Spin-State Papers

Overview of the characterization technique groups for submicroscopic structures from the micro-nano to atomic scale - PubMed Structural characterization is essentially important in chemistry and materials science research, especially submicroscopic characterization from the micro-nano to atomic scale, which is a powerful foundation...

Overview of the characterization technique groups for submicroscopic structures from the micro-nano to atomic scale

Activation of Cascade Pathway for Oxygen Reduction via 4f-3d Orbital Ladder-Driven Dual-Site Synergy - PubMed The oxygen reduction reaction (ORR) remains a major obstacle in green electrochemical energy conversion, driving the pursuit of cost-effective noble-metal-free catalysts. Transition metal (TM) and rare-earth...

Activation of Cascade Pathway for Oxygen Reduction via 4f-3d Orbital Ladder-Driven Dual-Site Synergy

Dark-to-Bright Exciton Transition in 2D Janus Excitonic Semiconductors via Metal Cation Alloying - PubMed Monolayer Janus transition metal dichalcogenides (TMDs) are intrinsically polarized two-dimensional (2D) semiconductors with broken mirror symmetry, offering additional degrees of freedom for exciton...

Dark-to-Bright Exciton Transition in 2D Janus Excitonic Semiconductors via Metal Cation Alloying

Physicochemical Properties of Hematite Nanoparticles Obtained via Thermogravimetric Conversion of Biosynthesized Nanomaghemite - PubMed Hematite nanoparticles (α-Fe2O3 NPs) were synthesized through a thermal conversion of synthetic and biosynthesized nanomaghemite (γ-Fe2O3 NPs) precursors. X-ray diffraction data confirmed phase-pure...

Physicochemical Properties of Hematite Nanoparticles Obtained via Thermogravimetric Conversion of Biosynthesized Nanomaghemite

The flexible behaviour of a trigonal arylimido iron complex - PubMed A trigonal arylimido iron complex is reported, which is found in an intermediate spin state. The iron bound imido unit is electronically flexible and acts as a nucleophile, reductant, or H atom abstractor....

The flexible behaviour of a trigonal arylimido iron complex

Structural and Electronic Complexities of a Sulfur-Bridged Di-Iron Complex Composed of Mono- and Di-Nitrosyl Units - PubMed The delocalized, thermodynamically stable cation, [(N₂S₂)Fe(NO)•Fe(NO)₂]⁺, an adduct of mono-nitrosyl and dinitrosyl iron units, is analyzed to address the...

Structural and Electronic Complexities of a Sulfur-Bridged Di-Iron Complex Composed of Mono- and Di-Nitrosyl Units

Cr(I)-Cr(I) Terphenyl Bridged Complexes: A Broken-Symmetry DFT and Multideterminant CASSCF/NEVPT2 Handshake - PubMed In this article, a Cr^I-Cr^I-based system stabilized by two monovalent terphenyl ligands Ar'CrCrAr' (Ar' = C₆H₂-2,6-(C₆H₃-2,6-Pr₂...

Cr(I)-Cr(I) Terphenyl Bridged Complexes: A Broken-Symmetry DFT and Multideterminant CASSCF/NEVPT2 Handshake

Ultrafast Conversion of Two Charge States of Nitrogen-Vacancy Centers in Diamond via Two-Photon Excitation - PubMed Ultrafast conversion dynamics between the NV⁰ and NV^- charge states in diamond is crucial for spin-state manipulation and readout. However, the underlying mechanism of the conversion,...

Ultrafast Conversion of Two Charge States of Nitrogen-Vacancy Centers in Diamond via Two-Photon Excitation

Room-Temperature Ferromagnetism in an Iron-Based Zeolitic Imidazolate Framework Glass - PubMed Although many metal-organic frameworks (MOFs) display magnetic properties, it remains unclear whether intrinsic weak ferromagnetism (WFM) can occur at room temperature within these materials. Here the...

Room-Temperature Ferromagnetism in an Iron-Based Zeolitic Imidazolate Framework Glass

Synergistic Electric-Spin-Dipole Modulation for Bidirectional Polysulfide Conversion Toward Reliable Lithium-Sulfur Batteries - PubMed Electric, spin, and dipole coupling effects are increasingly employed in lithium-sulfur (Li─S) batteries to suppress the shuttle effect and enhance reaction kinetics. However, the controllable modulation...

