Observation of intrinsic magnetic domains in C60 polymer

被引：53
作者：
Han, KH
Spemann, D
Höhne, R
Setzer, A
Makarova, T
Esquinazi, P
Butz, T
机构：
[1] Univ Leipzig, Dept Superconduct & Magnetism, Inst Expt Phys 2, D-04103 Leipzig, Germany
[2] Univ Leipzig, Dept Nucl Solid State Phys, Inst Expt Phys 2, D-04103 Leipzig, Germany
[3] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
[4] Umea Univ, Dept Expt Phys, S-90187 Umea, Sweden
来源：
CARBON | 2003年 / 41卷 / 04期
关键词：
fullerene; magnetic properties;
D O I：
10.1016/S0008-6223(02)00401-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A C-60 polymer has been characterized for the first time with respect to impurity content and ferromagnetic properties by laterally resolved particle induced X-ray emission (PIXE), superconducting quantum interference device (SQUID) and magnetic force microscope (MFM) in order to detect intrinsic ferromagnetic domains, In parts of the pure regions (concentration of magnetic impurities <1 mug/g), we found stripe-domain magnetic images with different orientations of domain magnetization. The size of the regions where magnetic domains were observed is similar to30% of the pure region. All these results reveal that the polymerized C-60 sample is a mixture of magnetic and non-magnetic parts and only a fraction of the sample contributes to the ferromagnetism. (C) 2002 Elsevier Science Ltd. All rights reserved.
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收藏
页码：785 / 795
页数：11
相关论文
共 34 条
[1]   FREQUENCY-MODULATION DETECTION USING HIGH-Q CANTILEVERS FOR ENHANCED FORCE MICROSCOPE SENSITIVITY [J].
ALBRECHT, TR ;
GRUTTER, P ;
HORNE, D ;
RUGAR, D .
JOURNAL OF APPLIED PHYSICS, 1991, 69 (02) :668-673
[2]   Magnetic force microscopy study of dense stripe domains in Fe-B/Co-Si-B multilayers and the evolution under an external applied field [J].
Asenjo, A ;
García, D ;
García, JM ;
Prados, C ;
Vázquez, M .
PHYSICAL REVIEW B, 2000, 62 (10) :6538-6544
[3]   Field-dependence of microscopic probes in magnetic force microscopy [J].
Babcock, KL ;
Elings, VB ;
Shi, J ;
Awschalom, DD ;
Dugas, M .
APPLIED PHYSICS LETTERS, 1996, 69 (05) :705-707
[4]   Experiments on the nature of ferromagnetism [J].
Bitter, F .
PHYSICAL REVIEW, 1932, 41 (04) :507-515
[5]  
Blundell S. J., 2002, J PHYS CONDENS MATT, V14, pV1
[6]   Ferromagnetism of a graphite nodule from the Canyon Diablo meteorite [J].
Coey, JMD ;
Venkatesan, M ;
Fitzgerald, CB ;
Douvalis, AP ;
Sanders, IS .
NATURE, 2002, 420 (6912) :156-159
[7]   Nitrogen substitution of carbon in graphite: Structure evolution toward molecular forms [J].
dos Santos, MC ;
Alvarez, F .
PHYSICAL REVIEW B, 1998, 58 (20) :13918-13924
[8]  
Esquinazi P, 2002, PHYS REV B, V66, DOI 10.1103/PhysRevB.66.024429
[9]   Localized micromagnetic perturbation of domain walls in magnetite using a magnetic force microscope [J].
Foss, S ;
Proksch, R ;
Dahlberg, ED ;
Moskowitz, B ;
Walsh, B .
APPLIED PHYSICS LETTERS, 1996, 69 (22) :3426-3428
[10]   MAGNETIC DOMAINS ON SILICON IRON BY THE LONGITUDINAL KERR EFFECT [J].
FOWLER, CA ;
FRYER, EM .
PHYSICAL REVIEW, 1952, 86 (03) :426-426
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