Issue 24, 2013
From the journal:

Nanoscale

Mn12 single molecule magnets deposited on μ-SQUID sensors: the role of interphases and structural modifications†

Elena Bellido,ab   Pablo González-Monje,ab   Ana Repollés,c   Mark Jenkins,c   Javier Sesé,c   Dietmar Drung,d   Thomas Schurig,d   Kunio Awaga,e   Fernando Luis*c  and  Daniel Ruiz-Molina*ab  

* Corresponding authors

a ICN2 Institut Catala de Nanociencia i Nanotecnologia, Campus UAB, 08193 Bellaterra (Barcelona), Spain
E-mail: druiz@cin2.es
Fax: +34 935813717

b CSIC - Consejo Superior de Investigaciones Cientificas, ICN2 Building, Campus UAB, 08193 Bellaterra (Barcelona), Spain

c Instituto de Ciencia de Materiales de Aragón, CSIC – Universidad de Zaragoza, 50009 Zaragoza, Spain
E-mail: fluis@unizar.es

d Physikalisch-Technische Bundesanstalt (PTB), 10587 Berlin, Germany

e Research Center for Materials Science and Department of Chemistry, Nagoya University, Nagoya 464-8602, Japan

Abstract

Direct measurements of the linear ac susceptibility and magnetic relaxation of a few Mn12 monolayers deposited on a μ-SQUID sensor are reported. In order to integrate the molecules into the device, DPN has been the technique of choice. It enabled the structuration of the molecules on the most sensitive areas of the sensor without the need for any previous functionalization of the molecule or the substrate, while controlling the number of molecular units deposited on each array. The measurements reveal that their characteristic SMM behaviour is lost, a fact that is attributed to molecular distortions originated by the strong surface tensions arising at the molecular interphases.

Graphical abstract: Mn12 single molecule magnets deposited on μ-SQUID sensors: the role of interphases and structural modifications

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Article information

DOI
https://doi.org/10.1039/C3NR02359A
Article type
Paper
Submitted
08 May 2013
Accepted
10 Aug 2013
First published
13 Sep 2013
This article is Open Access
Creative Commons BY license

Nanoscale, 2013,5, 12565-12573

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Mn12 single molecule magnets deposited on μ-SQUID sensors: the role of interphases and structural modifications

E. Bellido, P. González-Monje, A. Repollés, M. Jenkins, J. Sesé, D. Drung, T. Schurig, K. Awaga, F. Luis and D. Ruiz-Molina, Nanoscale, 2013, 5, 12565 DOI: 10.1039/C3NR02359A

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