Published April 1992
| Version v1
Journal article
Coexistence of superconductivity and magnetic order in YBa2Cu4O8
- 1. Racah Inst. of Physics, Hebrew Univ., Jerusalem (Israel)
Description
57Fe Moessbauer spectroscopy, magnetic susceptibility and powder X-ray-diffraction measurements were used to study superconductivity and magnetic order in YBa2(Cu1-xFex)4O8+δ. Tc is decreasing with x, disappearing for x>xc≅0.04. For xxc magnetic order is observed in the Cu(2) site, TN=380(5) K for x=0.1 and Heff (Cu(2), 4.2 K)=510(2) kOe. However, the most surprising discovery is that for x=0.025, for which Tc=27(2) K, the Fe in the Cu(1) site orders magnetically at TN=30(2) K and Heff (Cu(1), 4.2 K)=461(2) kOe. The coexistence and competition between superconductivity and magnetic order in the Cu(1) and Cu(2) sites in YBa2Cu4O8 are discussed in terms of the previously observed phase diagrams for Y1-xPrxBa2(Cu1-yFey)3Oz. (orig.)
Additional details
Publishing Information
- Journal Title
- Hyperfine Interactions
- Journal Volume
- 70
- Journal Issue
- 1-4
- Series
- Hyperfine Interact.
- Journal Page Range
- 1163-1166
- ISSN
- 0304-3843
- CODEN
- HYIND
Conference
- Title
- International conference on the applications of the Moessbauer effect (ICAME '91).
- Dates
- 16-20 Sep 1991.
- Place
- Nanjing (China).
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Switzerland
- INIS RN
- 23085890
- Subject category
- S36: MATERIALS SCIENCE; S36: MATERIALS SCIENCE;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- BARIUM OXIDES; BOND ANGLE; BOND LENGTHS; COPPER OXIDES; HIGH-TC SUPERCONDUCTORS; IRON OXIDES; IRON 57; MAGNETIC FIELDS; MAGNETIC PROPERTIES; MAGNETIC SUSCEPTIBILITY; MOESSBAUER EFFECT; PHASE DIAGRAMS; POWDERS; QUANTITY RATIO; SUPERCONDUCTIVITY; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0000-0013 K; TEMPERATURE RANGE 0065-0273 K; TRANSITION TEMPERATURE; X-RAY DIFFRACTION; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; COHERENT SCATTERING; COPPER COMPOUNDS; DIAGRAMS; DIFFRACTION; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; EVEN-ODD NUCLEI; INFORMATION; INTERMEDIATE MASS NUCLEI; IRON COMPOUNDS; IRON ISOTOPES; ISOTOPES; NUCLEI; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; SCATTERING; STABLE ISOTOPES; SUPERCONDUCTORS; TEMPERATURE RANGE; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS