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Current issue

ELEKTRO 11/2017 was released on November 6th 2017. Its digital version will be available on November 27th 2017.

Topic: Electrical distribution switchboards and switchboard technology; Rotating electrical machines

Main Article
Analysis of the CFD settings for simulating the temperature field of sinusoidal filter
On-line optimisation of current commutation angles in phases of BLDC motor

SVĚTLO (Light) 5/2017 was released on September 18th 2017. Its digital version will be available on September 18th 2017.

Luminaires and luminous apparatuses
MAYBE STYLE introducing LED design luminaires of German producer Lightnet
TREVOS – new luminaires for industry and offices
How many types of LED panels produces MODUS?
Intelligent LED luminaire RENO PROFI

Interiors lighting
The light in indoor flat interior – questions and answers

Nanowires as sensors in new type of atomic force microscope

17.10.2016 | Phys.org | www.phys.org

A new type of atomic force microscope (AFM) uses nanowires as tiny sensors. Unlike standard AFM, the device with a nanowire sensor enables measurements of both the size and direction of forces.

Nanowires are extremely tiny filamentary crystals which are built-up molecule by molecule from various materials and which are now being very actively studied by scientists all around the world because of their exceptional properties. The wires normally have a diameter of 100 nanometers and therefore possess only about one thousandth of a hair thickness.

New type of atomic force microscope

The team from the Swiss Nanoscience Institute (SNI) and the Department of Physics at the University of Basel has now demonstrated that nanowires can also be used as force sensors in atomic force microscopes. Based on their special mechanical properties, nanowires vibrate along two perpendicular axes at nearly the same frequency. When they are integrated into an AFM, the researchers can measure changes in the perpendicular vibrations caused by different forces. Essentially, they use the nanowires like tiny mechanical compasses that point out both the direction and size of the surrounding forces.

Read more at Phys.org

Image Credit: University of Basel, Department of Physics

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