Journal article
Muon Spin Relaxation Studies of Zn-Substitution Effects in High- Tc Cuprate Superconductors
Abstract
We have performed transverse-field muon spin relaxation measurements of the Zn-substituted cuprate high- Tc superconductors: La2-xSrx(Cu1-yZny)O4 and YBa2(Cu1-yZny)3O6.63. The superconducting carrier density/effective mass ns/m* ratio at T→0 decreases with increasing Zn concentration, in a manner consistent with our “swiss cheese” model in which charge carriers within an area πξab2 around each Zn are excluded from the superfluid. We discuss …
Authors
Nachumi B; Keren A; Kojima K; Larkin M; Luke GM; Merrin J; Tchernyshöv O; Uemura YJ; Ichikawa N; Goto M
Journal
Physical Review Letters, Vol. 77, No. 27, pp. 5421–5424
Publisher
American Physical Society (APS)
Publication Date
December 30, 1996
DOI
10.1103/physrevlett.77.5421
ISSN
0031-9007