Synergistic Electric-Spin-Dipole Modulation for Bidirectional Polysulfide Conversion Toward Reliable Lithium-Sulfur Batteries

Redox-Active Ligand Platforms for Spin-Crossover Materials: Influence of Halogen Substitution in Pt(II) and Ni(II) Hofmann-Type Frameworks - PubMed We report the synthesis and structural characterization of a series of halogen-based Hofmann clathrates having two different general formulas {Fe(<b>X</b>_<b>a</b><b>-pbpy</b>^<b>+</b>)₂[μ₂-M_a(CN)₄]₂·2H₂O}...

Redox-Active Ligand Platforms for Spin-Crossover Materials: Influence of Halogen Substitution in Pt(II) and Ni(II) Hofmann-Type Frameworks

Manipulating spin-state conversion to promote asymmetric d-p orbital hybridization for high-efficiency nitrate electroreduction to ammonia - PubMed The electrochemical nitrate reduction reaction (eNO₃ ^-RR) presents a sustainable solution for water pollutant management and green ammonia (NH₃) synthesis. However, hindered...

Manipulating spin-state conversion to promote asymmetric d-p orbital hybridization for high-efficiency nitrate electroreduction to ammonia

Discovery and Mechanism of a Diiron Enzyme in Ethylidene Azetidine Formation - PubMed Azetidine is a strained four-membered <i>N</i>-heterocycle that has important applications in medicinal chemistry and organic synthesis. Despite its relevance to human health and agriculture, azetidine...

Discovery and Mechanism of a Diiron Enzyme in Ethylidene Azetidine Formation

Non-Pinned and Reversible Spin Crossover in Self-Assembled Monolayers of a Functionalized Fe(II) Scorpionate Complex - PubMed The spin crossover (SCO) behavior of molecules in (sub)monolayers can differ from that of the bulk: in particular, it can be quenched or "pinned" by direct contact between the SCO molecules and the substrate,...

Non-Pinned and Reversible Spin Crossover in Self-Assembled Monolayers of a Functionalized Fe(II) Scorpionate Complex

Self-Reconstruction of Order Parameter in Spin-Triplet Superconductor UTe_{2} - PubMed We investigate the effect of easy-axis metamagnetic crossover on superconductivity in UTe_{2} along the a axis through measurements of ac susceptibility, magnetization, and the magnetocaloric effect....

Self-Reconstruction of Order Parameter in Spin-Triplet Superconductor UTe_{2}

Hydride Transfer Reactivity of an Open-Shell [Fe3H]- Cluster - PubMed We report herein the synthesis and reactivity of the high-spin iron-hydride cluster [K(C₂₂₂)][(^tbsL)Fe₃(μ³-H)]. Direct hydride transfer reaction attempts led...

Hydride Transfer Reactivity of an Open-Shell [Fe3H]- Cluster

Photochemical and Thermal Concerted 1,3-Sigmatropic Rearrangements of a π-Extended Methylenecyclopropane - PubMed The reversible interconversion between methylenecyclopropane (MCP) and trimethylenemethane (TMM) has been extensively studied, yet precise control over their spin states remains challenging. Here, we...

Photochemical and Thermal Concerted 1,3-Sigmatropic Rearrangements of a π-Extended Methylenecyclopropane

Low-Spin WIII-Triggered Triplet Spin-Polarized Electron Delocalization of Tungsten Oxide for Photocatalytic Reduction of Uranium - PubMed Solar-light-driven photocatalysis is a green and efficient technology to immobilize high-toxic and radioactive uranium (U). However, a great challenge is to develop photocatalysts with simultaneous elevated...

Low-Spin W(III)-Triggered Triplet Spin-Polarized Electron Delocalization of Tungsten Oxide for Photocatalytic Reduction of Uranium

T½ Tuning in a Synergistic BODIPY-Tetrazole Fe(II) Spin-Crossover-Photoluminescence System via Co-Ligand Variation - PubMed Bifunctional materials combining spin crossover (SCO) and photoluminescence (PL), offering noncontact and highly sensitive spin-state detection, are promising candidates for application in photonic devices....

T() Tuning in a Synergistic BODIPY-Tetrazole Fe(II) Spin-Crossover-Photoluminescence System via Co-Ligand Variation

Ball-Milled Natural Pyrite for Enhanced Phosphate Adsorption: Mechanism of Surface Complexation and Precipitation - PubMed Phosphate removal in aquatic systems is critical for mitigating eutrophication. In this study, ball-milled natural pyrite (FeS₂) was employed to examine the effects of mechanochemical activation...

