Applied Physics Express

News

09 Dec 2019
Researchers at Tohoku University have discovered a way to detect carbon impurity in nitride semiconductors using light.
07 Nov 2019
A dietary fibre can help separate out semiconducting carbon nanotubes used for making transistors for flexible electronics.
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07 Jun 2019
Tohoku University researchers have developed a technique using a hollow sphere to measure the electronic and optical properties of large semiconducting crystals. The approach improves on current photoluminescence spectroscopy techniques and could lead to energy savings for mass producers, and thus consumers, of power devices.
Conceptual illustration showing that sensitivity of the bistable system becomes high when Gaussian noise is imposed to a weak signal.
05 Apr 2018
A team of Japanese researchers has discovered a new mechanism to explain stochastic resonance, in which sensitivity to weak signals is enhanced by noise. The finding is expected to help electronic devices become smaller and more energy-efficient.
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19 Dec 2016
Researchers at Tohoku University have, for the first time, successfully demonstrated the basic operation of spintronics-based artificial intelligence.
New Heterogeneous Wavelength Tunable Laser Diode for High Frequency Efficiency
03 Jun 2015
Researchers at Tohoku University and the National Institute of Information and Communications Technology (NICT) in Japan, have developed a novel ultra-compact heterogeneous wavelength tunable laser diode.
08 Oct 2014
IOP Publishing congratulates Japanese-born scientists Isamu Akasaki, Hiroshi Amano and Shuji Nakamura on becoming the latest Nobel prize laureates for their invention of “efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources"
20 Jun 2014
Using a soft X-ray microscope, a Japanese research team has examined the nanostructure of organic solar cells and discovered that different molecules are intermixed in each molecular domain.
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24 Mar 2011
Silicon-based semiconductor devices dominate the microelectronics industry and are used for the fabrication of high density integrated circuits comprising of memory and processing devices. However, silicon has an indirect band gap, which severely limits its use for fabricating photonic devices such as light emitting diodes (LEDs) and lasers.
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31 Jan 2011
Development of novel transistor with combined logic and memory functions with power consumption reduced to one-millionth that of conventional devices.

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