Chemical tailoring of Single Molecule Magnet behavior in films of Dy(III) dimers

• Published in: Applied surface science Vol. 432; no. Part A; pp. 7 - 14
• Main Authors: Cimatti, Irene, Yi, Xiaohui, Sessoli, Roberta, Puget, Marin, Guennic, Boris Le, Jung, Julie, Guizouarn, Thierry, Magnani, Agnese, Bernot, Kevin, Mannini, Matteo
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 28.02.2018; Elsevier
• Subjects: Chemical Sciences; Dysprosium; Magnetic bistability; OMBD; Single Molecule Magnet; Thin film; ToF-SIMS; X-ray photoelectron spectroscopy; Single Molecule Magnet; ToF-SIMS; OMBD; Magnetic bistability; Dysprosium; X-ray photoelectron spectroscopy; Thin film
• ISSN: 0169-4332; 1873-5584
• DOI: 10.1016/j.apsusc.2017.06.024

•Chemical tuning of the structure of a Dy-dimer enhances its Single Molecule Magnet behavior.•The new complex can be sublimated intact as thin film.•The magnetic behavior of the complex is fully preserved after the sublimation. The insertion of Single Molecule Magnets (SMMs) in spintronic devices has drawn much attention thanks to their fascinating quantum and classical magnetic properties. Although many efforts have been done in this direction, we are still in search of optimal molecules, which preserve intact the magnetic bistability at the nanoscale. In this frame, we have synthesized a new dysprosium-based dimer characterized by SMM behavior and a double-butterfly-shape hysteresis. The complex has been successfully deposited by sublimation in high vacuum and the peculiar SMM behavior of the complex is fully retained at the nanoscale demonstrating that a modification of the dimer structure aimed for enhancing the SMM character is compatible with nanostructuration purposes.