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Iron Selenide

All articles tagged with #iron selenide

science-and-technology1 year ago

Breakthrough in Superconductivity: US Scientists Unveil New Material

Researchers at Yale University have discovered a new type of superconducting material that supports the theory of superconductivity driven by electronic nematicity. Using a scanning tunneling microscope, they studied iron selenide materials mixed with sulfur at extremely low temperatures, revealing a "superconducting gap" that aligns with theoretical predictions. This breakthrough enhances understanding of superconductivity mechanisms and could lead to the development of advanced technologies like efficient power grids and high-speed computing systems.

via Interesting Engineering|
#electronic-nematicity#iron-selenide#scanning-tunneling-microscope
science1 year ago

New Superconductor Type Confirmed by Experiment

A Yale-led research team has provided strong evidence for a new type of superconductivity linked to electronic nematicity, a phase where particles break rotational symmetry. The study, published in Nature Physics, focused on iron selenide crystals mixed with sulfur, revealing a superconducting gap indicative of nematic fluctuation-driven superconductivity. This breakthrough could lead to new ways of achieving superconductivity without energy loss, advancing fundamental physics research.

via Phys.org|
#iron-selenide#nematicity#quantum-physics
science-and-technology2 years ago

MIT Physicists Uncover New Switch for Superconductivity

MIT physicists have discovered a new mechanism by which the superconductor iron selenide transitions into a superconducting state, involving a collective shift in atoms’ orbital energy, not atomic spins. This breakthrough opens up new possibilities for discovering unconventional superconductors. The higher the temperature at which a material can exhibit superconductivity, the more promising it can be for use in the real world, such as for realizing powerful electromagnets for more precise and lightweight MRI machines or high-speed, magnetically levitating trains.

via SciTechDaily|
#iron-selenide#mit#nematic-transition
science2 years ago

New Superconductivity Switch Discovered by Physicists.

MIT physicists have discovered a new mechanism for the nematic transition in iron selenide, a high-temperature iron-based superconductor. Unlike other iron-based superconductors, iron selenide undergoes a collective shift in its orbital energy, rather than a coordinated shift in spins. This discovery offers a new avenue to discovering unconventional superconductors and improving existing ones, which could have real-world applications such as in MRI machines and magnetically levitating trains.

via Phys.org|
#iron-selenide#mit#nematic-transition
science2 years ago

New switch found to control superconductivity.

MIT physicists have discovered a new mechanism for the nematic transition in iron selenide, a two-dimensional material that is the highest-temperature iron-based superconductor. The material is known to switch to a superconducting state at temperatures as high as 70 kelvins. The team found that iron selenide shifts through a collective shift in their orbital energy, rather than undergoing a coordinated shift in spins. This discovery offers an additional avenue to realize superconducting states and could help scientists improve existing superconductors and discover new ones.

via MIT News|
#iron-selenide#mit#nematic-transition