NANOMAG-SQ

Magnetic imaging of individual nanomagnets

Coordinatore	BAR ILAN UNIVERSITY    more  Organization address address: BAR ILAN UNIVERSITY CAMPUS city: RAMAT GAN postcode: 52900 contact info Titolo: Ms. Nome: Estelle Cognome: Waise Email: send email Telefono: +972 3 531 7439 Fax: +972 3 635 3277
Nazionalità Coordinatore	Israel [IL]
Totale costo	100˙000 €
EC contributo	100˙000 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2012-CIG
Funding Scheme	MC-CIG
Anno di inizio	2013
Periodo (anno-mese-giorno)	2013-03-01   -   2017-02-28

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	BAR ILAN UNIVERSITY  Organization address address: BAR ILAN UNIVERSITY CAMPUS city: RAMAT GAN postcode: 52900 contact info Titolo: Ms. Nome: Estelle Cognome: Waise Email: send email Telefono: +972 3 531 7439 Fax: +972 3 635 3277	IL (RAMAT GAN)	coordinator	100˙000.00

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 Obiettivo del progetto (Objective)

'Magnetic nanoparticles have a number of present and proposed applications in biology and medicine, such as bio-separation, drug delivery, magnetic resonance imaging and hyperthermia cancer treatment, as well as important role in future high density data storage and spintronic devices. Therefore, there is high interest and strong need to characterize them properly. So far the common characterization method has been to measure a large number of them together in order to accumulate sufficient signal. This is problematic because the magnetic properties of nanomagnets are inherently sensitive to small variations in volume, shape and structure, and this strong variability is averaged in the bulk. It is therefore vital to characterize nanomagnets individually. Successful experiments are rare and required extensive efforts to characterize one single particle. I propose to use a scanning SQUID with sufficient sensitivity and spatial resolution to detect an individual nanomagnet and use the scanning capability to sample many individuals to gain statistics about the variability of their physical properties. In addition to establishing a breakthrough characterization tool, I plan to address physical questions of interest such as the nature of the interactions between small numbers of particles, the dynamics of these particles and the distribution of physical properties. To accomplish this we need an extremely high moment sensitivity, sufficient spatial resolution, minimal magnetic influence of the probe on the particle, and access to various temperatures. These requirements point to the SQUID as an ideal candidate for this task. In the framework of this grant I plan to investigate two types of nanomagnets: FePt particles, which are candidates for biomedical applications; and CoFe dots fabricated on multiferroic materials for electric-field control of local ferromagnetism. The latter is of high interest for memory and logic device applications.'