Effects of field-induced hole-density modulation on normal-state and superconducting transport in YBa2Cu3O7-x

X. X. Xi, C. Doughty, A. Walkenhorst, C. Kwon, Qi Li, T. Venkatesan

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Abstract

The hole-density dependence of the normal-state resistivity and transition temperature Tc of YBa2Cu3O7-x was studied using the electric field effect in ultrathin films of 1 to 8 unit cells thickness. The change in resistivity was found to be equal to the field-induced variation in the areal carrier density, leading to a relation that the conductivity is proportional to the hole density. A similar linear dependence was also found in Tc. However, a saturation occurred in both cases but at different hole densities. The result reveals different effects of hole filling in influencing normal-state and superconducting transport of YBa2Cu3O7-x.

Original languageEnglish (US)
Pages (from-to)1240-1243
Number of pages4
JournalPhysical Review Letters
Volume68
Issue number8
DOIs
StatePublished - Jan 1 1992

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modulation
electrical resistivity
transition temperature
saturation
conductivity
electric fields
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Xi, X. X. ; Doughty, C. ; Walkenhorst, A. ; Kwon, C. ; Li, Qi ; Venkatesan, T. / Effects of field-induced hole-density modulation on normal-state and superconducting transport in YBa2Cu3O7-x. In: Physical Review Letters. 1992 ; Vol. 68, No. 8. pp. 1240-1243.
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Effects of field-induced hole-density modulation on normal-state and superconducting transport in YBa2Cu3O7-x. / Xi, X. X.; Doughty, C.; Walkenhorst, A.; Kwon, C.; Li, Qi; Venkatesan, T.

In: Physical Review Letters, Vol. 68, No. 8, 01.01.1992, p. 1240-1243.

Research output: Contribution to journalArticle

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T1 - Effects of field-induced hole-density modulation on normal-state and superconducting transport in YBa2Cu3O7-x

AU - Xi, X. X.

AU - Doughty, C.

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AU - Li, Qi

AU - Venkatesan, T.

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