ScienceDaily: Consumer Electronics News

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• Scalable CVD process for making 2-D molybdenum diselenide
• Hybrid technology could make Star Trek-style medical tricorder a reality
• Mixing silicon with other materials improves the diversity of nanoscale electronic devices
• Silicon helps light go through the right channels: Improved design of lasers on optoelectronic chips
• Probing polarization puzzles: Electron beams to encode data in nanocrystals may improve capacity of computer memory devices

Scalable CVD process for making 2-D molybdenum diselenide Posted: 08 Apr 2014 08:22 AM PDT Nanoengineering researchers have unveiled a potentially scalable method for making one-atom-thick layers of molybdenum diselenide -- a material that is similar to graphene but has better properties for making certain electronic devices like switchable transistors and light-emitting diodes.

Hybrid technology could make Star Trek-style medical tricorder a reality Posted: 08 Apr 2014 08:14 AM PDT Scientists are aiming to develop a handheld testing device to provide same day diagnosis from a patient's bedside. In the fictional Star-Trek universe, the tricorder was used to remotely scan patients for a diagnosis. The new device could replace the current conventional diagnostic method, which is lengthy and is limited to single point measurements, due to the prohibitive costs and sample volumes required, preventing continuous monitoring of disease progression.

Mixing silicon with other materials improves the diversity of nanoscale electronic devices Posted: 30 Mar 2014 04:36 PM PDT The semiconductor silicon lies at the heart of the current revolution in electronics and computing. In particular, it can produce compact integrated circuits when processed by modern techniques capable of fabricating structures just a few nanometers in size.

Silicon helps light go through the right channels: Improved design of lasers on optoelectronic chips Posted: 30 Mar 2014 04:36 PM PDT When it comes to data transmission, light is superior to electronics. An ability to transmit data in parallel by utilizing multiple light wavelengths allows optical fibers to carry more information than electrical cables. Computers are currently based on electronics, but they would benefit from employing optical signals. However, for this to become a reality, it needs to be implemented on a small scale and result in low power consumption.

Probing polarization puzzles: Electron beams to encode data in nanocrystals may improve capacity of computer memory devices Posted: 30 Mar 2014 04:36 PM PDT Ferroelectric materials have an intrinsic electrical polarization caused by a small shift in the position of some of their atoms that occurs below a critical point called the Curie temperature. This polarization can be switched by an external electric field, an effect exploited in some computer memory devices.

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