Comprehensive spectroscopic determination of the crystal field splitting in an erbium single-ion magnet

Yvonne Rechkemmer; Julia E. Fischer; Raphael Marx; María Dörfel; Petr Neugebauer; Sebastian Horvath; Maren Gysler; Theis Brock-Nannestad; Wolfgang Frey; Michael F. Reid; Joris van Slageren

doi:10.1021/jacs.5b08344

Comprehensive spectroscopic determination of the crystal field splitting in an erbium single-ion magnet

Yvonne Rechkemmer, Julia E. Fischer, Raphael Marx, María Dörfel, Petr Neugebauer, Sebastian Horvath, Maren Gysler, Theis Brock-Nannestad, Wolfgang Frey, Michael F. Reid, Joris van Slageren

Department of Chemistry

71 Citations (Scopus)

Abstract

The electronic structure of a novel lanthanide-based single-ion magnet, {C(NH₂)₃}₅[Er(CO₃)₄]·11H₂O, was comprehensively studied by means of a large number of different spectroscopic techniques, including far-infrared, optical, and magnetic resonance spectroscopies. A thorough analysis, based on crystal field theory, allowed an unambiguous determination of all relevant free ion and crystal field parameters. We show that inclusion of methods sensitive to the nature of the lowest-energy states is essential to arrive at a correct description of the states that are most relevant for the static and dynamic magnetic properties. The spectroscopic investigations also allowed for a full understanding of the magnetic relaxation processes occurring in this system. Thus, the importance of spectroscopic studies for the improvement of single-molecule magnets is underlined.

Original language	English
Journal	Journal of the American Chemical Society
Volume	137
Issue number	40
Pages (from-to)	13114-13120
Number of pages	7
ISSN	0002-7863
DOIs	https://doi.org/10.1021/jacs.5b08344
Publication status	Published - 14 Oct 2015

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Rechkemmer, Y., Fischer, J. E., Marx, R., Dörfel, M., Neugebauer, P., Horvath, S., Gysler, M., Brock-Nannestad, T., Frey, W., Reid, M. F., & Slageren, J. V. (2015). Comprehensive spectroscopic determination of the crystal field splitting in an erbium single-ion magnet. Journal of the American Chemical Society, 137(40), 13114-13120. https://doi.org/10.1021/jacs.5b08344

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abstract = "The electronic structure of a novel lanthanide-based single-ion magnet, {C(NH2)3}5[Er(CO3)4]·11H2O, was comprehensively studied by means of a large number of different spectroscopic techniques, including far-infrared, optical, and magnetic resonance spectroscopies. A thorough analysis, based on crystal field theory, allowed an unambiguous determination of all relevant free ion and crystal field parameters. We show that inclusion of methods sensitive to the nature of the lowest-energy states is essential to arrive at a correct description of the states that are most relevant for the static and dynamic magnetic properties. The spectroscopic investigations also allowed for a full understanding of the magnetic relaxation processes occurring in this system. Thus, the importance of spectroscopic studies for the improvement of single-molecule magnets is underlined.",

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AU - Rechkemmer, Yvonne

AU - Fischer, Julia E.

AU - Marx, Raphael

AU - Dörfel, María

AU - Neugebauer, Petr

AU - Horvath, Sebastian

AU - Gysler, Maren

AU - Brock-Nannestad, Theis

AU - Frey, Wolfgang

AU - Reid, Michael F.

AU - Slageren, Joris van

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AB - The electronic structure of a novel lanthanide-based single-ion magnet, {C(NH2)3}5[Er(CO3)4]·11H2O, was comprehensively studied by means of a large number of different spectroscopic techniques, including far-infrared, optical, and magnetic resonance spectroscopies. A thorough analysis, based on crystal field theory, allowed an unambiguous determination of all relevant free ion and crystal field parameters. We show that inclusion of methods sensitive to the nature of the lowest-energy states is essential to arrive at a correct description of the states that are most relevant for the static and dynamic magnetic properties. The spectroscopic investigations also allowed for a full understanding of the magnetic relaxation processes occurring in this system. Thus, the importance of spectroscopic studies for the improvement of single-molecule magnets is underlined.

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JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

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ER -

Comprehensive spectroscopic determination of the crystal field splitting in an erbium single-ion magnet

Abstract

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