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View article: Room-Temperature Quantum Simulation with Atomically Thin Nuclear Spin Layers in Diamond
Room-Temperature Quantum Simulation with Atomically Thin Nuclear Spin Layers in Diamond Open
Quantum simulation aims to recreate complex many-body phenomena in controlled environments, offering insights into dynamics that are otherwise difficult to model. Existing platforms, however, are often complex and costly to scale, typicall…
View article: Quantum‐Grade Nanodiamonds from a Single‐Step, Industrial‐Scale Pressure and Temperature Process
Quantum‐Grade Nanodiamonds from a Single‐Step, Industrial‐Scale Pressure and Temperature Process Open
Nanodiamonds with nitrogen vacancy (NV) centers are a promising workhorse for myriad applications, from quantum sensing to bioimaging. However, despite two decades of extensive research, their use remains limited by the lack of scalable me…
View article: Millikelvin Intracellular Nanothermometry with Nanodiamonds
Millikelvin Intracellular Nanothermometry with Nanodiamonds Open
Nanothermometry within living cells is an important endeavor in physics, as the mechanisms of heat diffusion in such complex and dynamic environments remain poorly understood. In biology, nanothermometry may offer new insights into cellula…
View article: Millikelvin intracellular nanothermometry with nanodiamonds
Millikelvin intracellular nanothermometry with nanodiamonds Open
Nanothermometry within living cells is an important endeavour in physics, as the mechanisms of heat diffusion in such complex and dynamic environments remain poorly understood. In biology, nanothermometry may offer new insights into cellul…
View article: Investigating intracellular heating rates with millikelvin nanothermometry
Investigating intracellular heating rates with millikelvin nanothermometry Open
Nanothermometry within living cells is an important endeavour in physics,as the mechanisms of heat diffusion in such complex and dynamic environments remain poorly understood. In biology, nanothermometry may offer new insights into cellula…
View article: <sup>13</sup> C hyperpolarization with nitrogen-vacancy centers in micro- and nanodiamonds for sensitive magnetic resonance applications
<sup>13</sup> C hyperpolarization with nitrogen-vacancy centers in micro- and nanodiamonds for sensitive magnetic resonance applications Open
Nuclear hyperpolarization is a known method to enhance the signal in nuclear magnetic resonance (NMR) by orders of magnitude. The present work addresses the 13 C hyperpolarization in diamond micro- and nanoparticles, using the optically pu…
View article: Photostable triphenylmethyl-based diradicals with a degenerate singlet-triplet ground state and strong photoluminescence
Photostable triphenylmethyl-based diradicals with a degenerate singlet-triplet ground state and strong photoluminescence Open
TTM-based diradicals bridged by indolocarbazoles show high diradical character and up to 18% quantum yield, offering a promising route to stable, luminescent open-shell emitters with isoenergetic singlet and triplet ground states.
View article: Carbazole-functionalized Chichibabin diradicaloids with redshifted absorption and enhanced photoluminescence
Carbazole-functionalized Chichibabin diradicaloids with redshifted absorption and enhanced photoluminescence Open
We report two carbazole-functionalized Chichibabin diradicaloids that in comparison to the parent compound exhibit red-shifted absorption and 2–3-fold brighter emission.
