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Structural Peculiarities and Magnetic Properties of Nanoscale Terbium in Tb/Ti and Tb/Si Multilayers
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作者 A. V. Svalov V. O. Vas'kovskiy +4 位作者 G. V. Kurlyandskaya J. M. Barandiaran I. Orue N. N. Schegoleva A. N. Sorokin 《Chinese Physics Letters》 SCIE CAS CSCD 2006年第1期196-199,共4页
The structure and the magnetic properties of rf-sputtered nauoscale Tb in [Tb/Ti]n and [Tb/Si] multilayers have been studied experimentally. It is found that the structure of Tb layers changes, transforming from a fin... The structure and the magnetic properties of rf-sputtered nauoscale Tb in [Tb/Ti]n and [Tb/Si] multilayers have been studied experimentally. It is found that the structure of Tb layers changes, transforming from a fine-crystalline state of Tb into an amorphous state as the magnetic layer thickness decreases. The observed displacement of a magnetic ordering temperature to the lower temperature range and the shift of magnetic hysteresis obtained in the ZFC-FC terms may be caused by the size effect and the amorphization. Both the first and the second suppress the exchange interaction and decrease the crystalline magnetic anisotropy. The type of material of nonmagnetic spacers between the Tb layers plays a certain role in these changes. 展开更多
关键词 ferromagnetic-resonance FILMS TEMPERATURE DEPENDENCE THICKNESS LAYERS
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