Scanning tunneling microscopy at the NbSe3 surface: Evidence for interaction between q(1) and q(2) charge density waves in the pinned regime
نویسندگان
چکیده
منابع مشابه
STM evidence of room-temperature charge instabilities in NbSe3.
NbSe3 is a quasi-low-dimensional compound with unique properties. Two incommensurate charge-density waves appear at low temperatures, which slide under the application of an electric field. The mechanism of sliding is not fully understood and it was speculated that precursor effects may be present above the onset temperatures. Scanning tunneling microscopy offers a unique tool to search for suc...
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Low-temperature electronic properties of the charge-density-wave system NbSe3 are reported from angle-resolved photoemission at 15 K. The effect of two instabilities q(1) and q(2) on the k-resolved spectral function is observed for the first time. With a pseudogap background, the gap spectra exhibit maxima at Delta*(1) approximately 110 meV and Delta*(2) approximately 45 meV. Imperfectly nested...
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