EVOLUTION OF THE MICROWAVE-ABSORPTION SPECTRUM OF A STRONGLY ANISOTROPIC FERRIMAGNET AS THE ORIENTATION OF THE EXTERNAL MAGNETIC-FIELD IS VARIED

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LAGUTIN, AS
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O4 [物理学];
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0702 ;
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The behavior of the lines of resonant microwave absorption has been studied in a Ho0.4Y2.6Fe5O12 single crystal as the orientation of the external magnetic field was varied in the (110) plane. This plane contains the principal directions of the cubic crystal: [100], [110], and [111]. Experiments were carried out in pulsed magnetic fields up to 250 kOe at liquid-helium temperature at a frequency of 40.5 GHz. A comparison reveals substantial differences between the experimental results and the results of a theoretical analysis based on the model of an Ising ordering of holmium ions.
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页码:287 / 290
页数:4
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