On the Fermi liquid effects in the upper critical field of NbN thin films

Jenh-Yih Juang*, David A. Rudman, Terry P. Orlando

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The temperature dependence of the upper critical field reveals that NbN is a paramagnetism limited superconductor with significant electron-electron exchange and correlation potential arising from the Fermi liquid effects, in sharp contrast to the strong spin-orbit scattering effects expected from the relatively high atomic number of Nb and the low electron density of states at the Fermi energy of NbN. The results also indicate that while the normal state resistivity of the films can be altered in a controlled manner, it does not correlate to the spin-orbit scattering rate directly.

Original languageEnglish
Pages (from-to)91-97
Number of pages7
JournalPhysics Letters A
Volume172
Issue number1-2
DOIs
StatePublished - 21 Dec 1992

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