Torque-Detected Electron Spin Resonance as a Tool to Investigate Magnetic Anisotropy in Molecular Nanomagnets
Abstract
:1. Introduction
2. Results
3. Discussion
4. Materials and Methods
Supplementary Materials
Acknowledgments
Author Contributions
Conflicts of Interest
Abbreviations
CTM | Cantilever Torque Magnetometry |
TDESR | Torque-Detected Electron Spin Resonance |
CD | Capacitively Detected |
OD | Optically Detected |
HFESR | High-Frequency Electron Spin Resonance |
MNM | Molecular NanoMagnet |
SQUID | Superconducting Quantum Interference Device |
References
- Gatteschi, D.; Sessoli, R.; Villain, J. Molecular Nanomagnets; Oxford University Press: Oxford, UK, 2006. [Google Scholar]
- Gatteschi, D.; Sessoli, R. Quantum tunneling of magnetization and related phenomena in molecular materials. Angew. Chem. Int. Ed. 2003, 42, 268–297. [Google Scholar] [CrossRef] [PubMed]
- Woodruff, D.N.; Winpenny, R.E.P.; Layfield, R.A. Lanthanide single-molecule magnets. Chem. Rev. 2013, 113, 5110–5148. [Google Scholar] [CrossRef] [PubMed]
- Aromí, G.; Aguila, D.; Gamez, P.; Luis, F.; Roubeau, O. Design of magnetic coordination complexes for quantum computing. Chem. Soc. Rev. 2012, 41, 537–546. [Google Scholar] [CrossRef] [PubMed]
- Liu, J.-L.; Chen, Y.-C.; Guo, F.-S.; Tong, M.-L. Recent advances in the design of magnetic molecules for use as cryogenic magnetic coolants. Coord. Chem. Rev. 2014, 281, 26–49. [Google Scholar] [CrossRef]
- Boulon, M.E.; Cucinotta, G.; Luzon, J.; Degl’Innocenti, C.; Perfetti, M.; Bernot, K.; Calvez, G.; Caneschi, A.; Sessoli, R. Magnetic anisotropy and spin-parity effect along the series of lanthanide complexes with DOTA. Angew. Chem. Int. Ed. 2013, 52, 350–354. [Google Scholar] [CrossRef] [PubMed]
- Perfetti, M.; Lucaccini, E.; Sorace, L.; Costes, J.P.; Sessoli, R. Determination of magnetic anisotropy in the Lntrensal complexes (Ln = Tb, Dy, Er) by torque magnetometry. Inorg. Chem. 2015, 54, 3090–3092. [Google Scholar] [CrossRef] [PubMed]
- Ray, K.; Begum, A.; Weyhermüller, T.; Piligkos, S.; van Slageren, J.; Neese, F.; Wieghardt, K. The electronic structure of the isoelectronic, square-planar complexes [FeII(L)2]2− and [CoIII(LBu)2]− (L2− and (LBu)2− = benzene-1,2-dithiolates): An experimental and density functional theoretical study. J. Am. Chem. Soc. 2005, 127, 4403–4415. [Google Scholar] [CrossRef] [PubMed]
- Haas, S.; Heintze, E.; Zapf, S.; Gorshunov, B.; Dressel, M.; Bogani, L. Direct observation of the discrete energy spectrum of two lanthanide-based single-chain magnets by far-infrared spectroscopy. Phys. Rev. B 2014, 89. [Google Scholar] [CrossRef]
- Furrer, A.; Waldmann, O. Magnetic cluster excitations. Rev. Mod. Phys. 2013, 85, 367–420. [Google Scholar] [CrossRef]
- Kofu, M.; Yamamuro, O.; Kajiwara, T.; Yoshimura, Y.; Nakano, M.; Nakajima, K.; Ohira-Kawamura, S.; Kikuchi, T.; Inamura, Y. Hyperfine structure of magnetic excitations in a Tb-based single-molecule magnet studied by high-resolution neutron spectroscopy. Phys. Rev. B 2013, 88. [Google Scholar] [CrossRef]
- Boča, R. Zero-field splitting in metal complexes. Coord. Chem. Rev. 2004, 248, 757–815. [Google Scholar] [CrossRef]
- Stoll, S. High-field EPR of bioorganic radicals. In Electron Paramagnetic Resonance: Volume 22; The Royal Society of Chemistry: Cambridge, UK, 2011; pp. 107–154. [Google Scholar]
