David Walker

Jul 25, 2024 | dx.doi.org | Marcin Giza |David Walker |Jie Liu

IntroductionClick to copy section linkSection link copied!Metal halide perovskites are known for their outstanding optoelectronical properties, such as long carrier lifetimes (>100 ns), (1) efficient radiative interband processes (reaching 50% at charge carrier densities of 1017 cm–3), and reasonable charge carrier mobilities (10 to 35 cm2 V–1 s–1), (2,3) which enable applications in photovoltaics, light-emitting diodes, (4) and photodetectors.

Jul 1, 2024 | edinburghlive.co.uk | David Walker |Lee Dalgetty

A new survey has revealed where to find the cheapest, and the most expensive, Wetherspoons pint in Scotland - and they're both in Edinburgh. Research carried about by Stocklytics examined the average cost for a pint of Carling, Budweiser, Guinness, Heineken, Peroni and Stella at each brand. The average cost of the least expensive one is £3.19. Edinburgh's Walter Scott pub in Edinburgh Airport had the most expensive pint, sitting at £6.90.

Jun 30, 2024 | edinburghlive.co.uk | David Walker

It's officially summer holiday time here in Scotland, and despite the slightly disappointing weather, its still comfortably warm. With day trips to the North of the border offering an affordable way to keep the little ones entertained, or allow tourists a glimpse into a lesser-known part of Scotland.