Electron Spin Resonance
Articles tagged with Electron Spin Resonance
Josephson junctions — quantum computing building blocks — are possible with only one superconductor, experiment confirms
Experimental evidence confirms that a single superconductor can induce electron pairing and synchronization in another material, enabling the creation of a Josephson junction with only one superconductor. This discovery has potential implications for topological superconductors and conventional quantum computers.
Enhanced efficiency in tin-based perovskite solar cells: optimizing the electron transport layer
Researchers found that indene-C60 diadduct (ICBA) suppresses charge recombination and improves open-circuit voltage in tin-based perovskite solar cells. This enhancement is attributed to the effective suppression of band bending at the interface between the tin-based perovskite and the electron transport layer.
UV light activation of peracetic acid: new insights into radical generation based on excited states
Researchers developed an in-situ EPR setup to accurately identify radicals generated by PAA activation under different UV wavelengths, revealing distinct radical generation pathways. The study provides new insights into the mechanisms of radical formation and transformation using density functional theory calculations.
Performance-improvement mechanisms of tin-based perovskite solar cells
Tin-based perovskite solar cells improve efficiency and durability when large organic cations form a two-dimensional structure, creating an energy barrier that suppresses electron backflow. This structure enhances device performance under sunlight irradiation.
Largest magnetic anisotropy of a molecule measured at BESSY II
Scientists at the Max Planck Institute and Helmholtz-Zentrum Berlin successfully measure the largest magnetic anisotropy of a single molecule using THz electron paramagnetic resonance spectroscopy. This breakthrough has significant implications for energy-efficient data storage, with potential applications in various fields.
Investigating performance limitations in cost-effective materials for perovskite solar cells
A new hole-transport material facilitates charge transfer and demonstrates high charge mobility in perovskite solar cells. However, the devices show reduced current due to an energetic barrier at the perovskite/HND-2NOMe interface, hindering performance.
Successful synthesis of helical conductive polymers with circular polarization activity in response to magnetic fields
The team developed helical, magnetically active conductive polymers inspired by cyclosporine A, exhibiting unprecedented electron spin activity and anisotropy. The synthesized polymer demonstrated circularly polarized electron spin resonance in the microwave region.
A new qubit platform is created atom by atom
Researchers at IBS Center for Quantum Nanoscience created a novel electron-spin qubit platform assembled atom-by-atom on a surface, demonstrating ability to control multiple qubits. This breakthrough enables application of single-, two-, and three-qubit gates.
Operation mechanism of light-emitting electrochemical cells: A cheaper alternative to organic light-emitting diodes
Researchers investigated LECs made from Super Yellow and found that increasing voltage applied resulted in increased emission and ESR signals. Theoretical analysis showed holes and electrons being electrochemically doped into the material, leading to a correlation with luminance increase.
A revolutionary method to observe cell transport
Researchers developed a new method to study membrane proteins in their native environment, the cell, using electron spin resonance spectroscopy. This technique allows for precise determination of protein properties and could lead to better understanding and targeting of membrane proteins involved in anti-cancer drug resistance.
Uncovering the secret of ternary polymer solar cell success
Researchers from the University of Tsukuba and Hiroshima University investigated ternary polymer solar cells to understand why adding an extra ingredient improves their performance. They found that the acceptor molecule ITIC enhances the orientation of polymer molecules, reducing charge accumulation and increasing stability.
ESR-STM on single molecules and molecule-based structures
Researchers have successfully imaged the spin of an individual molecule using electron spin resonance in a scanning tunneling microscope. This achievement allows for precise control of spin states and investigation of magnetic interactions between molecules.
Evidence for glaciation predating MIS-6 in the eastern Nyainqêntanglha, southeastern Tibet
Researchers found glacial deposits in the Bodui Zangbo River valley that date back to before MIS-6. The age of these deposits suggests a glacial advance occurred during MIS-12, likely due to surface uplift and decreased temperatures.
Shining a light on what's really happening in perovskite solar cells
Scientists at the University of Tsukuba investigated perovskite solar cell deterioration using electron spin resonance spectroscopy. They discovered that changes in spin states are linked to changes in hole transport and interfacial electric dipole layer formation, suggesting potential ways to prevent degradation.
River's evolution unfolds with fresh mix of dating techniques
A team of researchers used a combination of Electron Spin Resonance, Luminescence and palaeomagnetic methods to reconstruct the Quaternary evolution of the lower Moulouya River in northeast Morocco.
New light shed on electron spin flips
Researchers have derived a new set of equations that allows for calculating electron paramagnetic resonance transition probabilities with arbitrary alignment and polarization. This progress is relevant for a broad community of EPR users and has been demonstrated with a newly designed THz-EPR experiment at HZB's storage ring BESSY II.
Using a laser to 'see' the smallest world
Researchers employed a high-powered laser to dramatically enhance electron paramagnetic resonance (EPR) spectroscopy, allowing for the study of tiny molecules at high resolution. This breakthrough will facilitate discoveries in fields such as new drug development and efficient plastic solar cells.
Research could lead to dramatic improvement in scanning for serious diseases
A four-year project aims to dramatically improve scanning for serious illnesses by enhancing electron spin resonance imaging techniques. The technology could provide 10,000 times more spatial information, recording images 10,000 times faster, and improve sensitivity by 100 times or more.