Abstract
Transverse-field muon spin rotation measurements of overdoped La2-x Srx CuO4 reveal a large broadening of the local magnetic field distribution in response to applied field, persisting to high temperatures. The field response is approximately Curie-Weiss-like in temperature and is largest for the highest doping investigated. Such behavior is contrary to the canonical Fermi-liquid picture commonly associated with the overdoped cuprates and implies extensive heterogeneity in this region of the phase diagram. A possible explanation for the result lies in regions of staggered magnetization about dopant cations, analogous to what is argued to exist in underdoped systems.
| Original language | English |
|---|---|
| Article number | 014508 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 81 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 11 2010 |
| Externally published | Yes |