News tagged with applied physics

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Lead-free piezoelectric materials of the future

Piezoelectric materials have fantastic properties: squeeze them and they generate an electrical field. And vice-versa, they contract or expand when jolted with an electrical pulse. With a name derived from the Greek word ...

Sep 14, 2010
3.2 / 5 (5) 0 | with audio podcast

Tiny rulers to measure nanoscale structures

With the advent of nanometer-sized machines, there is considerable demand for stable, precise tools to measure absolute distances and distance changes. One way to do this is with a plasmon ruler. In physics ...

Aug 31, 2010
not rated yet 0 | with audio podcast

Half-a-loaf method can improve magnetic memories

Chinese scientists have shown that magnetic memory, logic and sensor cells can be made faster and more energy efficient by using an electric, not magnetic, field to flip the magnetization of the sensing layer only about halfway, ...

Aug 24, 2010
5 / 5 (1) 0

Glorious gadolinium gives flash memory a future

Future flash memory could be faster and store more data without changing its basic design by using a clever nanocrystal material proposed by scientists at Taiwan's Chang Gung University, who describe a new logical element ...

Aug 24, 2010
4.8 / 5 (6) 0

Selenium makes more efficient solar cells

Call it the anti-sunscreen. That's more or less the description of what many solar energy researchers would like to find -- light-catching substances that could be added to photovoltaic materials in order ...

Aug 03, 2010
4.5 / 5 (16) 6 | with audio podcast