Susceptibility scaling functions for ferromagnetic Ising films

Capehart, T. W.; Fisher, Michael E.

doi:10.1103/physrevb.13.5021

Cited by 125 publications

(83 citation statements)

References 36 publications

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“…45 However, it is expected that a 2D Heisenberg system with anisotropy will show a 2D Ising-like transition. 49,50 Our FMR studies that FIG. 5.…”

Section: Thickness Dependence Of the Ferromagnetic Transition Temmentioning

confidence: 99%

“…[45][46][47] However, the mean-field description of the ferromagnetic transition in low-dimensional magnetic systems with short-range interactions may serve only as the first approximation to the theoretical analysis of this transition. [48][49][50] Below, we discuss the ferromagnetic transition in EuS-PbS multilayers within the framework of other concepts developed for the analysis of dimensional effects in low-dimensional magnetic systems.…”

Section: Thickness Dependence Of the Ferromagnetic Transition Temmentioning

confidence: 99%

“…[48][49][50] This approach predicts, in particular, that the shift of the critical temperature (T C (n) ϪT C bulk ) is ͑for n→ϱ) expected to vary as n Ϫ , where ϭ1/ 3 . Here 3 ϭ2/3 is the critical exponent for the magnetic correlation length of the 3D system.…”

Section: Thickness Dependence Of the Ferromagnetic Transition Temmentioning

confidence: 99%

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Ferromagnetic transition in EuS-PbS multilayers

et al. 1999

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Document VersionPublisher's PDF, also known as Version of Record (includes final page, issue and volume numbers)Please check the document version of this publication:• A submitted manuscript is the author's version of the article upon submission and before peer-review. There can be important differences between the submitted version and the official published version of record. People interested in the research are advised to contact the author for the final version of the publication, or visit the DOI to the publisher's website.• The final author version and the galley proof are versions of the publication after peer review.• The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication Citation for published version (APA):Stachow-Wojcik, A., Story, T., Dobrowolski, W., Arciszewska, M., Galazka, R. R., Kreijveld, M. W., ... Sipatov, A. Y. (1999). Ferromagnetic transition in EuS-PbS multilayers. Physical Review B, 60(22), 15220-15229. DOI: 10.1103/PhysRevB.60.15220 General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. The magnetic properties of multilayers of ferromagnetic EuS intercalated with diamagnetic PbS were studied as a function of the EuS layer thickness ͑varying from 2 to 200 ML͒. The critical temperature T C of the paramagnet-ferromagnet phase transition was determined from magnetization vs temperature measurements and was found to depend on the underlying substrate ͓KCl ͑100͒ vs BaF 2 ͑111͔͒ as well as on the thickness of the EuS layer. For thick layers (d EuS Ϸ200 ML), which mimic semibulk EuS, the T C values were found shifted with respect to the bulk EuS ͑about 1 K up for layers grown on KCl and about 3 K down for layers grown on BaF 2 ). This effect is attributed to stress resulting mainly from the difference of thermal expansion coefficients between the substrate and the structure. For thin layers (d EuS Ͻ10 ML), a systematic reduction of T C with decreasing EuS layer thickness was observed. This behavior is discussed from two points of view: ͑a͒ the reduction of the average number of magnetic neighbors because of the increasing role of the interface for the thin layers, and ͑b͒ the three-dimensional/two-dimensional ͑3D/2D͒ crossover from a 3D Heisenberg-type ferromagnet to a 2D XY or Ising-like sy...

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“…45 However, it is expected that a 2D Heisenberg system with anisotropy will show a 2D Ising-like transition. 49,50 Our FMR studies that FIG. 5.…”

Section: Thickness Dependence Of the Ferromagnetic Transition Temmentioning

confidence: 99%

Section: Thickness Dependence Of the Ferromagnetic Transition Temmentioning

confidence: 99%

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Ferromagnetic transition in EuS-PbS multilayers

et al. 1999

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“…While for the latter systems Eq. (2) has been studied by various methods 13,15,[56][57][58][59][60] , Eq.…”

Section: Introductionmentioning

confidence: 99%

A Monte Carlo test of the Fisher–Nakanishi–Scaling theory for the capillary condensation critical point

Dillmann

Janke

Müller

et al. 2001

The Journal of Chemical Physics

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Extending the Swendsen-Wang cluster algorithm to include both bulk (H) and surface fields (H 1 ) in L×L×D Ising films of thickness D and two free L×L Nakanishi, J. Chem. Phys. 75, 5857 (1981)where ν is the bulk correlation length exponent of the three-dimensional Ising model, and ∆, ∆ 1 are the corresponding "gap exponents" associated with bulk and surface fields, respectively. As expected, the order parameter of the thin film near its critical point exhibits critical behavior compatible with the universality class of the two-dimensional Ising model.

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“…Theoretically, the exponent λ has been extracted for some certain models with a wide variety of techniques. For instance, using the high temperature series expansion (HTSE) method, it has been shown that the estimated value of λ for ferromagnetic Ising [25,26] and Heisenberg [27] thin films severely depends on whether a periodic or free boundary condition was considered in the surface. This result has also been verified within the resolution of MC simulations [28][29][30][31].…”

Section: Introductionmentioning

confidence: 99%

Critical behavior and universality properties of uniaxial ferromagnetic thin films in the presence of random magnetic fields

Yüksel

2015

Journal of Magnetism and Magnetic Materials

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Critical phenomena in uniaxial ferromagnetic thin films in the presence of random magnetic fields have been studied within the framework of effective field theory. When the type of the random field distribution is bimodal, the system exhibits tricritical behavior. Furthermore, the critical value of surface to bulk ratio of exchange interactions at which the transition temperature becomes independent of film thickness is insensitive to the presence of disorder whether the distribution is bimodal or trimodal. Regarding the universality properties, neither p, nor h variations in the system can affect the value of the shift exponent λ. In this regard, it can be concluded that pure ferromagnetic thin films are in the same universality class with those under the influence of random discrete magnetic fields.

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Susceptibility scaling functions for ferromagnetic Ising films

Cited by 125 publications

References 36 publications

Ferromagnetic transition in EuS-PbS multilayers

Ferromagnetic transition in EuS-PbS multilayers

A Monte Carlo test of the Fisher–Nakanishi–Scaling theory for the capillary condensation critical point

Critical behavior and universality properties of uniaxial ferromagnetic thin films in the presence of random magnetic fields

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