Kfe2as2 stm
Web24 jul. 2009 · Band structure and fermi surface of an extremely overdoped iron-based superconductor KFe2As2. Phys Rev Lett. 2009 Jul 24;103 (4):047002. doi: … Web1 dec. 2010 · Fig. 1. Fourier transforms of dHvA torque oscillations in KFe 2 As 2. T ∼ 0.05 mK. Our band structure calculation predicts three major FS cylinders, which occupy …
Kfe2as2 stm
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Web27 aug. 2014 · KFe2As2, an iron-based superconductor, is expected to exhibit large spin Hall conductivity, and fabrication of high-quality thin films is requisite for evaluation of this … Web28 apr. 2024 · KFe 2 As 2 is one of the representatives of iron-based superconductors. Many interesting features distinguish this compound from other iron-based superconductors, e.g., a realization of the Pauli limit or an occurrence of the …
Web16 jan. 2024 · With the same or slightly reduced high-energy renormalization, but enlarged low-energy coupling, the Cs122 data can be understood in qualitative accord with the … WebOur ultrahigh-resolution laser angle-resolved photoemission spectroscopy unveils that KFe 2 As 2 is a nodal s-wave superconductor with highly unusual FS-selective multi-gap structure: a nodeless gap on the inner FS, an unconventional gap with "octet-line nodes" on the middle FS, and an almost-zero gap on the outer FS.
WebAbstract. We report a sudden reversal in the pressure dependence of T c in the iron-based superconductor CsFe2As2, similar to that discovered recently in KFe2As2 [Tafti et al., Nat. Phys. 9, 349 (2013), 10.1038/nphys2617]. As in KFe2As2, we observe no change in the Hall coefficient at T →0, again ruling out a Lifshitz transition across the critical … Web17 jun. 2011 · Fig. 1 STM characterization of the as-grown FeSe films.The bright spots correspond to the Se atoms in the top layer. a and b correspond to either of Fe-Fe bond directions. The same convention is used for a and b axes throughout. (C) Temperature dependence of differential conductance spectra (setpoint, 10 mV, 0.1 nA).(D) Schematic …
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Web14 sep. 2012 · KFe 2 As 2 has been suggested to have a d -wave gap, similar to cuprate superconductors. Okazaki et al. (p. 1314) use laser-based angle-resolved photoemission spectroscopy (ARPES) to map out the superconducting gap on three Fermi surfaces (FS) of … manon landelleWebSTM on Unconventional Superconductors Program and Abstracts October 23-26, 2014 National Lab for Superconductivity Institute of Physics, Chinese Academy of Sciences Beijing National Laboratory for Condensed Matter Physics No.8, 3rd South Street, Zhongguancun, Haidian District, Beijing 100190, China manon immobilierWebWe report resistivity measurements performed on KFe 2 As 2 single crystals down to T = 0.3 K and in magnetic fields up to 17.5 T. The in-plane resistivity vs T curve has a … crkcostistaWeb7 mrt. 2012 · High-quality KFe2As2 (K122) single crystals synthesized by different techniques have been studied by magnetization and specific heat (SH) measurements. … crk copWeb2 dec. 2014 · STM image (5nm 5nm) of the ... As in KFe2As2, we observe no change in the Hall coefficient at the zero temperature limit, again ruling out a Lifshitz transition across the critical pressure Pc. mano niceWeb12 mrt. 2013 · Here we show that applying pressure to KFe2As2 induces a change of pairing state. The critical temperature Tc decreases with pressure initially, and then suddenly … manon lericheWeb4 mrt. 2024 · In this article, we present a milliKelvin scanning tunneling microscopy (STM) study on RbFe 2 As 2 single crystals. Compared to its sister compound KFe 2 As 2, … crk dares