Ball-Milled Natural Pyrite for Enhanced Phosphate Adsorption: Mechanism of Surface Complexation and Precipitation

Electrically tunable quantum interference of atomic spins on surfaces - PubMed Controlling quantum interference near avoided energy-level crossings is crucial for fast and reliable coherent manipulation in quantum information processing. However, achieving tunable quantum interference...

Electrically tunable quantum interference of atomic spins on surfaces

Measuring reliable electron spin coherence times with dynamical decoupling sequences that use selective mw pulses - PubMed Dynamical decoupling methods like the Carr-Purcell-Meiboom-Gill (CPMG) or XY4- and XY8-based sequences play a key role in the measurement of reliable electron spin coherence times as they help to disentangle...

Measuring reliable electron spin coherence times with dynamical decoupling sequences that use selective mw pulses

Aliphatic Chains and External Pressure as Tools for Fine-Tuning Spin Transition Temperature and Cooperativity - PubMed In switchable spin crossover (SCO) molecular materials, control of their critical temperature and cooperativeness is essential for practical applications. This requires systematic fine-tuning of the molecular...

Aliphatic Chains and External Pressure as Tools for Fine-Tuning Spin Transition Temperature and Cooperativity

Thermomagnetic Bistability, Colossal Negative Thermal Expansion, and THz-Heat-Induced Switching in Cu-Nitroxide Complex - PubMed Bistability in molecule-based magnets is crucial for their applications in functional devices, and thermally induced excited spin state trapping (TIESST) represents a promising route to maintain two distinct...

Thermomagnetic Bistability, Colossal Negative Thermal Expansion, and THz-Heat-Induced Switching in Cu-Nitroxide Complex

The Cryptic Nature of Fe-S Clusters: A Case Study of the Hepatitis B HBx Oncoprotein - PubMed Fe-S clusters are ubiquitous inorganic cofactors found in proteins across all domains of life, including viruses. Their prevalence stems from their unique redox and structural plasticity that supports...

The Cryptic Nature of Fe-S Clusters: A Case Study of the Hepatitis B HBx Oncoprotein

Standardised and Objective Dietary Intake Assessment Tool (SODIAT): Protocol of a dual-site dietary intervention study to integrate dietary assessment methods - PubMed This study introduces a novel approach to dietary assessment, addressing the limitations of traditional methods by reducing misreporting and enhancing inclusivity, particularly for underrepresented populations...

Standardised and Objective Dietary Intake Assessment Tool (SODIAT): Protocol of a dual-site dietary intervention study to integrate dietary assessment methods

Stereoelectronic Insight Into Heme Carbene Catalysis: Bridging Enzymatic and Synthetic Systems - PubMed Iron porphyrin carbenes (IPCs), pivotal intermediates in enzymatic carbene transfer reactions, adopt diverse bonding modes and electronic configurations that govern their catalytic functions. This review...

Stereoelectronic Insight Into Heme Carbene Catalysis: Bridging Enzymatic and Synthetic Systems

Spin Interactions in Supramolecular Assemblies of Porphyrin Oligomer Radical Anions - PubMed Diradicals have potential applications in spintronics, molecular electronics, and dynamic nuclear polarization due to their unique electronic structure. Supramolecular diradicals are particularly attractive,...

Spin Interactions in Supramolecular Assemblies of Porphyrin Oligomer Radical Anions

Slow magnetic relaxation in a trinuclear spin-crossover Co(II) compound with metal-metal bonding - PubMed This study investigates the molecular spin-qubit properties of a rigid trinuclear cobalt complex, presenting the first example of spin-crossover in a compound with metal-metal bonds. Pulsed electron paramagnetic...

Slow magnetic relaxation in a trinuclear spin-crossover Co(II) compound with metal-metal bonding

From Ambiguity to Application: Deciphering Non-Radical Pathways in Heterogeneous Persulfate Activation - PubMed Non-radical pathways have emerged as a critical research frontier in persulfate-based heterogeneous advanced oxidation processes (PS-HAOPs), offering superior selectivity and thereby resistance to background...

From Ambiguity to Application: Deciphering Non-Radical Pathways in Heterogeneous Persulfate Activation