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New research could literally squeeze more power out of solar cells

A team led by Marin Alexe has published new research in the journal Science that could literally squeeze more power out of solar cells by physically deforming each of the crystals in the semiconductors used by photovoltaic cells. The paper entitled the “Flexo-Photovoltaic Effect” was written by Professor Marin Alexe, Ming-Min Yang, and Dong Jik Kim.

Fri 20 April 2018, 10:35 | Tags: Feature News, Press, Research

First detection of the second harmonic of decay-less kink oscillations in the solar corona

Fourier analysis of solar EUV observations has revealed two periods within an oscillating coronal loop. This finding has exciting implications for applying seismology generally.

Mon 19 March 2018, 16:51 | Tags: Research

Hydo-osmotic effects in cells

Large, membrane bound organelles spontaneously assemble within living cells. Slow osmotic fluxes may play a role, driving instabilities that are very different from the classical Rayleigh form.

Mon 12 March 2018, 12:05 | Tags: Research

Calculating the Magnetic Anisotropy of Rare-Earth-Transition-Metal Ferrimagnets

 A collaboration between theoretical and experimental physicists at Warwick has led to the development of a new computational approach to understanding magnetic measurements.

Wed 07 March 2018, 10:34 | Tags: Research

Photoelectric solar power revisited

A new solar power device similar to a thin double-glazed window has been developed by Gavin Bell (Nano Physics) and Yorck Ramachers (Particle Physics). The device uses inert gas instead of vacuum to transport electrical energy, and is based on the photoelectric effect rather than conventional photovoltaic materials. The idea has been published in the journal Joule [Bell, G. R. and Ramachers, Y. A., Joule (2017) DOI: 10.1016/j.joule.2017.11.007]. The key unknown is the photocathode material which must have highly optimised properties for the device to be efficient enough to compete with conventional photovoltaics. Possibilities include diamond thin films and special perovskite oxide materials.

Fri 12 January 2018, 16:44 | Tags: Research

A Spin Entanglement Witness for Quantum Gravity - Is Gravity a Quantum Force?

Understanding gravity in the framework of quantum mechanics is one of the great challenges in modern physics. Along this line, a prime question is to find whether gravity is a quantum entity subject to the rules of quantum mechanics. It is fair to say that there are no feasible ideas yet to test the quantum coherent behaviour of gravity directly in a laboratory experiment. In a recent paper, Gavin Morley and colleagues introduce an idea for such a test based on the principle that two objects cannot be entangled without a quantum mediator.

Tue 21 November 2017, 17:55 | Tags: Research

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