Controlled crystallization of Mn12 single-molecule magnets by compressed CO2 and its influence on the magnetization relaxation

María Muntó; Jordi Gómez-Segura; Javier Campo; Motohiro Nakano; Nora Ventosa; Daniel Ruiz-Molina; Jaume Veciana

doi:10.1039/B603497G

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Controlled crystallization of Mn₁₂ single-molecule magnets by compressed CO₂ and its influence on the magnetization relaxation†

María Muntó,^a Jordi Gómez-Segura,^a Javier Campo,^b Motohiro Nakano,^c Nora Ventosa,^a Daniel Ruiz-Molina*^a and Jaume Veciana*^a

Author affiliations

* Corresponding authors

^a Institut de Ciència de Materials de Barcelona (CSIC), Campus Universitari, Bellaterra, Catalonia, Spain
E-mail: vecianaj@icmab.es
Fax: +34 93 580 57 29
Tel: +34 93 580 18 53

^b Instituto de Ciencia de Materiales de Aragón, CSIC-Universidad de Zaragoza, C/Pedro Cerbuna 12, Zaragoza, Spain
Fax: +34 93 976 76 12 29
Tel: +34 34 976 76 27 42

^c Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Japan
E-mail: moto@ch.wani.osaka-u.ac.jp
Fax: +81 6 6879 4588
Tel: +81 6 6879 4588

Abstract

Micro- and sub-micro particles of complex [Mn₁₂O₁₂(O₂CC₆H₅)₁₆(H₂O)₄] (1) with controlled size and polymorphism have been prepared by dense-gas crystallization techniques, showing a remarkable particle size influence on the magnetization relaxation rates.

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Article information

DOI: https://doi.org/10.1039/B603497G
Article type: Paper
Submitted: 10 Mar 2006
Accepted: 08 May 2006
First published: 22 May 2006

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J. Mater. Chem., 2006,16, 2612-2617

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Controlled crystallization of Mn₁₂ single-molecule magnets by compressed CO₂ and its influence on the magnetization relaxation

M. Muntó, J. Gómez-Segura, J. Campo, M. Nakano, N. Ventosa, D. Ruiz-Molina and J. Veciana, J. Mater. Chem., 2006, 16, 2612 DOI: 10.1039/B603497G

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Journal of Materials Chemistry