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Rational Molecular Design Enables Efficient Blue TADF−OLEDs with Flexible Graphene Substrate (2022)
Journal Article
Sharif, P., Alemdar, E., Ozturk, S., Caylan, O., Haciefendioglu, T., Buke, G., …Oral, A. (2022). Rational Molecular Design Enables Efficient Blue TADF−OLEDs with Flexible Graphene Substrate. Advanced Functional Materials, 32(47), Article 2207324. https://doi.org/10.1002/adfm.202207324

Observation of thermally activated delayed fluorescence (TADF) in conjugated systems redefined the molecular design approach to realize highly efficient organic light emitting diodes (OLEDs) in the early 2010s. Enabling effective reverse intersystem... Read More about Rational Molecular Design Enables Efficient Blue TADF−OLEDs with Flexible Graphene Substrate.

From Binary to Ternary Transition-Metal Nitrides: A Boost toward Nitrogen Magneto-Ionics (2022)
Journal Article
Tan, Z., Martins, S., Escobar, M., de Rojas, J., Ibrahim, F., Chshiev, M., …Sort, J. (2022). From Binary to Ternary Transition-Metal Nitrides: A Boost toward Nitrogen Magneto-Ionics. ACS Applied Materials and Interfaces, 14(39), 44581-44590. https://doi.org/10.1021/acsami.2c12847

Magneto-ionics is an emerging actuation mechanism to control the magnetic properties of materials via voltage-driven ion motion. This effect largely relies on the strength and penetration of the induced electric field into the target material, the am... Read More about From Binary to Ternary Transition-Metal Nitrides: A Boost toward Nitrogen Magneto-Ionics.

A minimal model of elastic instabilities in biological filament bundles (2022)
Journal Article
Panter, J., Kusumaatmaja, H., & Prior, C. (2022). A minimal model of elastic instabilities in biological filament bundles. Journal of the Royal Society. Interface, 19(194), Article 20220287. https://doi.org/10.1098/rsif.2022.0287

We present a model of a system of elastic fibres which exhibits complex, coupled, nonlinear deformations via a connecting elastic spring network. This model can capture physically observed deformations such as global buckling, pinching and internal c... Read More about A minimal model of elastic instabilities in biological filament bundles.

Behavior of Citrate-Capped Ultrasmall Gold Nanoparticles on a Supported Lipid Bilayer Interface at Atomic Resolution (2022)
Journal Article
Kariuki, R., Penman, R., Bryant, S. J., Orrell-Trigg, R., Meftahi, N., Crawford, R. J., …Elbourne, A. (2022). Behavior of Citrate-Capped Ultrasmall Gold Nanoparticles on a Supported Lipid Bilayer Interface at Atomic Resolution. ACS Nano, 16(10), 17179-17196. https://doi.org/10.1021/acsnano.2c07751

Nanomaterials have the potential to transform biological and biomedical research, with applications ranging from drug delivery and diagnostics to targeted interference of specific biological processes. Most existing research is aimed at developing na... Read More about Behavior of Citrate-Capped Ultrasmall Gold Nanoparticles on a Supported Lipid Bilayer Interface at Atomic Resolution.

Allophycocyanin A is a carbon dioxide receptor in the cyanobacterial phycobilisome (2022)
Journal Article
Guillen-Garcia, A., Gibson, S., Jordan, C., Ramaswamy, V., Linthwaite, V., Bromley, E., …Cann, M. (2022). Allophycocyanin A is a carbon dioxide receptor in the cyanobacterial phycobilisome. Nature Communications, 13, Article 5289. https://doi.org/10.1038/s41467-022-32925-6

Light harvesting is fundamental for production of ATP and reducing equivalents for CO2 fixation during photosynthesis. However, electronic energy transfer (EET) through a photosystem can harm the photosynthetic apparatus when not balanced with CO2. H... Read More about Allophycocyanin A is a carbon dioxide receptor in the cyanobacterial phycobilisome.

Confinement of Skyrmions in Nanoscale FeGe Device-like Structures (2022)
Journal Article
Twitchett-Harrison, A. C., Loudon, J. C., Pepper, R. A., Birch, M. T., Fangohr, H., Midgley, P. A., …Hatton, P. D. (2022). Confinement of Skyrmions in Nanoscale FeGe Device-like Structures. ACS Applied Electronic Materials, 4(9), 4427 - 4437. https://doi.org/10.1021/acsaelm.2c00692

Skyrmion-based devices have been proposed as a promising solution for low-energy data storage. These devices include racetrack or logic structures and require skyrmions to be confined in regions with dimensions comparable to the size of a single skyr... Read More about Confinement of Skyrmions in Nanoscale FeGe Device-like Structures.

