Zobrazeno 1 - 10
of 518
pro vyhledávání: '"Lupton, J."'
Autor:
Atwood, S. I., Mkhitaryan, V. V., Dhileepkumar, S., Nuibe, C., Hosseinzadeh, S., Malissa, H., Lupton, J. M., Boehme, C.
Publikováno v:
Phys. Rev. B 110, L060103 (2024)
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) spectroscopy at room temperature. Under strong magnetic-resonant drive (d
Externí odkaz:
http://arxiv.org/abs/2312.12609
Autor:
Atwood, S. I., Hosseinzadeh, S., Mkhitaryan, V. V., Tennahewa, T. H., Malissa, H., Jiang, W., Darwish, T. A., Burn, P. L., Lupton, J. M., Boehme, C.
We present Floquet theory-based predictions and electrically detected magnetic resonance (EDMR) experiments scrutinizing the nature of two-photon magnetic resonance shifts of charge-carrier spin states in the perdeuterated $\pi$-conjugated polymer po
Externí odkaz:
http://arxiv.org/abs/2310.14180
Photoluminescence from metal nanostructures following intense ultrashort illumination is a fundamental aspect of light-matter interactions. Surprisingly, many of its basic characteristics are under ongoing debate. Here, we resolve many of these debat
Externí odkaz:
http://arxiv.org/abs/2302.08333
Autor:
Tennahewa, T. H., Hosseinzadeh, S., Atwood, S. I., Popli, H., Malissa, H., Lupton, J. M., Boehme, C.
We report measurements of room-temperature spin-relaxation times $T_1$ and $T_2$ of charge-carrier spins in a $\pi$-conjugated polymer thin film under bipolar injection and low ($1\mbox{ mT}\lesssim B_0\lesssim 10\mbox{ mT}$) static magnetic fields,
Externí odkaz:
http://arxiv.org/abs/2207.07086
Autor:
Jamali, S., Mkhitaryan, V. V., Malissa, H., Nahlawi, A., Popli, H., Grünbaum, T., Bange, S., Milster, S., Stoltzfus, D., Leung, A. E., Darwish, T. A., Burn, P. L., Lupton, J. M., Boehme, C.
Weakly spin-orbit coupled electron and hole spins in organic light-emitting diodes (OLEDs) constitute near-perfect two-level systems to explore the interaction of light and matter in the ultrastrong-drive regime. Under such highly non-perturbative co
Externí odkaz:
http://arxiv.org/abs/2010.02170
Publikováno v:
Phys. Rev. B 100, 214205 (2019)
We address the textbook problem of dynamics of a spin placed in a dc magnetic field and subjected to an ac drive. If the drive is polarized in the plane perpendicular to the dc field, the drive photons are resonantly absorbed when the spacing between
Externí odkaz:
http://arxiv.org/abs/1908.06534
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Autor:
Baird, D. L., Nahlawi, A., Crossley, K., van Schooten, K. J., Teferi, M. Y., Popli, H., Joshi, G., Jamali, S., Malissa, H., Lupton, J. M., Boehme, C.
Electric fields are central to the operation of optoelectronic devices based on conjugated polymers since they drive the recombination of electrons and holes to excitons in organic light-emitting diodes but are also responsible for the dissociation o
Externí odkaz:
http://arxiv.org/abs/1806.03805
Autor:
Joshi, G., Teferi, M. Y., Jamali, S., Groesbeck, M., van Tol, J., McLaughlin, R., Vardeny, Z. V., Lupton, J. M., Malissa, H., Boehme, C.
Publikováno v:
Phys. Rev. Applied 10, 024008 (2018)
The magneto-electronic field effects in organic semiconductors at high magnetic fields are described by field-dependent mixing between singlet and triplet states of weakly bound charge carrier pairs due to small differences in their Land\'e g-factors
Externí odkaz:
http://arxiv.org/abs/1804.09297
Autor:
Teferi, M. Y., Ogle, J., Joshi, G., Malissa, H., Jamali, S., Baird, D. L., Lupton, J. M., Brooks, L. Whittaker, Boehme, C.
Publikováno v:
Phys. Rev. B 98, 241201 (2018)
Using electrically detected magnetic resonance spectroscopy, we demonstrate that doping the conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrene-sulfonate) (PEDOT:PSS) with ethylene glycol allows for the control of effective local charge
Externí odkaz:
http://arxiv.org/abs/1804.05139