Unusual spectral signatures of organic 1D metals
We have studied by high resolution angle resolved photoelectron spectroscopy the spectral properties of two metallic and one insulating Bechgaard salts, quasi-1D organic materials. The spectra of the metals show no dispersing quasiparticle peak crossing the Fermi level. Instead a deep pseudogap is observed. The spectral lineshape is incompatible with that of ''normal'' metals. The spectrum of the insulator exhibits a real energy gap.
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Univ wisconsin,dept phys,madison,wi 53706. Zwick, F, ECOLE POLYTECH FED LAUSANNE,INST PHYS APPL,CH-1015 LAUSANNE,SWITZERLAND.
ISI Document Delivery No.: YK816
Record created on 2006-10-03, modified on 2016-08-08