2024-03-29T21:53:50Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/445182016-05-03T07:49:00Zcom_10261_31com_10261_3com_10261_10252col_10261_284col_10261_10253
Alternating current magnetic susceptibility of a molecular magnet submonolayer directly patterned onto a micro superconducting quantum interference device
Martínez Pérez, M. J.
Bellido, Elena
Sesé Monclús, Javier
Drung, D.
Schurig, T.
Ruiz Molina, Daniel
Luis, Fernando
Ministerio de Ciencia e Innovación (España)
Consejo Superior de Investigaciones Científicas (España)
European Commission
Fundación Agencia Aragonesa para la Investigación y el Desarrollo
3 páginas, 3 figuras.-- et al.
We report the controlled integration, via dip pen nanolithography, of monolayer dots of ferritin-based CoO nanoparticles (12 μB) into the most sensitive areas of a microSQUID sensor. The nearly optimum flux coupling between these nanomagnets and the microSQUID improves the achievable sensitivity by a factor 102, enabling us to measure the linear susceptibility of the molecular array down to very low temperatures (13 mK). This method opens the possibility of applying ac susceptibility experiments to characterize two-dimensional arrays of single molecule magnets within a wide range of temperatures and frequencies.
This work was partly funded by Grant No. MAT2009-
13977-C03 of the Spanish MICINN and the Consolider-
Ingenio project on Molecular Nanoscience. M.J.M.-P. thanks
CSIC for a JAE predoctoral fellowship. E.B. and R.dM.
thank the MICINN for FPI and FPU predoctoral grants. A.L.
thanks ARAID for financial support.
Peer reviewed
2012-01-20T10:54:25Z
2012-01-20T10:54:25Z
2011-07
artículo
http://purl.org/coar/resource_type/c_6501
Applied Physics Letters 99(3): 032504 (2011)
0003-6951
http://hdl.handle.net/10261/44518
10.1063/1.3609859
1077-3118
http://dx.doi.org/10.13039/501100004837
http://dx.doi.org/10.13039/501100003339
http://dx.doi.org/10.13039/501100000780
http://dx.doi.org/10.13039/501100008767
en
http://dx.doi.org/10.1063/1.3609859
open
American Institute of Physics