We present the most downloaded papers of the pss journal family from May 2014.

Sensors, OPV modules, and light extractors: Advanced Optical Materials in May
Check out the articles highlighted on the covers of the latest issue of Advanced Optical Materials.
Most accessed papers in physica status solidi for April 2014
We present the most downloaded papers of the pss journal family from April 2014.

Purifying pharmaceuticals with nanostructured metasurfaces
A combination of nanotechnology and a unique twisting property of light could lead to new methods for ensuring the purity and safety of pharmaceuticals.

Stimulating neurons with IR-responsive gold nanorods
Silica-coated gold nanorods with absorption at precisely 780 nm cause action potentials in nerve cells when exposed to laser light.
Operating simplicity in industrial microscopy at EUSPEN
Olympus will present its innovative range of opto-digital microscopy systems at the EUSPEN conference.
March highlights from physica status solidi
RRAMs, magnetic microwires, and spin Hall effects – these and more in our March’s physics highlights.
Water disassociation experiments could improve catalysis
EPFL scientists use lasers to determine for the first time how specific vibrations in a water molecule affect its ability to dissociate.

Sandia labs launches new long-term project to fill materials behaviour gaps
Long-term, multidisciplinary project called Predicting Performance Margins aims to link variability in materials’ properties with how actual parts perform.

Photonics Europe 2014: the highlights
A report from the 2014 Photonics Europe meeting, held in Brussels, Belgium from the 14th to the 17th of April.