Mario Ruben
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View article: Leveraging 3d‐4f Coordination: Molecular Quantum Spring‐Magnet Behavior in Axial Ni <sub>2</sub> Ln Complexes
Leveraging 3d‐4f Coordination: Molecular Quantum Spring‐Magnet Behavior in Axial Ni <sub>2</sub> Ln Complexes Open
We report heterotrimetallic 3d–4f complexes, mimicking classical exchange spring magnets at the molecular scale. The complexes feature a linear Ni···Ln···Ni core, where the lanthanide ion is sandwiched between two Ni 2+ centers coordinated…
View article: Magnetic properties of monomeric and polymeric stannolediide yttrium and erbium complexes
Magnetic properties of monomeric and polymeric stannolediide yttrium and erbium complexes Open
Lanthanide sandwich complexes are promising candidates for single-molecule magnets, owing to their magnetic anisotropy and slow relaxation of magnetization. Here we show the synthesis and characterization of the polymeric yttrium and erbiu…
View article: Metalloporphyrin‐Based Cathode for Rechargeable Magnesium‐Ion Batteries: Copper Leaching and Interphase Formation
Metalloporphyrin‐Based Cathode for Rechargeable Magnesium‐Ion Batteries: Copper Leaching and Interphase Formation Open
[5,15‐bis(ethynyl)‐10,20‐diphenylporphinato]copper(II) (CuDEPP) composite cathodes for rechargeable magnesium‐ion batteries have been investigated before, after, and during initial cycling (pristine, first charging, and consecutive dischar…
View article: On‐Surface Indigo‐Based Bimolecular Coordination Networks with Programmable Regular or Vitreous Structure
On‐Surface Indigo‐Based Bimolecular Coordination Networks with Programmable Regular or Vitreous Structure Open
Fabrication of diverse and complex 2D molecular architectures using surface‐confined supramolecular coordination chemistry has been continuously attracting considerable attention for years. Here, the on‐surface synthesis of 2D coordination…
View article: Optically detected nuclear magnetic resonance of coherent spins in a molecular complex
Optically detected nuclear magnetic resonance of coherent spins in a molecular complex Open
Nuclear magnetic resonance (NMR) is a powerful tool for applications ranging from chemical analysis to quantum information processing. Achieving optical initialization and detection of molecular nuclear spins promises new opportunities - i…
View article: Re-Examination of the Relaxation Dynamics of [TbPc<sub>2</sub>][NBu<sub>4</sub>]
Re-Examination of the Relaxation Dynamics of [TbPc<sub>2</sub>][NBu<sub>4</sub>] Open
Slow magnetic relaxation in monometallic single-molecule magnets containing Kramers ions in the lanthanide series are reasonably well understood. However, less work has been performed on the non-Kramers ions of the series, especially in th…
View article: Bonding Features and Magnetic Ordering in Thiolate‐Bridged Copper‐Nickel Clusters Synthesized at Elevated Temperature
Bonding Features and Magnetic Ordering in Thiolate‐Bridged Copper‐Nickel Clusters Synthesized at Elevated Temperature Open
Atomically‐precise heterometallic nickel‐based clusters are an emerging class of functional nanomaterials with intriguing optical and magnetic properties. However, synthetic challenges restrict their exploration in comparison to heterometa…
View article: Roadmap on atomically-engineered quantum platforms
Roadmap on atomically-engineered quantum platforms Open
Matter at the atomic-scale is inherently governed by the laws of quantum mechanics. This makes charges and spins confined to individual atoms—and interactions among them—an invaluable resource for fundamental research and quantum technolog…
View article: Nonlinearity of the Fidelity in Open Qudit Systems: Gate and Noise Dependence in High-dimensional Quantum Computing
Nonlinearity of the Fidelity in Open Qudit Systems: Gate and Noise Dependence in High-dimensional Quantum Computing Open
