Phase separation and doped-hole segregation in La{sub 2}CuO{sub 4+{delta}} and La{sub 2-x}Sr{sub x}CuO{sub 4+{delta}}
Conference
·
OSTI ID:10165851
- Ames Lab., IA (United States)
- Sandia National Labs., Albuquerque, NM (United States)
This paper reviews the magnetic, superconducting and structural phase diagrams of the title systems, with an emphasis on recent results from magnetic and structural neutron diffraction, magnetic susceptibility and {sup 139}La nuclear quadrupole resonance measurements. Results clarify the miscibility gap in the La{sub 2}CuO{sub 4+{delta}} system and indicate the occurrence of frustrated phase separation on a nanoscopic length scale in the La{sub 2{minus}x}Sr{sub x}CuO{sub 4} system with 0 < x {approx_lt} 0.05.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States); National Science Foundation, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 10165851
- Report Number(s):
- ANL/MSD/CP--83051; CONF-940701--15; ON: DE94015070; CNN: Grant 91-20000
- Country of Publication:
- United States
- Language:
- English
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