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Study: Important contribution to spintronics has received little consideration until now

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The movement of electrons can have a significantly greater influence on spintronic effects than previously assumed. This discovery was made by an international team of researchers led by physicists from the Martin Luther University Halle-Wittenberg (MLU). Until now, a calculation of these effects took, above all, the spin of electrons into consideration. The study was published in the journal Physical Review Research and offers a new approach in developing spintronic components.
Many technical devices are based on conventional semiconductor electronics. Charge currents are used to store and process information in these components. However, this electric current generates heat and energy is lost. To get around this problem, spintronics uses a fundamental property of electrons known as spin. This is an intrinsic angular momentum, which can be imagined as a rotational movement of the electron around its own axis, explains Dr Annika Johansson, a physicist at MLU. ....

Annika Johansson , Deutsche Forschungsgemeinschaft German Research Foundation , Alexander Von Humboldt Foundation , Martin Luther University Halle Wittenberg , European Research Council , Deutsche Forschungsgemeinschaft , German Research Foundation , Review Research , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Superconductors Semiconductors , Particle Physics , அன்னிக்க ஜோஹன்சன் , அலெக்சாண்டர் வான் ஹம்போல்ட் அடித்தளம் , மார்டின் லூதர் பல்கலைக்கழகம் ஹால் விட்டன்பெர்க் , ஐரோப்பிய ஆராய்ச்சி சபை , ஜெர்மன் ஆராய்ச்சி அடித்தளம் , விமர்சனம் ஆராய்ச்சி , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

Transformation toughening of ceramics made crystal clear

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Tsukuba, Japan - Ceramic materials that are resistant to cracking are used in a variety of industries from aerospace engineering to dentistry. Toughening them to improve their efficiency and safety is therefore an important area of investigation. Researchers from the University of Tsukuba have used time-resolved X-ray diffraction to observe transformation toughening in zirconia ceramics during dynamic fracture. Their findings are published in
Applied Physics Letters.
Current methods of observation allow the formation of cracks in materials to be observed in situ while loads are applied. These close-up analyses can capture changes on a very small scale with fast resolution, providing clear pictures of fractures and of how the material resists them through toughening. ....

Atsushi Kyono , University Of Tsukuba , Applied Physics , Professor Atsushi , Applied Physics Letters , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Industrial Engineering Chemistry , Research Development , பல்கலைக்கழகம் ஆஃப் ட்சூகுபா , பயன்படுத்தப்பட்டது இயற்பியல் , பயன்படுத்தப்பட்டது இயற்பியல் எழுத்துக்கள் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

How catalysts age

PSI researchers have developed a new tomography method with which they can measure chemical properties inside catalyst materials in 3-D extremely precisely and faster than before. The application is equally important for science and industry. The researchers published their results today in the journal Science Advances. ....

Switzerland General , Zirui Gao , Johannes Ihli , Manuel Guizar Sicairos , D Ferreira Sanchez , Photon Science Division , Environment Division , Paul Scherrer Institute , Laboratory For Macromolecules , Paul Scherrer Institute Laura Hennemann , Swiss Light Source , Paul Scherrer , Scherrer Institute , Mirko Holler , Chemistry Physics Materials Sciences , சுவிட்சர்லாந்து ஜநரல் , ஃபோட்டான் அறிவியல் பிரிவு , சூழல் பிரிவு , பால் ஸ்செற்றேற் நிறுவனம் , சுவிஸ் ஒளி மூல , பால் ஸ்செற்றேற் , ஸ்செற்றேற் நிறுவனம் , மிற்கோ உரக்க கத்து , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

New processes for automated fabrication of fiber and silicone composite structures for soft robotics

Credit: SUTD
Researchers from the Singapore University of Technology and Design (SUTD) have developed novel techniques, known as Automated Fibre Embedding (AFE), to produce complex fibre and silicone composite structures for soft robotics applications. Their work was published in
IEEE Robotics and Automation Letters.
Many soft robot components, including sensors and actuators, utilise embedded continuous fibres within elastomeric substrates to achieve various functionalities. However, manual embedding of continuous fibres in soft substrates is challenging due to the complexities involved in handling precise layering, and retaining of the fibres in the patterned positions which are prone to inconsistencies.
In contrast, the AFE approaches developed by the research team led by Assistant Professor Pablo Valdivia y Alvarado, enabled high precision fabrication of complex layered composites without manual user intervention, thus significantly augmenting the range of fa ....

Pablo Valdiviay Alvarado , Singapore University Of Technology , Singapore University , Automated Fibre Embedding , Assistant Professor Pablo Valdivia , Direct Ink Writing , Chemistry Physics Materials Sciences , Technology Engineering Computer Science , Theory Design , Electrical Engineering Electronics , Research Development , Robotry Artificial Intelligence , சிங்கப்பூர் பல்கலைக்கழகம் ஆஃப் தொழில்நுட்பம் , சிங்கப்பூர் பல்கலைக்கழகம் , நேரடி மை எழுதுதல் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

Single-particle studies point the way toward next-generation light displays

Researchers from the University of Tsukuba synthesized microparticles that exhibit complex fluorescence that has not been previously characterized on a supramolecular level. This fluorescence is attributable to the anisotropic helical arrangement of the polymer chains that comprise the microparticles. Liquid-crystal displays, artificial photosynthesis technologies, and other applications will benefit from the molecular-scale insight provided by these findings. ....

United States , Yohei Yamamoto , Journal Of The American Chemical Society , University Of Tsukuba , American Chemical Society , Professor Yohei Yamamoto , Chemistry Physics Materials Sciences , Polymer Chemistry , ஒன்றுபட்டது மாநிலங்களில் , யோஹெய் யாமேமோடோ , இதழ் ஆஃப் தி அமெரிக்கன் இரசாயன சமூகம் , பல்கலைக்கழகம் ஆஃப் ட்சூகுபா , அமெரிக்கன் இரசாயன சமூகம் , ப்ரொஃபெஸர் யோஹெய் யாமேமோடோ , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,