Towards Electron Energy Loss Compton Spectra Free From Dynamical Diffraction Artifacts (2022)
Journal Article
Mendis, B. G., & Talmantaite, A. (2022). Towards Electron Energy Loss Compton Spectra Free From Dynamical Diffraction Artifacts. Microscopy and Microanalysis, https://doi.org/10.1017/s1431927622012223

The Compton signal in electron energy loss spectroscopy (EELS) is used to determine the projected electron momentum density of states for the solid. A frequent limitation however is the strong dynamical scattering of the incident electron beam within... Read More about Towards Electron Energy Loss Compton Spectra Free From Dynamical Diffraction Artifacts.

Hydroxide films on mica form charge-stabilized microphases that circumvent nucleation barriers (2022)
Journal Article
Legg, B., Voïtchovsky, K., & De Yoreo, J. (2022). Hydroxide films on mica form charge-stabilized microphases that circumvent nucleation barriers. Science Advances, 8(35), Article eabn7087. https://doi.org/10.1126/sciadv.abn7087

Crystal nucleation is facilitated by transient, nanoscale fluctuations that are extraordinarily difficult to observe. Here, we use high-speed atomic force microscopy to directly observe the growth of an aluminum hydroxide film from an aqueous solutio... Read More about Hydroxide films on mica form charge-stabilized microphases that circumvent nucleation barriers.

X-ray diffraction imaging of fully packaged n–p–n transistors under accelerated ageing conditions (2022)
Journal Article
Tanner, B. K., Danilewsky, A., & McNally, P. J. (2022). X-ray diffraction imaging of fully packaged n–p–n transistors under accelerated ageing conditions. Journal of Applied Crystallography, 55(5), 1139-1146. https://doi.org/10.1107/s1600576722007142

X-ray diffraction imaging was used to monitor the local strains that developed around individual n–p–n bipolar transistors within fully encapsulated packages under conditions of extremely high forward bias to simulate accelerated ageing. Die warpage... Read More about X-ray diffraction imaging of fully packaged n–p–n transistors under accelerated ageing conditions.

Perspectives on viscoelastic flow instabilities and elastic turbulence (2022)
Journal Article
Datta, S. S., Ardekani, A. M., Arratia, P. E., Beris, A. N., Bischofberger, I., McKinley, G. H., …Stone, H. A. (2022). Perspectives on viscoelastic flow instabilities and elastic turbulence. Physical Review Fluids, 7(8), Article 080701. https://doi.org/10.1103/physrevfluids.7.080701

Viscoelastic fluids are a common subclass of rheologically complex materials that are encountered in diverse fields from biology to polymer processing. Often the flows of viscoelastic fluids are unstable in situations where ordinary Newtonian fluids... Read More about Perspectives on viscoelastic flow instabilities and elastic turbulence.

Spectral index selection method for remote moisture sensing under challenging illumination conditions (2022)
Journal Article
Graham, C., Girkin, J., & Bourgenot, C. (2022). Spectral index selection method for remote moisture sensing under challenging illumination conditions. Scientific Reports, 12(1), Article 14555. https://doi.org/10.1038/s41598-022-18801-9

Remote sensing using passive solar illumination in the Short-Wave Infrared spectrum is exposed to strong intensity variation in the spectral bands due to atmospheric changing conditions and spectral absorption. More robust spectral analysis methods,... Read More about Spectral index selection method for remote moisture sensing under challenging illumination conditions.

Intramolecular Hydrogen Bonding in Thermally Activated Delayed Fluorescence Emitters: Is There Evidence Beyond Reasonable Doubt? (2022)
Journal Article
Hempe, M., Kukhta, N. A., Danos, A., Batsanov, A. S., Monkman, A. P., & Bryce, M. R. (2022). Intramolecular Hydrogen Bonding in Thermally Activated Delayed Fluorescence Emitters: Is There Evidence Beyond Reasonable Doubt?. Journal of Physical Chemistry Letters, 13(35), 8221-8227. https://doi.org/10.1021/acs.jpclett.2c00907

Intramolecular hydrogen bonding between donor and acceptor segments in thermally activated delayed fluorescence (TADF) materials is now frequently employed to─purportedly─rigidify the structure and improve the emission performance of these materials.... Read More about Intramolecular Hydrogen Bonding in Thermally Activated Delayed Fluorescence Emitters: Is There Evidence Beyond Reasonable Doubt?.

Experimental diagenesis using present-day submarine turbidite sands (2022)
Journal Article
Bello, A. M., Charlaftis, D., Jones, S. J., Gluyas, J., Acikalin, S., Cartigny, M., & Al-Ramadan, K. (2022). Experimental diagenesis using present-day submarine turbidite sands. Frontiers in Earth Science, 10, https://doi.org/10.3389/feart.2022.952690

Hydrothermal-reactor experiments were conducted to investigate the potential formation of chlorite and microquartz grain coatings on detrital quartz and feldspar grains, and to understand their role in inhibiting the formation of quartz cement and fe... Read More about Experimental diagenesis using present-day submarine turbidite sands.

