INTERFACE MAGNETISM AND POSSIBLE QUANTUM-WELL OSCILLATIONS IN ULTRATHIN CO/CU FILMS OBSERVED BY MAGNETIZATION INDUCED 2ND-HARMONIC GENERATION

被引：120

作者：

WIERENGA, HA ^{[1
]}

DEJONG, W ^{[1
]}

PRINS, MWJ ^{[1
]}

RASING, T ^{[1
]}

VOLLMER, R ^{[1
]}

KIRILYUK, A ^{[1
]}

SCHWABE, H ^{[1
]}

KIRSCHNER, J ^{[1
]}

机构：

[1] MAX PLANCK INST MIKROSTRUKTURPHYS,D-06120 HALLE,GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.74.1462

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

fcc Co on Cu(001) and multilayers of Cu/Co/Cu(001) are studied by magnetization induced SHG (MSHG) in combination with linear Kerr measurements, for thicknesses between 1 and 20 monolayers (ML). Interface sensitivity of MSHG is demonstrated by its Co thickness dependency. Aside from a weak modulation, the MSHG signal from Co/Cu is nearly constant for thicknesses between 6 and 20 ML. Very strong oscillations in the MSHG signal are found for the Cu/Co/Cu system as a function of the thickness of the Cu coverlayer, which are possibly related to quantum well states in these thin Cu films. © 1995 The American Physical Society.

引用

页码：1462 / 1465

页数：4

共 26 条

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