High-dimensional quantum computing has generated significant interest due to its potential to address scalability and error correction challenges faced by traditional qubit-based systems. This paper investigates the Average Gate Fidelity (…
View article: Exploring superconductivity under strong coupling with the vacuum electromagnetic field
Exploring superconductivity under strong coupling with the vacuum electromagnetic field Open
Strong light–matter interactions have generated considerable interest as a means to manipulate material properties. Here, we explore this possibility with the molecular superconductor Rb3C60 under vibrational strong coupling (VSC) to surfa…
View article: Code and Data for "Nonlinearity of the Fidelity in Open Qudit Systems: Gate and Noise Dependence in High-dimensional Quantum Computing"
Code and Data for "Nonlinearity of the Fidelity in Open Qudit Systems: Gate and Noise Dependence in High-dimensional Quantum Computing" Open
This project provides the source code and data used for simulating, analysing and generating the results presented in the article "Nonlinearity of the Fidelity in Open Qudit Systems: Gate and Noise Dependence in High-dimensional Quantum Co…
View article: Transferability of Ligand Field Parameters in a Family of 3d-4f M<sub>2</sub>Ln<sub>2</sub> Butterfly Single-Molecule Magnets
Transferability of Ligand Field Parameters in a Family of 3d-4f M<sub>2</sub>Ln<sub>2</sub> Butterfly Single-Molecule Magnets Open
Lanthanide-based single-molecule magnets are attractive candidates for applications in quantum information processing or data storage. The low symmetry ligand field environment often encountered in these complexes, combined with a sparsity…
View article: Di- and trivalent Bis(stannolediides) of Dysprosium and Terbium: A novel class of High-Performance Single Molecule Magnets
Di- and trivalent Bis(stannolediides) of Dysprosium and Terbium: A novel class of High-Performance Single Molecule Magnets Open
Two isostructural homoleptic η5-stannole complexes of trivalent lanthanides [Ln(η5-LSn)2K(thf)4], where Ln = Tb, Dy and LSn = [1,4-bis-(tert-butyl-dimethylsilyl)-2,3-bis-phenyl-stannolediide], have been synthesized via salt metathesis of t…
View article: Isocrystals and de Rham-Witt connections
Isocrystals and de Rham-Witt connections Open
We introduce the notion of integrable connections for a sheaf of differential graded algebras on a topological space. We then describe them in the finite locally projective setting, when the sheaf is either the de Rham complex of a formal …
View article: Photoluminescence and self-assembly of three different Eu complexes
Photoluminescence and self-assembly of three different Eu complexes Open
Photoluminescence and self-assembly of Eu complexes on Au(111). We explore the PL and surface assembly of three Eu 3+ complexes on Au(111) using STM, revealing ordered structures and photophysical behavior relevant to sensing and optoelect…
View article: CCDC 2386981: Experimental Crystal Structure Determination
CCDC 2386981: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Spin-bearing molecules as optically addressable platforms for quantum technologies
Spin-bearing molecules as optically addressable platforms for quantum technologies Open
Efforts to harness quantum hardware relying on quantum mechanical principles have been steadily progressing. The search for novel material platforms that could spur the progress by providing new functionalities for solving the outstanding …
View article: Self‐Assembly of four Ni<sub>16</sub> Molecular Wheels with Capsule and Tubular Supramolecular Architectures
Self‐Assembly of four Ni<sub>16</sub> Molecular Wheels with Capsule and Tubular Supramolecular Architectures Open
Four new Ni 16 molecular wheels with the general formula [ L 4 Ni 16 (RCOO) 16 (H 2 O) x (MeOH) 12‐x ] (where H 4 L =1,4‐bis(( E )‐((2’‐hydroxybenzyl)imino)methyl)‐2,3‐naphthalenediol, and R=H or Me) have been isolated and structurally cha…
