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Quantum computing needs right combination of order and disorder

Quantum computing needs right combination of order and disorder
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Evangelos Varvelis , Christoph Berke , Davidp Divincenzo , Alexander Altland , David Divincenzo , Simon Trebst , Aachen University , Nature Communications , University Of Cologne , Institute For Theoretical Physics In Cologne , Quantum Computing , Computational Condensed Matter Physics , Theoretical Physics , Quantum Information ,

"Bite" defects in bottom-up graphene nanoribbons

“Bite” defects in bottom-up graphene nanoribbons Important findings in the context of the potential applications of graphene nanoribbons in nanoelectronics and quantum technology Empa / EPFL (adapted with permission from J. Phys. Chem. Lett. 2021,12, 4692-4696, Copyright 2021 American Chemical Society) Left: STM image of bottom-up zigzag graphene nanoribbons. Right: Spin-density in the vicinity of a bite defect in a zigzag graphene nanoribbon. Zoom in ).addClass( image-details ); var $imageCaption = $( ).addClass( image-caption ).text(caption); $imageDetails.append($imageCaption); element = $( ).append( × ).append($imageHolder).append($imageDetails)[0]; img.draggable = false; if (title) { element.title = title; } if (altText) { element.alt = altText; ....

Gnrs Zgnrs , Gabriela Borin Barin , Roman Fasel , Oleg Yazyev , Computational Condensed Matter Physics , Physical Chemistry Letters , Graphene Nanoribbons , Quantum Technology , கணக்கீட்டு அமுக்கப்பட்ட விஷயம் இயற்பியல் , உடல் வேதியியல் எழுத்துக்கள் ,

"Bite" defects in bottom-up graphene nanoribbons | EurekAlert! Science News

Scientists at Empa and EPFL have identified a new type of defect as the most common source of disorder in on-surface synthesized graphene nanoribbons, a novel class of carbon-based materials that may prove extremely useful in next-generation electronic devices. The researchers identified the atomic structure of these so-called bite defects and investigated their effect on quantum electronic transport. These kinds of defective zigzag-edged nanoribbons may provide suitable platforms for certain applications in spintronics. ....

Gnrs Zgnrs , Gabriela Borin Barin , Roman Fasel , Oleg Yazyev , Computational Condensed Matter Physics , Physical Chemistry Letters , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Superconductors Semiconductors , Electrical Engineering Electronics , கணக்கீட்டு அமுக்கப்பட்ட விஷயம் இயற்பியல் , உடல் வேதியியல் எழுத்துக்கள் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

Researchers Investigate Defects in Bottom-Up Armchair Graphene Nanoribbons


Researchers Investigate Defects in Bottom-Up Armchair Graphene Nanoribbons
Written by AZoNanoMay 19 2021
Graphene nanoribbons (GNRs), narrow strips of single-layer graphene, have interesting physical, electrical, thermal, and optical properties because of the interplay between their crystal and electronic structures. These novel characteristics have pushed them to the forefront in the search for ways to advance next-generation nanotechnologies.
While bottom-up fabrication techniques now allow the synthesis of a broad range of graphene nanoribbons that feature well-defined edge geometries, widths, and heteroatom incorporations, the question of whether or not structural disorder is present in these atomically precise GNRs, and to what extent, is still subject to debate. The answer to this riddle is of critical importance to any potential applications or resulting devices. ....

Gnrs Zgnrs , Michele Pizzochero , Roman Fasel , Oleg Yazyev , Harvard University , Computational Condensed Matter Physics , Physical Chemistry Letters , ஹார்வர்ட் பல்கலைக்கழகம் , கணக்கீட்டு அமுக்கப்பட்ட விஷயம் இயற்பியல் , உடல் வேதியியல் எழுத்துக்கள் ,