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Reconfigurable electronic devices that can be shaped in two or more stable geometries modifying their functionalities have been realized by engineering the sequence in which the elastomeric substrates are mechanically buckled.
The structure of the platelet defect in diamond has been determined by transmission electron microscopy, distinguishing the best-matched atomic model that settles a long-standing debate.
A synchrotron X-ray diffraction experiment demonstrates an unexpected accumulation of electron density in the interlayer region of TiS2, and provides a benchmark for theoretical models of weak interlayer bonding.
The resource-rich continent of Africa is showing signs of significant progress in materials science research and is harnessing a plethora of human and material resources to tackle a wide range of challenges.
A p-type metallic sheet forms between two oxide insulators, LaAlO3 and SrTiO3. Suppression of oxygen vacancies in SrTiO3 plays a critical role in forming this sheet.
A metal–organic framework with tailored porosity provides a mixed matrix membrane with excellent performance for natural gas purification and butane isomer separation.
By combining electron energy-loss magnetic chiral dichroism and chromatic-aberration-corrected transmission electron microscopy, it becomes possible to achieve atomic-scale imaging of magnetic circular dichroism.
Investigation of the thermal transport properties of AgCrSe2 reveals complete suppression of the transverse acoustic phonons by ultrafast dynamic disorder with only the longitudinal acoustic mode surviving, resembling the thermal conduction of liquids.
A SrTiO3/LaAlO3/SrTiO3 heterostructure is fabricated in high oxygen partial pressure to prevent oxygen vacancy formation. Electrical transport and electron holography directly observes a highly mobile two dimensional hole gas at the top interface.
The mechanism by which cell geometry regulates cell signalling is reported to be modulated by lipid rafts within the plasma membrane, which are now shown to be responsible for geometry-dependent mesenchymal stem cell differentiation.
The accurate structure of the platelet defects in diamond is now resolved by transmission electron microscopy, and, out of all the proposed models, it agrees well with the zigzag atomic model.
Electron density in TiS2 is determined by synchrotron X-ray diffraction, which reveals significant differences between experimental data and theory for interlayer van der Waals interactions.
This work reports a quantitative investigation of the interaction parameter and miscibility of donor and acceptor organic molecules and their relationship with the fill factor and photovoltaic performance of bulk-heterojunction organic solar cells.
CsPbI3–xBrx solar cells, which undergo temperature- and moisture-driven reversible transitions between a non-perovskite transparent phase and a perovskite light-absorbing phase, are used as thermochromic photovoltaic devices integrated in windows.
Reconfigurable electronic devices that can be shaped in two or more stable geometries modifying their functionalities have been realized by engineering the sequence in which the elastomeric substrates are mechanically buckled.
Understanding the structural stability of platinum surfaces upon oxidation and reduction conditions has proved challenging. A correlation of surface site formation to nanoisland growth in the electrochemical roughening of Pt(111) is now identified.
Sub-micrometre MOF particles are incorporated into polymers to form mixed matrix membranes. Molecular sieving enables performance far beyond current limits for two applications, butane isomer separation and combined CO2/H2S removal from natural gas.