Phys. Rev. B 45, 9469–9472 (1992)Charge-density-wave modifications in NbSe3 produced by Fe and Co doping
Dilute concentrations of impurities in NbSe3 crystals change the charge-density-wave (CDW) energy gaps very rapidly while the onset temperatures show very small changes. Fe concentrations of <1% reduce the two CDW energy gaps by approximately 30%, while Co concentrations of <3% increase the low-temperature CDW energy gap by approximately 37% and the high-temperature CDW gap by approximately 28%. The real-space scanning-tunneling-microscope scans show changes in the relative CDW modulation amplitudes consistent with the observed changes in the energy gaps. © 1992 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.45.9469
DOI:
10.1103/PhysRevB.45.9469
PACS:
61.16.Di, 73.20.Dx, 73.40.Gk
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