2002
DOI: 10.1063/1.1503851
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Magnetocrystalline anisotropy in single-crystal Co–Ni–Al ferromagnetic shape-memory alloy

Abstract: The magnetocrystalline anisotropy in a single-crystal Co37Ni34Al29 ferromagnetic shape-memory alloy has been investigated. The prestrain was applied to the parent phase in order to nucleate the specific variant in the sample cooled down through the martensitic transformation temperature. The applied magnetic field facilitates the growth of variants parallel to the applied magnetic field in analogy with the prestrain. From these results of selective nucleation of variants, the magnetocrystalline anisotropy ener… Show more

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Cited by 95 publications
(50 citation statements)
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References 13 publications
(14 reference statements)
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“…Other FSMAs that have been reported to date are FePd [2], FePt [3], NiFeGa [4], CoNiGa [5][6], CoNiAl [7][8][9]. The combination of large MFIS coupled with the possibility of rapid response makes FSMAs suitable for a wide range of applications such as actuators and sensors.…”
Section: Ferromagnetic Shape Memory Alloys (Fsmas) Have Attracted Incmentioning
confidence: 99%
“…Other FSMAs that have been reported to date are FePd [2], FePt [3], NiFeGa [4], CoNiGa [5][6], CoNiAl [7][8][9]. The combination of large MFIS coupled with the possibility of rapid response makes FSMAs suitable for a wide range of applications such as actuators and sensors.…”
Section: Ferromagnetic Shape Memory Alloys (Fsmas) Have Attracted Incmentioning
confidence: 99%
“…Esta gran deformación resulta de la considerable anisotropía obtenida por el cambio de fase martensítica originado por la elevada energía magnetocristalina y por la movilidad de las interfaces entre las variantes de la martensita. Debido a su posible aplicación en diferentes áreas, recientemente se han desarrollado sistemas de aleaciones FSMA como: Fe-Pd (James y Wuttig, 1998), Ni-Mn-Al (Gejima et al, 1999), Fe-Pt (Kakeshita et al, 2000), y Co-Ni-Al Morito et al, 2002). En particular los sistemas, Ni-Fe-Ga y Co-Ni-Ga se presentan como los mejores candidatos para las FSMA.…”
Section: Introductionunclassified
“…The irreducible representation can be obtained from [40]. Co-Ni-Al, for example, is another material system of MSMAs that also belongs to the 4/mmm class [44]. The magneto-mechanical decompositions are presented in table 3, and the basic quantities are given by…”
Section: (I) Integrity Basis For the Gibbs Free Energymentioning
confidence: 99%