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Peer-reviewedCC BY 4.0Inorganic Chemistry

Tuning Crystal Field and Spin Dynamics in Gd(III) Complexes via Coordination Geometry

  • Corina Rodríguez-Esteban1,2,3
  • Daiana Cabrosi1
  • Beñat Artetxe4
  • Luis Lezama4
  • Mathieu Gonidec2
  • Itziar Oyarzabal1,5
5 affiliations
  1. 1Basque Center for Materials, Applications and Nanostructures, BCMaterials, 48940 Leioa, Spain
  2. 2CNRS, Bordeaux INP, ICMCB, UMR 5026, Université Bordeaux, 33600 Pessac, France
  3. 3Departamento de Química Aplicada y Materiales Poliméricos, Facultad de Química, Universidad del País Vasco EHU, 20018 Donostia-San Sebastián, Spain
  4. 4Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco EHU, 48080 Bilbao, Spain
  5. 5IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain
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Abstract

Lanthanide-based complexes with high spin are fascinating candidates for realizing spin qubits thanks to their intrinsic multilevel structure, which offers a larger number of accessible states for storing and processing information. Among the 4f series, GdIII, presenting an almost negligible anisotropy and S = 7/2, is particularly interesting for this purpose. Herein, we report on the GdIII-based compound [ZnCl­(μ-L)­Gd­(μ-L)­ClZn]­PF6 (H2L = N,N′-dimethyl-N,N′-bis­(2-hydroxy-3-formyl-5-bromobenzyl)­ethylene-diamine), which displays slow relaxation of the magnetization and behaves as a qubit, thereby expanding the still scarce catalogue of Gd-based molecular systems exhibiting both properties. The potential of this system for quantum computing has been explored through Q-band pulsed electron paramagnetic resonance on different diamagnetically diluted derivatives, revealing spin–lattice (T 1) and phase memory (T m) times up to 249.3 and 4.938 μs at 5 K, respectively, and Rabi oscillations persisting up to 120 K.

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Cite

BibTeXRIS
BibTeX
@article{rodriguezesteban2026tuning,
  title = {{Tuning Crystal Field and Spin Dynamics in Gd(III) Complexes via Coordination Geometry}},
  author = {Corina Rodríguez-Esteban and Daiana Cabrosi and Beñat Artetxe and Luis Lezama and Mathieu Gonidec and Itziar Oyarzabal},
  journal = {Inorganic Chemistry},
  year = {2026},
  month = oct,
  doi = {10.1021/acs.inorgchem.6c03603},
  url = {https://doi.org/10.1021/acs.inorgchem.6c03603},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Tuning Crystal Field and Spin Dynamics in Gd(III) Complexes via Coordination Geometry
AU  - Corina Rodríguez-Esteban
AU  - Daiana Cabrosi
AU  - Beñat Artetxe
AU  - Luis Lezama
AU  - Mathieu Gonidec
AU  - Itziar Oyarzabal
PY  - 2026
DA  - 2026/10/13
JO  - Inorganic Chemistry
DO  - 10.1021/acs.inorgchem.6c03603
UR  - https://doi.org/10.1021/acs.inorgchem.6c03603
AB  - Lanthanide-based complexes with high spin are fascinating candidates for realizing spin qubits thanks to their intrinsic multilevel structure, which offers a larger number of accessible states for storing and processing information. Among the 4f series, GdIII, presenting an almost negligible anisotropy and S = 7/2, is particularly interesting for this purpose. Herein, we report on the GdIII-based compound [ZnCl­(μ-L)­Gd­(μ-L)­ClZn]­PF6 (H2L = N,N′-dimethyl-N,N′-bis­(2-hydroxy-3-formyl-5-bromobenzyl)­ethylene-diamine), which displays slow relaxation of the magnetization and behaves as a qubit, thereby expanding the still scarce catalogue of Gd-based molecular systems exhibiting both properties. The potential of this system for quantum computing has been explored through Q-band pulsed electron paramagnetic resonance on different diamagnetically diluted derivatives, revealing spin–lattice (T 1) and phase memory (T m) times up to 249.3 and 4.938 μs at 5 K, respectively, and Rabi oscillations persisting up to 120 K.
SN  - 0020-1669
SN  - 1520-510X
ER  -