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Investigation of the ultrasonic wave influence on magnetic ordering in a 20 x [Fe(20 angstrom a)/Cr(12 angstrom a)]/MgO layered structure

机译:超声波对20 x [Fe(20埃)/ Cr(12埃)] / MgO层状结构中磁有序性的影响的研究

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摘要

A 20 x [Fe(20 angstrom)/Cr (12 angstrom)]/MgO structure excited by an ultrasonic wave was investigated by polarized neutron reflectometry. It was found that magnetic domains oscillate and their effective size decreases in weak magnetic fields. In close-to-saturation fields, a magnetic lattice is formed in the layered structure; the interplanar spacings in this lattice change with an increase in the field strength and as a result of the excitation of the structure by an ultrasonic wave.
机译:通过极化中子反射法研究了由超声波激发的20 x [Fe(20埃)/ Cr(12埃)] / MgO结构。发现在弱磁场中磁畴振荡并且其有效尺寸减小。在接近饱和的磁场中,在层状结构中形成了一个磁性晶格。随着电场强度的增加以及超声波对结构的激发,该晶格中的晶面间距会发生变化。

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