- Gatteschi, D.; Barra, A.; Caneschi, A.; Cornia, A.; Sessoli, R.; Sorace, L. EPR of molecular nanomagnets. Coord. Chem. Rev. 2006, 250, 1514–1529. [Google Scholar] [CrossRef]
- Schweinfurth, D.; Rechkemmer, Y.; Hohloch, S.; Deibel, N.; Peremykin, I.; Fiedler, J.; Marx, R.; Neugebauer, P.; van Slageren, J.; Sarkar, B. Redox-induced spin-state switching and mixed valency in quinonoid-bridged dicobalt complexes. Chem. Eur. J. 2014, 20, 3475–3486. [Google Scholar] [CrossRef] [PubMed]
- Van Slageren, J.; Vongtragool, S.; Gorshunov, B.; Mukhin, A.A.; Karl, N.; Krzystek, J.; Telser, J.; Müller, A.; Sangregorio, C.; Gatteschi, D.; et al. Frequency-domain magnetic resonance spectroscopy of molecular magnetic materials. Phys. Chem. Chem. Phys. 2003, 5, 3837–3843. [Google Scholar] [CrossRef]
- Cornia, A.; Mannini, M. Single-molecule magnets on surfaces. In Molecular Nanomagnets and Related Phenomena; Gao, S., Ed.; Springer: Berlin/Heidelberg, Germany, 2015; pp. 293–330. [Google Scholar]
- Bogani, L.; Wernsdorfer, W. Molecular spintronics using single-molecule magnets. Nature Mater. 2008, 7, 179–186. [Google Scholar] [CrossRef] [PubMed]
- Van Slageren, J. New directions in electron paramagnetic resonance spectroscopy on molecular nanomagnets. Top. Curr. Chem. 2012, 321, 199–234. [Google Scholar] [PubMed]
- El Hallak, F.; van Slageren, J.; Dressel, M. Torque detected broad band electron spin resonance. Rev. Sci. Instrum. 2010, 81. [Google Scholar] [CrossRef] [PubMed]
- El Hallak, F.; Neugebauer, P.; Barra, A.L.; van Slageren, J.; Dressel, M.; Cornia, A. Torque-detected ESR of a tetrairon(III) single molecule magnet. J. Magn. Reson. 2012, 223, 55–60. [Google Scholar] [CrossRef] [PubMed]
- Takahashi, H.; Ohmichi, E.; Ohta, H. Mechanical detection of electron spin resonance beyond 1 THz. Appl. Phys. Lett. 2015, 107. [Google Scholar] [CrossRef]
- Rugar, D.; Budakian, R.; Mamin, H.J.; Chui, B.W. Single spin detection by magnetic resonance force microscopy. Nature 2004, 430, 329–332. [Google Scholar] [CrossRef] [PubMed]
- Cornia, A.; Gatteschi, D.; Sessoli, R. New experimental techniques for magnetic anisotropy in molecular materials. Coord. Chem. Rev. 2001, 219, 573–604. [Google Scholar] [CrossRef]
- El Hallak, F. Magnetic Anisotropy of Molecular Nanomagnets. Ph.D. Thesis, University of Stuttgart, Stuttgart, Germany, 25 August 2009. [Google Scholar]
- Kern, M. Optical Setup for Torque Detected Electron Spin Resonance Spectroscopy. Master’s Thesis, Brno University of Technology, Brno, Czech Republic, 22 June 2015. [Google Scholar]
- Cornia, A.; Affronte, M.; Jansen, A.G.M.; Gatteschi, D.; Caneschi, A.; Sessoli, R. Magnetic anisotropy of Mn-12-acetate nanomagnets from high-field torque magnetometry. Chem. Phys. Lett. 2000, 322, 477–482. [Google Scholar] [CrossRef]
- Dörfel, M. Single Crystal Studies of the Magnetic Anisotropy of Molecular Nanomagnets. Ph.D. Thesis, University of Stuttgart, Stuttgart, Germany, 29 January 2016. [Google Scholar]
- Barra, A.L.; Gatteschi, D.; Sessoli, R. High-frequency EPR spectra of a molecular nanomagnet: Understanding quantum tunneling of the magnetization. Phys. Rev. B 1997, 56, 8192–8198. [Google Scholar] [CrossRef]
