Ye, X., Zarifi, N., Zurek, E., Hoffmann, R. High- T c superconductivity in doped boron-carbon clathrates. First-principles search of hot superconductivity in La- X-H ternary hydrides. Tuning chemical precompression: theoretical design and crystal chemistry of novel hydrides in the quest for warm and light superconductivity at ambient pressures. in Reference Module in Chemistry, Molecular Sciences and Chemical Engineering (Elsevier, 2019). Conventional superconductivity at 203 kelvin at high pressures in the sulfur hydride system. Superconductive sodalite-like clathrate calcium hydride at high pressures. Synchrotron infrared spectroscopic evidence of the probable transition to metal hydrogen. Observation of the Wigner-Huntington transition to metallic hydrogen. High temperature superconductivity in metallic hydrogen: electron-electron enhancements. Metallic hydrogen: a high-temperature superconductor? Phys. LaBH 8: towards high- T c low-pressure superconductivity in ternary superhydrides. Design principles for high-temperature superconductors with a hydrogen-based alloy backbone at moderate pressure. Hot hydride superconductivity above 550 K. Room-temperature superconductivity in boron- and nitrogen-doped lanthanum superhydride. Route to a superconducting phase above room temperature in electron-doped hydride compounds under high pressure. Carbon content drives high temperature superconductivity in a carbonaceous sulfur hydride below 100 GPa. Retraction note: Room-temperature superconductivity in a carbonaceous sulfur hydride. Retraction article: Room-temperature superconductivity in a carbonaceous sulfur hydride. Anomalous high‐temperature superconductivity in YH 6. Synthesis of yttrium superhydride superconductor with a transition temperature up to 262 K by catalytic hydrogenation at high pressures. Evidence for superconductivity above 260 K in lanthanum superhydride at megabar pressures. Superconductivity at 250 K in lanthanum hydride under high pressures. Hydrogen clathrate structures in rare earth hydrides at high pressures: possible route to room-temperature superconductivity. Potential high- T c superconducting lanthanum and yttrium hydrides at high pressure. Hydrogen dominant metallic alloys: high temperature superconductors? Phys. Approaches for reducing the insulator-metal transition pressure in hydrogen. Superconductivity above 130 K in the Hg–Ba–Ca–Cu–O system. Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressure. Possible high T c superconductivity in the Ba–La–Cu–O system. Nobel Lecture: On superconductivity and superfluidity (what I have and have not managed to do) as well as on the “physical minimum” at the beginning of the XXI century. The resistance of pure mercury at helium temperatures. Nevertheless, further experiments and simulations are needed to determine the exact stoichiometry of hydrogen and nitrogen, and their respective atomistic positions, in a greater effort to further understand the superconducting state of the material. X-ray diffraction (XRD), energy-dispersive X-ray (EDX) and theoretical simulations provide some insight into the stoichiometry of the synthesized material. magnetic susceptibility, as well as heat-capacity measurements. These include temperature-dependent resistance with and without an applied magnetic field, the magnetization ( M) versus magnetic field ( H) curve, a.c. The compound was synthesized under high-pressure high-temperature conditions and then-after full recoverability-its material and superconducting properties were examined along compression pathways. Here we report evidence of superconductivity on a nitrogen-doped lutetium hydride with a maximum T c of 294 K at 10 kbar, that is, superconductivity at room temperature and near-ambient pressures. Ternary hydrogen-rich compounds, such as carbonaceous sulfur hydride, offer an even larger chemical space to potentially improve the properties of superconducting hydrides 14, 15, 16, 17, 18, 19, 20, 21. Over the past decade, high-pressure ‘chemical precompression’ 6, 7 of hydrogen-dominant alloys has led the search for high-temperature superconductivity, with demonstrated T c approaching the freezing point of water in binary hydrides at megabar pressures 8, 9, 10, 11, 12, 13. At ambient pressures, cuprates are the material class exhibiting superconductivity to the highest critical superconducting transition temperatures ( T c), up to about 133 K (refs. Despite decades of intense research efforts, such a state has yet to be realized 1, 2. The absence of electrical resistance exhibited by superconducting materials would have enormous potential for applications if it existed at ambient temperature and pressure conditions.
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