Structural, transport, and magnetic properties of PrBa2-xSrxCu3O7-δ
Creators
- 1. Department of Physics, Tsinghua University, Beijing 100084 (China)
- 2. Institute of Physics, Chinese Academy of Sciences, Beijing 100080 (China)
Description
Structural, electrical transport, and magnetic properties of polycrystalline samples of PrBa2-xSrxCu3O7-δ were investigated. The solid solubility limit for Sr in PrBa2-xSrxCu3O7-δ was found to be about 0.8 and the orthorhombic-to-tetragonal phase transition occurred at x=0.2. With Sr doping, the electrical resistivity reduced abruptly, especially at low temperatures. For the x=0 sample, ρ(20K)/ρ(300K)∼104, for the x=0.8 sample, ρ(20K)/ρ(300K)∼100, while for x=1, ρ(20K)/ρ(300K)∼3. In contrast to the aforementioned change, the antiferromagnetic ordering temperature TN and the effective magnetic moment of Pr ions showed no obvious change indicating their insensitivity to Sr doping. The results are discussed considering the Sr doping induced variation of hybridization between Pr ions and O2p of the CuO2 planes. copyright 1997 The American Physical Society
Additional details
Publishing Information
- Journal Title
- Physical Review. B, Condensed Matter
- Journal Volume
- 56
- Journal Issue
- 14
- Journal Page Range
- p. 9153-9157
- ISSN
- 0163-1829
- CODEN
- PRBMDO
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 29052517
- Subject category
- S36: MATERIALS SCIENCE; S36: MATERIALS SCIENCE;
- Descriptors DEI
- ANTIFERROMAGNETIC MATERIALS; ANTIFERROMAGNETISM; BARIUM OXIDES; CHARGED-PARTICLE TRANSPORT; COPPER OXIDES; CRYSTAL STRUCTURE; ELECTRIC CONDUCTIVITY; HIGH-TC SUPERCONDUCTORS; MAGNETIC MOMENTS; MAGNETIC PROPERTIES; NEEL TEMPERATURE; PRASEODYMIUM OXIDES; STRONTIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; ELECTRICAL PROPERTIES; MAGNETIC MATERIALS; MAGNETISM; MATERIALS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; PRASEODYMIUM COMPOUNDS; RADIATION TRANSPORT; RARE EARTH COMPOUNDS; STRONTIUM COMPOUNDS; SUPERCONDUCTORS; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS; TRANSITION TEMPERATURE