Magnetization pattern of ferromagnetic nanodisks

被引：226

作者：

Raabe, J ^{[1
]}

Pulwey, R ^{[1
]}

Sattler, R ^{[1
]}

Schweinböck, T ^{[1
]}

Zweck, J ^{[1
]}

Weiss, D ^{[1
]}

机构：

[1] Univ Regensburg, D-93040 Regensburg, Germany

来源：

JOURNAL OF APPLIED PHYSICS | 2000年 / 88卷 / 07期

关键词：

D O I：

10.1063/1.1289216

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We explore the magnetization pattern of Co and permalloy disks with diameters between 80 nm and 1 mu m by using two complementary experimental techniques: Lorentz microscopy and magnetic force microscopy (MFM). By means of Lorentz microscopy we show that the dominating magnetization pattern of the disks is a vortex structure with closed flux lines in the plane of the disks. Complementary MFM measurements demonstrate that the magnetization in the center of the disks is tilted out of the plane of the disk. The experimental findings closely agree with corresponding micromagnetic calculations. (C) 2000 American Institute of Physics. [S0021-8979(00)02519-6].

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页码：4437 / 4439

页数：3

相关论文

共 16 条

[1] Switching of vertical giant magnetoresistance devices by current through the device [J].

Bussmann, K ;

Prinz, GA ;

Cheng, SF ;

Wang, D .

APPLIED PHYSICS LETTERS, 1999, 75 (16) :2476-2478

[2]

BUSSMANN LK, 1998, 43 ANN C MAGN MAGN M

[3] HIGH-RESOLUTION IMAGING OF MAGNETIC-STRUCTURES IN THE TRANSMISSION ELECTRON-MICROSCOPE [J].

CHAPMAN, JN .

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 1989, 3 (04) :355-358

[4] Single-domain circular nanomagnets [J].

Cowburn, RP ;

Koltsov, DK ;

Adeyeye, AO ;

Welland, ME ;

Tricker, DM .

PHYSICAL REVIEW LETTERS, 1999, 83 (05) :1042-1045

[5]

FREI EH, 1968, J APPL PHYS, V39, P993

[6] Domain configurations of nanostructured Permalloy elements [J].

Gomez, RD ;

Luu, TV ;

Pak, AO ;

Kirk, KJ ;

Chapman, JN .

JOURNAL OF APPLIED PHYSICS, 1999, 85 (08) :6163-6165

[7] Nanoscale magnetic domains in mesoscopic magnets [J].

Hehn, M ;

Ounadjela, K ;

Bucher, JP ;

Rousseaux, F ;

Decanini, D ;

Bartenlian, B ;

Chappert, C .

SCIENCE, 1996, 272 (5269) :1782-1785

[8] SPECIMEN PREPARATION TECHNIQUE FOR HIGH-RESOLUTION TRANSMISSION ELECTRON-MICROSCOPY STUDIES ON MODEL SUPPORTED METAL-CATALYSTS [J].

JACOBS, JWM ;

VERHOEVEN, JFCM .

JOURNAL OF MICROSCOPY-OXFORD, 1986, 143 :103-116

[9] PROPERTIES AND MEASUREMENT OF SCANNING TUNNELING MICROSCOPE FABRICATED FERROMAGNETIC PARTICLE ARRAYS (INVITED) [J].

KENT, AD ;

VONMOLNAR, S ;

GIDER, S ;

AWSCHALOM, DD .

JOURNAL OF APPLIED PHYSICS, 1994, 76 (10) :6656-6660

[10] Memory effects in individual submicrometer ferromagnets [J].

Lok, JGS ;

Geim, AK ;

Maan, JC ;

Dubonos, SV ;

Kuhn, LT ;

Lindelof, PE .

PHYSICAL REVIEW B, 1998, 58 (18) :12201-12206