ZPEnergy.com - New proposed superconductor at room temperature

From arxiv.org: Superconductor Pb10−xCux(PO4)6O showing levitation at room temperature and atmospheric pressure and mechanism

Sukbae Lee, Jihoon Kim, Hyun-Tak Kim, Sungyeon Im, SooMin An, Keun Ho Auh/ (Picture via asiafinancial.com)

A material called LK-99, a modified-lead apatite crystal structure with the composition Pb10−xCux(PO4)6O (0.9<x<1.1), has been synthesized using the solid-state method. The material exhibits the Ohmic metal characteristic of Pb(6s1) above its superconducting critical temperature, Tc, and the levitation phenomenon as Meissner effect of a superconductor at room temperature and atmospheric pressure below Tc.

A LK-99 sample shows Tc above 126.85∘C (400 K). We analyze that the possibility of room-temperature superconductivity in this material is attributed to two factors: the first being the volume contraction resulting from an insulator-metal transition achieved by substituting Pb with Cu, and the second being on-site repulsive Coulomb interaction enhanced by the structural deformation in the one-dimensional(D) chain (Pb2-O1/2-Pb2 along the c-axis) structure owing to superconducting condensation at Tc. The mechanism of the room-temperature Tc is discussed by 1-D BR-BCS theory.

Source: https://arxiv.org/abs/2307.12037

Check this as well: https://sciencecast.org/casts/suc384jly50n

Korea Superconductor Papers Published ‘Without Consent’ – Yonhap

And "If this semiconductor is real"


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