View article: A novel [2.2]paracyclophane bridged tris(2,4,6-trichlorophenyl)methyl-diradical and its interaction with circularly polarized light
A novel [2.2]paracyclophane bridged tris(2,4,6-trichlorophenyl)methyl-diradical and its interaction with circularly polarized light Open
The unique interplay between electronic and magnetic interactions in tailored chiral diradicals results in tunable spin states and chiroptical behavior, demonstrating new avenues for molecular quantum control and advanced material function…
View article: Reducing inhomogeneous broadening of spin and optical transitions of nitrogen-vacancy centers in high-pressure, high-temperature diamond
Reducing inhomogeneous broadening of spin and optical transitions of nitrogen-vacancy centers in high-pressure, high-temperature diamond Open
View article: Photostability of Phenoxazine Derivatives
Photostability of Phenoxazine Derivatives Open
Phenoxazine is a commonly used molecular building block, for example in optoelectronic applications and pharmaceuticals. However, it is highly susceptible to rapid photodegradation, especially in halogenated solvents. In the present study,…
View article: A Stable Chichibabin Diradicaloid with Near‐Infrared Emission
A Stable Chichibabin Diradicaloid with Near‐Infrared Emission Open
Conjugated molecules with multiple radical centers such as the iconic Chichibabin diradicaloid hold promise as building blocks in materials for quantum sensing and quantum information processing. However, it is a considerable challenge to …
View article: Ein Stabiles Chichibabin Diradikaloid mit Nahinfraroter Emission
Ein Stabiles Chichibabin Diradikaloid mit Nahinfraroter Emission Open
Konjugierte Moleküle mit mehreren Radikalzentren, wie das ikonische Chichibabin‐Diradikaloid, sind vielversprechende Bausteine für Materialien für die Quantensensorik und Quanteninformationsverarbeitung. Jedoch stellt es eine große Herausf…
View article: $^{13}$C Hyperpolarization with Nitrogen-Vacancy Centers in Micro- and Nanodiamonds for Sensitive Magnetic Resonance Applications
$^{13}$C Hyperpolarization with Nitrogen-Vacancy Centers in Micro- and Nanodiamonds for Sensitive Magnetic Resonance Applications Open
Nuclear hyperpolarization is a known method to enhance the signal in nuclear magnetic resonance (NMR) by orders of magnitude. The present work addresses the $^{13}$C hyperpolarization in diamond micro- and nanoparticles, using the opticall…
View article: Detecting nitrogen-vacancy-hydrogen centers on the nanoscale using nitrogen-vacancy centers in diamond
Detecting nitrogen-vacancy-hydrogen centers on the nanoscale using nitrogen-vacancy centers in diamond Open
In diamond, nitrogen defects like the substitutional nitrogen defect (Ns) or the nitrogen-vacancy-hydrogen complex (NVH) outnumber the nitrogen-vacancy (NV) defect by at least one order of magnitude creating a dense spin bath. While neutra…
View article: Giant Quantum Electrodynamic Effects on Single SiV Color Centers in Nanosized Diamonds
Giant Quantum Electrodynamic Effects on Single SiV Color Centers in Nanosized Diamonds Open
Understanding and mastering quantum electrodynamics phenomena is essential to the development of quantum nanophotonics applications. While tailoring of the local vacuum field has been widely used to tune the luminescence rate and direction…
View article: Absorption and birefringence study for reduced optical losses in diamond with high nitrogen-vacancy concentration
Absorption and birefringence study for reduced optical losses in diamond with high nitrogen-vacancy concentration Open
The use of diamond colour centres such as the nitrogen-vacancy (NV) centre is increasingly enabling quantum sensing and computing applications. Novel concepts like cavity coupling and readout, laser-threshold magnetometry and multi-pass ge…
View article: Detecting nitrogen-vacancy-hydrogen centers on the nanoscale using nitrogen-vacancy centers in diamond
Detecting nitrogen-vacancy-hydrogen centers on the nanoscale using nitrogen-vacancy centers in diamond Open
In diamond, nitrogen defects like the substitutional nitrogen defect (Ns) or the nitrogen-vacancy-hydrogen complex (NVH) outnumber the nitrogen vacancy (NV) defect by at least one order of magnitude creating a dense spin bath. While neutra…
View article: Red-Fluorescing Paramagnetic Conjugated Polymer Nanoparticles – Triphenyl Methyl Radicals as Monomers in C-C Cross-Coupling Dispersion Polymerization
Red-Fluorescing Paramagnetic Conjugated Polymer Nanoparticles – Triphenyl Methyl Radicals as Monomers in C-C Cross-Coupling Dispersion Polymerization Open
We report the synthesis of conjugated polymer nanoparticles carrying stable luminescent radical units. These monodisperse conjugated radical nanoparticles can be tuned in their diameter over several hundred nanometers. They are stable in a…
