A University of Wollongong-led team has combined two traditional semiconductor doping methods to achieve new efficiencies in the topological insulator bismuth-selenide (Bi 2 Se 3), Two doping elements ...
Scientists have induced high temperature superconductivity in a toplogical insulator, an important step on the road to fault-tolerant quantum computing. Reliable quantum computing would make it ...
The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
The thermoelectric effect has been known since 1821: with certain combinations of materials, a temperature difference generates an electric current. If one end of the sample is heated, for example ...
Researchers at the University of Maryland in the US are the first to have observed an insulating state at the surface of bismuth selenide. This material is normally a strong “topological insulator”, ...
In a new study, scientists have observed long-lived excitons in a topological material, opening intriguing new research directions for optoelectronics and quantum computing. A new University of ...
Thermoelectric devices, which convert heat to electricity, may find broader use now that researchers have found a way to make a recently identified cheap thermoelectric material practical enough for ...
Measurements at the BESSY II and PETRA IV synchrotron sources show that tin selenide can also be utilized as a thermoelectric material at room temperature -- so long as high pressure is applied. Tin ...
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