Quantitative measurement of the ferromagnetic resonance signal by force detection

被引：16

作者：

Naletov, VV

Charbois, V

Klein, O ^{[1
]}

Fermon, C

机构：

[1] CEA Orme Merisiers, Serv Phys Etat Condense, F-91191 Gif Sur Yvette, France

[2] Kazan VI Lenin State Univ, Dept Phys, Kazan 420008, Russia

来源：

APPLIED PHYSICS LETTERS | 2003年 / 83卷 / 15期

关键词：

D O I：

10.1063/1.1614421

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A magnetic resonance force microscope is used to measure DeltaM(z), the change of longitudinal magnetization associated with the resonant absorption of microwave power in a ferromagnetic crystal. It is demonstrated that quantitative measurements of DeltaM(z) can be obtained by analyzing the dipolar force exerted between a disk sample and a cylindrical probe magnet aligned and magnetized along their axis. Finite size effects are found to be important when probing the resonance in a micron-sized sample. (C) 2003 American Institute of Physics.

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页码：3132 / 3134

页数：3

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