- Tarantul, A.; Tsukerblat, B. The nanoscopic V15 cluster: A unique magnetic polyoxometalate. In Molecular Cluster Magnets; Winpenny, R., Ed.; World Scientific Publishing: Singapore, 2011; pp. 109–179. [Google Scholar]
- Chaboussant, G.; Ochsenbein, S.T.; Sieber, A.; Gudel, H.U.; Mutka, H.; Muller, A.; Barbara, B. Mechanism of ground-state selection in the frustrated molecular spin cluster V15. Europhys. Lett. 2004, 66, 423–429. [Google Scholar] [CrossRef]
- Chiorescu, I.; Wernsdorfer, W.; Müller, A.; Miyashita, S.; Barbara, B. Adiabatic Landau-Zener-Stuckelberg transition with or without dissipation in the low-spin molecular system V15. Phys. Rev. B 2003, 67. [Google Scholar] [CrossRef]
- Tsukerblat, B.; Tarantul, A.; Müller, A. Low temperature EPR spectra of the mesoscopic cluster V15: The role of antisymmetric exchange. J. Chem. Phys. 2006, 125. [Google Scholar] [CrossRef] [PubMed]
- Gysler, M.; Schlegel, C.; Mitra, T.; Müller, A.; Krebs, B.; van Slageren, J. Spin-forbidden transitions in the molecular nanomagnet V15. Phys. Rev. B 2014, 90. [Google Scholar] [CrossRef]
- Vongtragool, S.; Gorshunov, B.; Mukhin, A.A.; van Slageren, J.; Dressel, M.; Müller, A. High-frequency magnetic spectroscopy on the molecular magnetic cluster V15. Phys. Chem. Chem. Phys. 2003, 5, 2778–2782. [Google Scholar] [CrossRef]
- Bader, K.; Dengler, D.; Lenz, S.; Endeward, B.; Jiang, S.-D.; Neugebauer, P.; van Slageren, J. Room temperature quantum coherence in a potential molecular qubit. Nat. Commun. 2014, 5. [Google Scholar] [CrossRef] [PubMed]
- Gregoli, L.; Danieli, C.; Barra, A.-L.; Neugebauer, P.; Pellegrino, G.; Poneti, G.; Sessoli, R.; Cornia, A. Magnetostructural correlations in tetrairon(III) single-molecule magnets. Chem. Eur. J. 2009, 15, 6456–6467. [Google Scholar] [CrossRef] [PubMed]
- Eppley, H.J.; Christou, G. Synthesis of dodecaoxohexadecacarboxylatotetraaquo-dodecamanganese [Mn12O12(O2CR)16(H2O)4] (R = Me, Et, Ph, CR) complexes. Inorg. Synth. 2002, 33, 61–66. [Google Scholar]
- Müller, A.; Döring, J. A novel heterocluster with D3-symmetry containing twenty-one core atoms: [As6V15O42(H2O)]6−. Angew. Chem. Int. Ed. Engl. 1988, 27. [Google Scholar] [CrossRef]
© 2016 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
Share and Cite
Dörfel, M.; Kern, M.; Bamberger, H.; Neugebauer, P.; Bader, K.; Marx, R.; Cornia, A.; Mitra, T.; Müller, A.; Dressel, M.; et al. Torque-Detected Electron Spin Resonance as a Tool to Investigate Magnetic Anisotropy in Molecular Nanomagnets. Magnetochemistry 2016, 2, 25. https://doi.org/10.3390/magnetochemistry2020025
Dörfel M, Kern M, Bamberger H, Neugebauer P, Bader K, Marx R, Cornia A, Mitra T, Müller A, Dressel M, et al. Torque-Detected Electron Spin Resonance as a Tool to Investigate Magnetic Anisotropy in Molecular Nanomagnets. Magnetochemistry. 2016; 2(2):25. https://doi.org/10.3390/magnetochemistry2020025
Chicago/Turabian StyleDörfel, María, Michal Kern, Heiko Bamberger, Petr Neugebauer, Katharina Bader, Raphael Marx, Andrea Cornia, Tamoghna Mitra, Achim Müller, Martin Dressel, and et al. 2016. "Torque-Detected Electron Spin Resonance as a Tool to Investigate Magnetic Anisotropy in Molecular Nanomagnets" Magnetochemistry 2, no. 2: 25. https://doi.org/10.3390/magnetochemistry2020025