News tagged with substrates

Embracing superficial imperfections

Chemists normally work rigorously to exclude impurities from their reactions. This is especially true for scanning tunneling microscopy (STM) experiments that can produce atomic-scale images of surfaces. Using ...

Jul 01, 2011 5 / 5 (2) 0 | with audio podcast

Researchers create a smaller, flexible LED

University of Miami professor at the College of Engineering, Jizhou Song, has helped design an light-emitting diode (LED) light that uses an array of LEDs 100 times smaller than conventional LEDs. The new device has flexibility, ...

Jun 20, 2011 4.8 / 5 (8) 0 | with audio podcast

Seeing an atomic thickness

Scientists from NPL, in collaboration with Linkoping University, Sweden, have shown that regions of graphene of different thickness can be easily identified in ambient conditions using Electrostatic Force ...

May 19, 2011 4 / 5 (2) 0

Biosensors: Sweet and simple

Surface-enhanced Raman spectroscopy (SERS) is a highly sensitive and versatile analytical tool that is widely used in biosensing applications. In conventional Raman spectroscopy, molecules are detected by ...

Apr 14, 2011 4.7 / 5 (3) 0