The route to single magnetic particle detection: a carbon nanotube decorated with a finite number of nanocubes

被引:12
作者
Rod, Irina [2 ,3 ]
Kazakova, Olga [1 ]
Cox, David C. [1 ,4 ]
Spasova, Marina [2 ,3 ]
Farle, Michael [2 ,3 ]
机构
[1] Natl Phys Lab, Teddington TW11 0LW, Middx, England
[2] Ctr Nanointegrat, Fachbereich Phys, D-47048 Duisburg, Germany
[3] Univ Duisburg Essen, D-47048 Duisburg, Germany
[4] Univ Surrey, Adv Technol Inst, Guildford GU2 7XH, Surrey, England
关键词
NANOPARTICLES; BUNDLES;
D O I
10.1088/0957-4484/20/33/335301
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
We propose an experimental technique that allows us a straightforward and reliable fabrication of magnetic and electromechanical nanodevices for single particle detection and characterization. We demonstrate three different experimental methods for fabrication of nanoscale devices consisting of either single or multiwall carbon nanotubes bridging metallic electrodes and decorated with magnetic iron/iron oxide nanocubes with a size of 18 nm. Electrical characterization of the devices as well as structural and magnetic investigations of nanoparticles are reported. In particular, the proposed method based on measurements of the magnetic resonance in a single nanoparticle will enable dynamic magnetic resonance measurements on a single magnetic nanoparticle with a moment of similar to 10(5) mu(B) that are not
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页数:5
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