View article: Spectral Hole‐Burning Studies of a Mononuclear Eu(III) Complex Reveal Narrow Optical Linewidths of the <sup>5</sup>D<sub>0</sub>→<sup>7</sup>F<sub>0</sub> Transition and Seconds Long Nuclear Spin Lifetimes
Spectral Hole‐Burning Studies of a Mononuclear Eu(III) Complex Reveal Narrow Optical Linewidths of the <sup>5</sup>D<sub>0</sub>→<sup>7</sup>F<sub>0</sub> Transition and Seconds Long Nuclear Spin Lifetimes Open
Coordination complexes of rare‐earth ions (REI) show optical transitions with narrow linewidths enabling the creation of coherent light‐matter interfaces for quantum information processing (QIP) applications. Among the REI‐based complexes,…
View article: Levamisole Based Co(II) Single‐Ion Magnet
Levamisole Based Co(II) Single‐Ion Magnet Open
A new Co(II) complex, [Co(NCS) 2 (L) 2 ] ( 1 ) has been synthesized based on levamisole (L) as a new ligand. Single‐crystal X‐ray diffraction analyses confirm that the Co(II) ion is having a distorted tetrahedral coordination geometry in t…
View article: Unconventional Band Structure via Combined Molecular Orbital and Lattice Symmetries in a Surface‐Confined Metallated Graphdiyne Sheet
Unconventional Band Structure via Combined Molecular Orbital and Lattice Symmetries in a Surface‐Confined Metallated Graphdiyne Sheet Open
Graphyne (GY) and graphdiyne (GDY)‐based monolayers represent the next generation 2D carbon‐rich materials with tunable structures and properties surpassing those of graphene. However, the detection of band formation in atomically thin GY/…
View article: Yb-to-Eu Cooperative Sensitization Upconversion in a Multifunctional Molecular Nonanuclear Lanthanide Cluster in Solution
Yb-to-Eu Cooperative Sensitization Upconversion in a Multifunctional Molecular Nonanuclear Lanthanide Cluster in Solution Open
Lanthanide metal clusters excel in combining molecular and material chemistry properties. Here, we report an efficient cooperative sensitization UC phenomenon of a Eu3+/Yb3+ nonanuclear lanthanide cluster in CD3OD. The synthesis and charac…
View article: Graphical Abstract: Angew. Chem. Int. Ed. 17/2024
Graphical Abstract: Angew. Chem. Int. Ed. 17/2024 Open
In their Research Article (e202319677), Alessandro Porchetta et al. rationally designed PAM-engineered DNA hairpins as input-responsive activators of Cas12a.By utilizing the trans-cleavage activity of Cas12a as a signal transduction method…
View article: Unraveling Enyne Bonding via Dehydrogenation–Hydrogenation Processes in On‐Surface Synthesis with Terminal Alkynes
Unraveling Enyne Bonding via Dehydrogenation–Hydrogenation Processes in On‐Surface Synthesis with Terminal Alkynes Open
On‐surface reactions of terminal alkynes in ultrahigh vacuum have attracted widespread attention due to their high technological promise. However, employing different precursors and substrate materials often intricate reaction schemes appe…
View article: Selective Transition Enhancement in a <i>g</i>‐Engineered Diradical
Selective Transition Enhancement in a <i>g</i>‐Engineered Diradical Open
A diradical with engineered g ‐asymmetry was synthesized by grafting a nitroxide radical onto the [Y(Pc) 2 ]⋅ radical platform. Various spectroscopic techniques and computational studies revealed that the electronic structures of the two s…
View article: Cover Picture: Unique Double and Triple Decker Arrangements of Rare‐Earth 9,10‐Diborataanthracene Complexes Featuring Single‐Molecule Magnet Characteristics (Angew. Chem. Int. Ed. 17/2024)
Cover Picture: Unique Double and Triple Decker Arrangements of Rare‐Earth 9,10‐Diborataanthracene Complexes Featuring Single‐Molecule Magnet Characteristics (Angew. Chem. Int. Ed. 17/2024) Open
An erbium triple-decker complex featuring a 9,10-diborataanthracene middle deck and two substituted cycloocatetraene outer decks is depicted on the cover. The magnetic interaction between the two erbium ions are highlighted, since the titl…