Spin correlations and a mesoscopic structure in Ni-Mn-Ga

Runov VV; Chernenkov YP; Runov MK; Gavrilyuk VG; Glavatska NI; Goukasov AG; Koledov VV; Shavrov VG; Khovailo VV

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Spin correlations and a mesoscopic structure in Ni-Mn-Ga

机译：Ni-Mn-Ga中的自旋相关性和介观结构

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The mesoscopic structures of the Heusler alloys Ni49.1Mn29.4Ga21.5 and Ni2MnGa are studied by small-angle polarized neutron scattering in the temperature range 15 < T < 400 K. The characteristic temperatures of phase transformations (ferromagnetic, martensitic, and premartensitic transformations) and the characteristic sizes of mesoscopic inhomogeneities in them have been determined. Differences in the spin dynamics of these phases and magnetic-nuclear interference upon neutron scattering have been revealed. The evolutions of the mesoscopic structures in the nonstoichiometric and stoichiometric alloys are found to be substantially different.

机译：通过小角度极化中子散射在15

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《Journal of Experimental and Theoretical Physics》 |2006年第1期|共12页
作者
Runov VV; Chernenkov YP; Runov MK; Gavrilyuk VG; Glavatska NI; Goukasov AG; Koledov VV; Shavrov VG; Khovailo VV;
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正文语种 eng
中图分类理论物理学;
关键词
POLARIZED-NEUTRON-SCATTERING; FIELD-INDUCED STRAIN; SHAPE-MEMORY ALLOYS; NI2MNGA SINGLE-CRYSTALS; PHASE-TRANSITIONS; MAGNETIC-FIELD; MARTENSITIC PHASE; HEUSLER ALLOY; FERROMAGNETS; WAVES;

机译：极化中子散射;场致应变;形状记忆合金;NI2MNGA单晶;相变;磁化;马氏体相;HEUSLER合金;铁磁合金;波纹;

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Spin correlations and a mesoscopic structure in Ni-Mn-Ga

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