes glassy magnetic phase transition below 17.2 K. Investigation of dc magnetization and heat capacity data divulged absence of long-ranged magnetic ordering. Through the magnetic memory effect, time dependent magnetization and ac susceptibility studies it was revealed that the compound undergoes glass-like freezing below 17.2 K. Analysis of frequency dependence of this transition temperature through scaling and Arrhenius law; along with the Mydosh parameter indicate, that the dynamics in ErPd are due to the presence of strongly interacting superspins rather than individual spins. This phase transition was further investigated by non-linear dc susceptibility and was characterized by static critical exponents γ and δ. Our results indicate that this compound shows the signature of superspin glass at low temperature. Additionally, both conventional and inverse magnetocaloric effect was observed with a large value of magnetic entropy change and relative cooling power. Our results suggest that ErPd can be classified as a superspin glass system with large magnetocaloric effect.

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Coulomb-driven cluster-glass behavior in Mn-intercalated Ti1+yS2

Abstract: We have investigated the low-temperature spin-glass-like phase in the intercalated transition- ferroelectric relaxor systems suggests underlying similarity in the microscopic structure of the clusters in both systems, which may be chain-like or quasi-one-dimensional.

Cited by 20 publications

References 48 publications

Magnetic and magnetocaloric properties of Dy₅Pd₂: role of magnetic irreversibility

Magnetic and magnetocaloric properties of Dy₅Pd₂: role of magnetic irreversibility

A cluster-glass magnetic state in R₅Pd₂(R = Ho, Tb) compounds evidenced by AC-susceptibility and neutron scattering measurements

Complex magnetic behaviour and evidence of a superspin glass state in the binary intermetallic compound Er₅Pd₂

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Coulomb-driven cluster-glass behavior in Mn-intercalated Ti1+yS2

Abstract: We have investigated the low-temperature spin-glass-like phase in the intercalated transition- ferroelectric relaxor systems suggests underlying similarity in the microscopic structure of the clusters in both systems, which may be chain-like or quasi-one-dimensional.

Cited by 20 publications

References 48 publications

Magnetic and magnetocaloric properties of Dy5Pd2: role of magnetic irreversibility

Magnetic and magnetocaloric properties of Dy5Pd2: role of magnetic irreversibility

A cluster-glass magnetic state in R5Pd2(R = Ho, Tb) compounds evidenced by AC-susceptibility and neutron scattering measurements

Complex magnetic behaviour and evidence of a superspin glass state in the binary intermetallic compound Er5Pd2

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Product

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Magnetic and magnetocaloric properties of Dy₅Pd₂: role of magnetic irreversibility

Magnetic and magnetocaloric properties of Dy₅Pd₂: role of magnetic irreversibility

A cluster-glass magnetic state in R₅Pd₂(R = Ho, Tb) compounds evidenced by AC-susceptibility and neutron scattering measurements

Complex magnetic behaviour and evidence of a superspin glass state in the binary intermetallic compound Er₅Pd₂