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Nanomaterials Jul 25, 2019

Giant gate-tunable bandgap renormalization and excitonic effects in a 2-D semiconductor

Investigating the remarkable excitonic effects in two-dimensional (2-D) semiconductors and controlling their exciton binding energies can unlock the full potential of 2-D materials for future applications in photonic and ...

Materials Science Jul 25, 2019

Engineers discover lead-free perovskite semiconductor for solar cells using data analytics, supercomputers

Solar panel installations are on the rise in the U.S., with more than 2 million new installations in early 2019, the most ever recorded in a first quarter, according to a recent report by Solar Energy Industries Association ...

Nanophysics Jul 24, 2019

Valleytronics core theory for future high-efficiency semiconductor technology

A DGIST research team discovered a theory that can expand the development of valleytronics technology, which has been drawing attention as a next generation semiconductor technology. This is expected to advance the development ...

Materials Science Jul 24, 2019

Does one size does fit all? A new model for organic semiconductors

Organic materials that can conduct charge have the potential to be used in a vast array of exciting applications, including flexible electronic devices and low-cost solar cells. However, to date, only organic light emitting ...

Optics & Photonics Jul 23, 2019

Physicists have let light through the plane of the world's thinnest semiconductor crystal

In every modern microcircuit hidden inside a laptop or smartphone, you can see transistors—small semiconductor devices that control the flow of electric current, i.e. the flow of electrons. If we replace electrons with ...

Nanophysics Jul 9, 2019

X-rays reveal monolayer phase in organic semiconductor

A team of researchers from Russia, Germany, and France, featuring materials scientists from the Moscow Institute of Physics and Technology, has investigated how the electrical properties of dihexyl-quarterthiophene thin films ...

Condensed Matter Jul 8, 2019

A new method to study polarons in insulators and semiconductors

A team of researchers at the University of Oxford have recently introduced a new way to model polarons, a quasiparticle typically used by physicists to understand interactions between electrons and atoms in solid materials. ...

Materials Science Jun 17, 2019

Tuning into the LCDs of tomorrow: Exploring the novel IGZO-11 semiconductor

In 1985, Noboru Kimizuka of the National Institute for Research in Inorganic Materials, Japan had pioneered the idea of polycrystalline indium-gallium-zinc oxide (IGZO) ceramics, with the general chemical formula (InGaO3)m(ZnO)n ...

General Physics Jun 7, 2019

Probing semiconductor crystals with a sphere of light

Tohoku University researchers have developed a technique using a hollow sphere to measure the electronic and optical properties of large semiconducting crystals. The approach, published in the journal Applied Physics Express, ...

Materials Science Jun 6, 2019

Organic electronics: A new semiconductor in the carbon-nitride family

Teams from Humboldt-Universität and the Helmholtz-Zentrum Berlin have explored a new material in the carbon-nitride family. Triazine-based graphitic carbon nitride (TGCN) is a semiconductor that should be highly suitable ...

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