Encapsulated bacteria deform lipid vesicles into flagellated swimmers (2022)
Journal Article
Le Nagard, L., Brown, A. T., Dawson, A., Martinez, V. A., Poon, W. C., & Staykova, M. (2022). Encapsulated bacteria deform lipid vesicles into flagellated swimmers. Proceedings of the National Academy of Sciences, 119(34), https://doi.org/10.1073/pnas.2206096119

We study a synthetic system of motile Escherichia coli bacteria encapsulated inside giant lipid vesicles. Forces exerted by the bacteria on the inner side of the membrane are sufficient to extrude membrane tubes filled with one or several bacteria. W... Read More about Encapsulated bacteria deform lipid vesicles into flagellated swimmers.

Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(ii) complexes (2022)
Journal Article
Pander, P., Sil, A., Salthouse, R. J., Harris, C. W., Walden, M. T., Yufit, D. S., …Dias, F. B. (2022). Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(ii) complexes. Journal of Materials Chemistry C Materials for optical and electronic devices, 10(40), 15084-15095. https://doi.org/10.1039/d2tc01511k

We present an experimental and theoretical study of aggregate excited states formed by complexes of the type Pt(N^C^N)Cl, which display near-infrared (NIR) photoluminescence in film and NIR electroluminescence in OLED devices. Here, N^C^N represents... Read More about Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(ii) complexes.

MuFinder: A program to determine and analyse muon stopping sites (2022)
Journal Article
Huddart, B., Hernández-Melián, A., Hicken, T., Gomilšek, M., Hawkhead, Z., Clark, S., …Lancaster, T. (2022). MuFinder: A program to determine and analyse muon stopping sites. Computer Physics Communications, 280, https://doi.org/10.1016/j.cpc.2022.108488

Significant progress has recently been made in calculating muon stopping sites using density functional theory. The technique aims to address two of the most common criticisms of the muon-spin spectroscopy (μ+SR) technique, namely, where in the sampl... Read More about MuFinder: A program to determine and analyse muon stopping sites.

DFT Exchange: Sharing Perspectives on the Workhorse of Quantum Chemistry and Materials Science (2022)
Journal Article
Teale, A. M., Helgaker, T., Savin, A., Adano, C., Aradi, B., Arbuznikov, A. V., …Yang, W. (2022). DFT Exchange: Sharing Perspectives on the Workhorse of Quantum Chemistry and Materials Science. Physical Chemistry Chemical Physics, 24(47), 28700-28781. https://doi.org/10.1039/d2cp02827a

In this paper, the history, present status, and future of density-functional theory (DFT) is informally reviewed and discussed by 70 workers in the field, including molecular scientists, materials scientists, method developers and practitioners. The... Read More about DFT Exchange: Sharing Perspectives on the Workhorse of Quantum Chemistry and Materials Science.

Radio-Frequency Manipulation of State Populations in an Entangled Fluorine-Muon-Fluorine System (2022)
Journal Article
Billington, D., Riordan, E., Salman, M., Margineda, D., Gill, G. J., Cottrell, S. P., …Giblin, S. R. (2022). Radio-Frequency Manipulation of State Populations in an Entangled Fluorine-Muon-Fluorine System. Physical Review Letters, 129(7), https://doi.org/10.1103/physrevlett.129.077201

Entangled spin states are created by implanting muons into single-crystal LiY0.95Ho0.05F4 to form a cluster of correlated, dipole-coupled local magnetic moments. The resulting states have well-defined energy levels allowing experimental manipulation... Read More about Radio-Frequency Manipulation of State Populations in an Entangled Fluorine-Muon-Fluorine System.

Thermally Activated Delayed Fluorescence: Polarity, Rigidity, and Disorder in Condensed Phases (2022)
Journal Article
Phan Huu, D. A., Saseendran, S., Dhali, R., Gomes Franca, L., Stavrou, K., Monkman, A., & Painelli, A. (2022). Thermally Activated Delayed Fluorescence: Polarity, Rigidity, and Disorder in Condensed Phases. Journal of the American Chemical Society, 144(33), 15211 - 15222. https://doi.org/10.1021/jacs.2c05537

We present a detailed and comprehensive picture of the photophysics of thermally activated delayed fluorescence (TADF). The approach relies on a few-state model, parametrized ab initio on a prototypical TADF dye, that explicitly accounts for the nona... Read More about Thermally Activated Delayed Fluorescence: Polarity, Rigidity, and Disorder in Condensed Phases.