Sub-micron spin-based magnetic field imaging with an organic light emitting diode

R Geng, A Mena, WJ Pappas, DR McCamey - Nature Communications, 2023 - nature.com
Quantum sensing and imaging of magnetic fields has attracted broad interests due to its
potential for high sensitivity and spatial resolution. Common systems used for quantum …

Orientation-Dependent Interaction between the Magnetic Plasmons in Gold Nanocups and the Excitons in WS2 Monolayer and Multilayer

R Ai, X **a, H Zhang, KK Chui, J Wang - ACS nano, 2023 - ACS Publications
The integration of two-dimensional transition metal dichalcogenides with plasmonic
nanostructures is extremely attractive for the investigation of the resonance coupling …

Perdeuterated conjugated polymers for ultralow‐frequency magnetic resonance of OLEDs

S Milster, T Grünbaum, S Bange… - Angewandte Chemie …, 2020 - Wiley Online Library
The formation of excitons in OLEDs is spin dependent and can be controlled by electron‐
paramagnetic resonance, affecting device resistance and electroluminescence yield. We …

Coherent and incoherent spin-relaxation dynamics of electron-hole pairs in a -conjugated polymer at low magnetic fields

TH Tennahewa, S Hosseinzadeh, SI Atwood, H Popli… - Physical Review B, 2024 - APS
We report room-temperature measurements of the spin-relaxation times T 1 and T 2 of
electron-hole charge-carrier spins in an organic light-emitting diode based on the π …

Floquet spin states in OLEDs

S Jamali, VV Mkhitaryan, H Malissa, A Nahlawi… - Nature …, 2021 - nature.com
Electron and hole spins in organic light-emitting diodes constitute prototypical two-level
systems for the exploration of the ultrastrong-drive regime of light-matter interactions …

OLEDs as models for bird magnetoception: detecting electron spin resonance in geomagnetic fields

T Grünbaum, S Milster, H Kraus, W Ratzke… - Faraday …, 2020 - pubs.rsc.org
Certain species of living creatures are known to orientate themselves in the geomagnetic
field. Given the small magnitude of approximately 48 μT, the underlying quantum …

Perdeuteration of poly [2-methoxy-5-(2′-ethylhexyloxy)-1, 4-phenylenevinylene](d-MEH-PPV): control of microscopic charge-carrier spin–spin coupling and of …

DM Stoltzfus, G Joshi, H Popli, S Jamali… - Journal of Materials …, 2020 - pubs.rsc.org
Control of the effective local hyperfine fields in a conjugated polymer, poly [2-methoxy-5-(2′-
ethylhexyloxy)-1, 4-phenylenevinylene](MEH-PPV), by isotopic engineering is reported …

Measuring the magnetic field amplitude of rf radiation by the quasistatic magnetic field effect in organic light-emitting diodes

T Grünbaum, S Bange, W Jiang, AE Leung… - Physical Review …, 2021 - APS
Electron paramagnetic resonance (EPR) is a versatile tool to probe spin physics in organic
semiconductor materials. A common method used to detect the spin-½ paramagnetic …

High-field magnetoresistance of organic semiconductors

G Joshi, MY Teferi, R Miller, S Jamali, M Groesbeck… - Physical Review …, 2018 - APS
The magnetoelectronic field effects in organic semiconductors at high magnetic fields are
described by field-dependent mixing between singlet and triplet states of weakly bound …

Three-photon electron spin resonances

SI Atwood, VV Mkhitaryan, S Dhileepkumar, C Nuibe… - Physical Review B, 2024 - APS
We report the observation of a three-photon resonant transition of charge-carrier spins in an
organic light-emitting diode using electrically detected magnetic resonance (EDMR) …