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Nanophysics Dec 17, 2020

Scientists discover insulator-to-semiconductor transition in fluorescent carbon quantum dots

Recently, researchers led by Prof. XU Wen from the Institute of Solid State Physics of the Hefei Institutes of Physical Science (HFIPS), along with their collaborators from the Southwest University in Chongqing, applied the ...

Nanophysics Dec 9, 2020

Atom-thin transistor uses half the voltage of common semiconductors, boosts current density

University at Buffalo researchers are reporting a new, two-dimensional transistor made of graphene and the compound molybdenum disulfide that could help usher in a new era of computing.

Optics & Photonics Dec 7, 2020

New semiconductor detector shows promise for medical diagnostics and homeland security

Security officials are tasked with preventing criminals from smuggling dangerous materials into a country, and detecting nuclear substances has been difficult and costly. Now Northwestern University researchers have developed ...

General Physics Dec 3, 2020

Researchers pioneer a revolutionary new method to directly observe dark excitons

Heralding the end of a decade-long quest, in a promising new class of extremely thin, two-dimensional semiconductors, scientists have for the first time directly visualized and measured elusive particles, called dark excitons, ...

Analytical Chemistry Dec 1, 2020

A semiconductor chip detects antigen concentrations at 1 parts per quadrillion molar mass

Associate Professor Kazuhiro Takahashi and Assistant Professor Yong-Joon Choi of the Department of Electrical and Electronic Information Engineering at Toyohashi University of Technology have developed a chip that can sense ...

Nanomaterials Nov 23, 2020

Strain engineering of 2-D semiconductor and graphene

Strain engineering usually refers to a kind of material processing technology which aims to regulate the properties of materials or optimize related devices' performance by inherent or external strain. In recent years, with ...

Nanomaterials Nov 13, 2020

Producing materials to help break the electronics scaling limit

Ph.D. candidate Saravana Balaji Basuvalingam at the TU/e Department of Applied Physics has developed a new approach to grow, in a controlled and effective way, a library of so-called "TMC materials" with various properties ...

Materials Science Nov 11, 2020

Turning heat into power with efficient organic thermoelectric material

Thermoelectric materials can turn a temperature difference into electricity. Organic thermoelectric materials could be used to power wearable electronics or sensors; however, the power output is still very low. An international ...

Materials Science Nov 11, 2020

Researchers make theoretical prediction of 2-D semiconductor tin dioxide

Recently, Prof. Zheng Xiaohong's research group from the Institute of Solid State Physics (ISSP) of the Hefei Institute of Physical Science (HFIPS) predicted a new two-dimensional (2-D) tin dioxide (SnO2) monolayer phase ...

Condensed Matter Nov 5, 2020

Blue phosphorus: How a semiconductor becomes a metal

The chemical element phosphorus is considered one of the most essential elements for life. Phosphorus compounds are deeply involved in the structure and function of organisms. Every human carries about one kilogram of it ...

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