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43 papers
Superconductor PbCu(PO)O showing levitation at room temperature and atmospheric pressure and mechanism
Sukbae Lee, Jihoon Kim, Hyun-Tak Kim +3
A material called LK-99, a modified-lead apatite crystal structure with the composition PbCu(PO)O (), has been synthesized using the solid-state met…
Identifying diverging-effective mass in MOSFET and He systems
Hyun-Tak Kim
Emerging devices such as a neuromorphic device and a qubit can use the Mott transition phenomenon, but in particular, the diverging mechanism of the phenomenon remains to be clarif…
Mott switching and structural transition in the metal phase of nanodomain
Chang-Yong Kim, Tetiana Slusar, Jinchul Cho +1
undergoes the insulator-metal transition (IMT) and monoclinic-rutile structural phase transition (SPT) near . The IMT switching has many applications. However, there…
Fallacies on pairing symmetry and intrinsic electronic Raman spectrum in high-Tc cuprate superconductors
Hyun-Tak Kim
Certain significant fallacies are involved in discussions of the high-Tc mechanism unsolved for over 30 years in cuprate superconductors. These fallacies are explored with the aim…
High- mechanism through analysis of diverging effective mass for YaBaCuO and pairing symmetry in cuprate superconductors
Hyun-Tak Kim
In order to clarify the high- mechanism in inhomogeneous cuprate layer superconductors, we deduce and find the correlation strength not revealed before, contributing to the fo…
Artifact Free Transient Near-Field Nanoscopy
Aaron Sternbach, James Hinton, Tetiana Slusar +11
We report on the first implementation of ultrafast near field nanoscopy carried out with the transient pseudoheterodyne detection method (Tr-pHD). This method is well suited for ef…