Origin of the exchange bias training effects in magnetically coupled soft/hard synthetic bilayers at low temperature

Yalçın, Orhan; Ünlüer, Şahin; Kazan, S.; Şahıngöz, Recep

doi:10.1016/j.physb.2014.11.097

Cited by 3 publications

(1 citation statement)

References 55 publications

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“…Additionally, EB effect usually arises in such systems, in which T N is lower than the Curie temperature (T C ). The important application and the lack of fundamental understanding of EB effect have attracted considerable attention [10]. The practical implication of EB effect is that it can be used for spintronic devices and magnetic recording media [11,12].…”

Section: Introductionmentioning

confidence: 99%

Giant exchange bias behavior and training effect in spin-glass-like NiCr2O4/NiO ceramics

et al. 2015

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NiCr 2 O 4 /NiO ceramic has been synthesized successfully through co-precipitation method to study the magnetic properties. Field cooling (FC) magnetic hysteresis loops measured at low temperature show significant shift in both coercive field and remnant magnetization. It has been plotted that the exchange bias (EB) field can be as large as 11.86 kOe at 10 K followed with an enhanced coercive field. The variation of EB field and shift of remnant magnetization after FC processes shows a regular tendency with increasing temperature and cooling field. Known as training effect, the EB behavior also presents a strong dependence on loop cycle. The cycle dependence of large EB field, vertical shift of magnetization, and coercive field at low temperature can be ascribed to the pinned spins in spin-glass-like (SGL) phase of the system interface. The SGL phase has been proved by Almeida-Thouless line and high field relaxation effect. The disorder structure is responsible for the frustration interface and the formation of SGL phase in the interface.

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Section: Introductionmentioning

confidence: 99%

Giant exchange bias behavior and training effect in spin-glass-like NiCr2O4/NiO ceramics

et al. 2015

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Reduction of thermal effect on rail stress measurement based on magnetic Barkhausen noise anisotropy

et al. 2018

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Hysteretic dipolar and quadrupolar properties of the spin-1 Blume–Emery–Griffiths model under pair approximation

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Yalçın

et al. 2021

Int. J. Mod. Phys. B

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As a continuation of previously published work [A. Erdinç and M. Keskin, Int. J. Mod. Phys. B 18, 1603 (2004), doi:10.1142/S0217979204024823] the hysteretic properties of magnetization ([Formula: see text]) and quadrupolar moment ([Formula: see text] have been investigated for the spin-1 Blume–Emery–Griffiths model using pair approximation. The magnetic field ([Formula: see text]) dependence of [Formula: see text] is produced for different values of the lattice coordination number ([Formula: see text]), biquadratic interaction ([Formula: see text]) and single-ion anisotropy ([Formula: see text]). The ([Formula: see text]) loops show different and novelty properties when [Formula: see text]. We also observed the hysteresis cycles in the ([Formula: see text], ([Formula: see text] and ([Formula: see text]) planes. These curves strongly depend on biquadratic interaction [Formula: see text]. Our results are found to be in good agreement with the other theoretical findings.

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Origin of the exchange bias training effects in magnetically coupled soft/hard synthetic bilayers at low temperature

Cited by 3 publications

References 55 publications

Giant exchange bias behavior and training effect in spin-glass-like NiCr2O4/NiO ceramics

Giant exchange bias behavior and training effect in spin-glass-like NiCr2O4/NiO ceramics

Reduction of thermal effect on rail stress measurement based on magnetic Barkhausen noise anisotropy

Hysteretic dipolar and quadrupolar properties of the spin-1 Blume–Emery–Griffiths model under pair approximation

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