Magnetic stripe melting at the spin reorientation transition in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Fe</mml:mi><mml:mo>∕</mml:mo><mml:mi>Ni</mml:mi><mml:mo>∕</mml:mo><mml:mi>Cu</mml:mi><mml:mrow><mml:mo>(</mml:mo><mml:mn>001</mml:mn><mml:mo>)</mml:mo></mml:mrow></mml:mrow></mml:math>

Won, C.; Wu, Yi; Choi, Jun Woo; Kim, W.; Schöll, A.; Doran, Andrew; Owens, Timothy D.; Wu, Junqiao; X, Jin; Zhao, H. W.; Qiu, Z. Q.

doi:10.1103/physrevb.71.224429

Cited by 92 publications

(122 citation statements)

References 23 publications

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“…The graph summarizes the dependence for different samples as well as for a single sample, but at different effective temperatures due to a change of the effective anisotropy by Cs adatoms. The main result that can be extracted from this figure is that the overall dependence of the domain width with respect to the distance to the SRT remains similar, which is in agreement with Won et al 9 and Abe et al 11 The film thickness dependence of the domain width is mainly caused by the variation of the effective anisotropy with film thickness, which can be written as refs 10,16). Here K B is the bulk anisotropy, M S is the magnetization at saturation, K S and K I are the surface and interface anisotropies, respectively, and d is the film thickness.…”

Section: Resultssupporting

confidence: 77%

“…This is in agreement with the theoretically predicted phase diagram by Cannas et al 18 These authors showed that only in a narrow temperature and effective anisotropy interval, a paramagnetic phase exists between the ferromagnetic out-of-plane and in-plane phase. The existence of some fast moving domains near the SRT (image exposure time 12 ms), as already observed in 9 , is confirmed in these images as we observe zero contrast locally but within the perpendicular stripe domain phase. Surprisingly, Fig.…”

Section: Resultssupporting

confidence: 70%

“…For K e 40, the system favors out-of-plane magnetization and at K e ¼ 0 the SRT occurs. As has been shown by Won et al 9 , the equilibrium stripe domain width is an exponential function of the effective magnetic anisotropy K e , the exchange interaction J and the dipolar energy O. All energy terms are assumed to be average quantities with respect to the whole magnetic stack.…”

Section: Resultsmentioning

confidence: 99%

“…The system Fe/Ni/Cu(001) exhibits a stable out-of-plane phase and shows a wealth of domain patterns 9 . The equilibrium domain width of the system is determined by the temperature and thickness-dependent ratio of the anisotropy, dipolar and exchange coupling constants.…”

Section: Resultsmentioning

confidence: 99%

“…The experimentally measured and theoretically predicted 2,9 domain width dependence on the effective temperature T Ã (d,T) results in an exponential evolution. This is shown in Fig.…”

Section: Discussionmentioning

confidence: 99%

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Dipolar-energy-activated magnetic domain pattern transformation driven by thermal fluctuations

et al. 2013

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Two-dimensional ferromagnetic layers can serve as a playground for the study of basic physical properties of various pattern forming systems by virtue of their tuneable magnetic properties. Here we use threshold photoemission magnetic circular dichroism in combination with photoemission electron microscopy to investigate ultra-thin ferromagnetic Fe/Ni/Cu(001) films in the stripe domain phase near the spin reorientation transition as a function of film thickness, temperature and effective anisotropy. Here we report a metastable domain state with domain width larger than the thermodynamically stable one as a result of a rapid reduction of the anisotropy. The transformation into the equilibrium state takes place via the propagation of a transition front, which originates from defined steps in the film thickness.

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Section: Resultssupporting

confidence: 77%

Section: Resultssupporting

confidence: 70%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

“…The experimentally measured and theoretically predicted 2,9 domain width dependence on the effective temperature T Ã (d,T) results in an exponential evolution. This is shown in Fig.…”

Section: Discussionmentioning

confidence: 99%

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Dipolar-energy-activated magnetic domain pattern transformation driven by thermal fluctuations

et al. 2013

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Magnetic Properties of Systems of Low Dimensions

Allenspach

2007

Handbook of Magnetism and Advanced Magnetic Materials

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The topic of low‐dimensional ferromagnetism is presented by means of examples: three specific systems illustrate phase transitions, domain patterns, and domain walls. Stripe‐domain phases and their transformations are described in ultrathin, perpendicularly magnetized Fe/Cu films, and related to two‐dimensional phase transitions. The domain patterns in small elements are discussed in stepped Co/Cu(001), an in‐plane‐magnetized system with tunable anisotropy. A wealth of different domain patterns is observed, exhibiting a distinct size and thickness dependence. A microscopic investigation of domain walls that are confined to small elements and pinned at constrictions is performed in Fe 20 Ni 80 . The wall types and profiles are found to deviate strongly from those encountered in extended films. A comparison with micromagnetic simulations leads to insight into the energetics driving these modifications.

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Mn₂Au: Body‐Centered‐Tetragonal Bimetallic Antiferromagnets Grown by Molecular Beam Epitaxy

Liao

Sofin

et al. 2012

Advanced Materials

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Mn(2)Au, a layered bimetal, is successfully grown using molecular beam epitaxy (MBE). The experiments and theoretical calculations presented suggest that Mn(2)Au film is antiferromagnetic with a very low critical temperature. The antiferromagnetic nature is demonstrated by measuring the exchange-bias effect of Mn(2)Au/Fe bilayers. This study establishes a primary basis for further research of this new antiferromagnet in spin-electronic device applications.

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Magnetic stripe melting at the spin reorientation transition inFe∕Ni∕Cu(001)

Cited by 92 publications

References 23 publications

Dipolar-energy-activated magnetic domain pattern transformation driven by thermal fluctuations

Dipolar-energy-activated magnetic domain pattern transformation driven by thermal fluctuations

Magnetic Properties of Systems of Low Dimensions

Mn₂Au: Body‐Centered‐Tetragonal Bimetallic Antiferromagnets Grown by Molecular Beam Epitaxy

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Magnetic stripe melting at the spin reorientation transition inFe∕Ni∕Cu(001)

Cited by 92 publications

References 23 publications

Dipolar-energy-activated magnetic domain pattern transformation driven by thermal fluctuations

Dipolar-energy-activated magnetic domain pattern transformation driven by thermal fluctuations

Magnetic Properties of Systems of Low Dimensions

Mn2Au: Body‐Centered‐Tetragonal Bimetallic Antiferromagnets Grown by Molecular Beam Epitaxy

Contact Info

Product

Resources

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Mn₂Au: Body‐Centered‐Tetragonal Bimetallic Antiferromagnets Grown by Molecular Beam Epitaxy