Self-similar field dependent curves for a Heusler alloy

Ovichi, Maryam; ElBidweihy, Hatem; Ghahremani, Mohammadreza; Torre, E. Della; Bennett, L. H.; Johnson, Frank B.; Zou, Min

doi:10.1016/j.physb.2013.07.035

Cited by 2 publications

(2 citation statements)

References 11 publications

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“…This phenomenon is called self-similarity. In literature, very few works have been published on this particular property, such as Reference [8,9] for magnetocaloric materials, and this confirms the novelty of the results reported in this manuscript.…”

Section: Introductionsupporting

confidence: 87%

“…Indeed, a suitable choice of u allows for building up an analytical phenomenological description of the most common magnetostrictive behavior, as reported in Reference [12]. Moreover, in this paper, we show this particular viewpoint of the self-similarity property, based on the experimental measurements, similar to what was done in Reference [8,9] for magnetocaloric materials with ferro-to-paramagnetic phase transitions. One of the questions that this paper deals with is: can self-similarity be formally quantified for the most common magnetostrictive materials?…”

Section: Self-similarity Definitionsupporting

confidence: 79%

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Self-Similarity in Magnetostrictive Materials: An Experimental Point of View

et al. 2021

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Magnetostrictive behavior is characterized by a complex coupling between magnetic and mechanical quantities. While this behavior can be quite easily exploited for both actuation and sensing or energy conversion purposes, the complex hysteresis interaction between magnetization and magnetic field and mechanical stress and strain is hard to model. Nevertheless, magnetic and magnetostrictive experimental curves are quite self-similar, assuming stress as self-similarity parameter. The quantification of this concept would help modeling. Here, this concept is quantified and experimentally confirmed over different types of magnetostrictive samples.

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Section: Introductionsupporting

confidence: 87%

Section: Self-similarity Definitionsupporting

confidence: 79%

Self-Similarity in Magnetostrictive Materials: An Experimental Point of View

et al. 2021

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Magnetocaloric effect in NiMnInSi Heusler alloys

Ovichi

ElBidweihy

Torre

et al. 2015

Journal of Applied Physics

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The NiMnInSi Heusler alloy family is analyzed, and a self-similarity based method is used to analyze the first-order transition of Ni-Mn Heusler alloys. This method is appropriate to determine magnetic characteristics of the Magnetocaloric Effect providing that there is sufficient separation in their phase transition temperatures. A temperature scaling methodology is used to model the cluster compositions in the mixed-state regions where two stable magnetic states co-exist. The various descriptions and classifications of these transitions, however, are not critical to this analysis.

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Self-similar field dependent curves for a Heusler alloy

Cited by 2 publications

References 11 publications

Self-Similarity in Magnetostrictive Materials: An Experimental Point of View

Self-Similarity in Magnetostrictive Materials: An Experimental Point of View

Magnetocaloric effect in NiMnInSi Heusler alloys

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