View article: Red-Fluorescing Paramagnetic Conjugated Polymer Nanoparticles – Triphenyl Methyl Radicals as Monomers in C-C Cross-Coupling Dispersion Polymerization
Red-Fluorescing Paramagnetic Conjugated Polymer Nanoparticles – Triphenyl Methyl Radicals as Monomers in C-C Cross-Coupling Dispersion Polymerization Open
We report the synthesis of conjugated polymer nanoparticles carrying stable luminescent radical units. These monodisperse conjugated radical nanoparticles can be tuned in their diameter over several hundred nanometers. They are stable in a…
View article: 2,7-substituted N-carbazole donors on tris (2,4,6-trichlorophenyl) methyl radicals with high quantum yield
2,7-substituted N-carbazole donors on tris (2,4,6-trichlorophenyl) methyl radicals with high quantum yield Open
Doublet spin properties of organic open-shell luminophores evade the formation of dark triplet states, thus making radicals favorable emitters for next generation organic light-emitting diodes. However, their poor photostability and medioc…
View article: Rapid determination of single substitutional nitrogen Ns concentration in diamond from UV-Vis spectroscopy
Rapid determination of single substitutional nitrogen Ns concentration in diamond from UV-Vis spectroscopy Open
Single substitutional nitrogen atoms Ns0 are the prerequisite to create nitrogen-vacancy (NV) centers in diamonds. They not only serve as the electron donors to create the desired NV− center and provide charge stability against photo-ionis…
View article: Creation of nitrogen-vacancy centers in chemical vapor deposition diamond for sensing applications
Creation of nitrogen-vacancy centers in chemical vapor deposition diamond for sensing applications Open
The nitrogen-vacancy (NV) center in diamond is a promising quantum system for magnetometry applications exhibiting optical readout of minute energy shifts in its spin sub-levels. Key material requirements for NV ensembles are a high NV − c…
View article: Creation of nitrogen-vacancy centers in chemical vapor deposition\n diamond for sensing applications
Creation of nitrogen-vacancy centers in chemical vapor deposition\n diamond for sensing applications Open
The nitrogen-vacancy (NV) center in diamond is a promising quantum system for\nmagnetometry applications exhibiting optical readout of minute energy shifts in\nits spin sub-levels. Key material requirements for NV ensembles are a high\nNV$…
View article: Mixed-Halide Triphenyl Methyl Radicals for Site-Selective Functionalization and Polymerization
Mixed-Halide Triphenyl Methyl Radicals for Site-Selective Functionalization and Polymerization Open
Derivatives of the stable, luminescent tris-2,4,6-trichlorophenylmethyl (TTM) radical exhibit unique doublet spin properties that are of interest for applications in optoelectronics, spintronics, and energy storage. However, poor reactivit…
View article: Mixed-Halide Triphenyl Methyl Radicals for Site-Selective Functionalization and Polymerization
Mixed-Halide Triphenyl Methyl Radicals for Site-Selective Functionalization and Polymerization Open
Derivatives of the stable, luminescent tris-2,4,6-trichlorophenylmethyl (TTM) radical exhibit unique doublet spin properties that are of interest for applications in optoelectronics, spintronics, and energy storage. However, poor reactivit…
View article: Mixed-Halide Triphenyl Methyl Radicals for Site-Selective Functionalization and Polymerization
Mixed-Halide Triphenyl Methyl Radicals for Site-Selective Functionalization and Polymerization Open
Derivatives of the stable, luminescent tris-2,4,6-trichlorophenylmethyl (TTM) radical exhibit unique doublet spin properties that are of interest for applications in optoelectronics, spintronics, and energy storage. However, the synthesis …
View article: Mixed-Halide Triphenyl Methyl Radicals for Site-Selective Functionalization and Polymerization
Mixed-Halide Triphenyl Methyl Radicals for Site-Selective Functionalization and Polymerization Open
Derivatives of the stable, luminescent tris-2,4,6-trichlorophenylmethyl (TTM) radical exhibit unique doublet spin properties that are of interest for applications in optoelectronics, spintronics, and energy storage. However, the synthesis …
View article: Mixed-halide triphenyl methyl radicals for site-selective functionalization and polymerization
Mixed-halide triphenyl methyl radicals for site-selective functionalization and polymerization Open
Specifically addressable mixed-halide TTMs with improved stability and reactivity are presented to enable complex open-shell small molecules and polymers.
View article: Efficient conversion of nitrogen to nitrogen-vacancy centers in diamond particles with high-temperature electron irradiation
Efficient conversion of nitrogen to nitrogen-vacancy centers in diamond particles with high-temperature electron irradiation Open