Bulk Superconductivity in Single Crystals of PrBa 2Cu 3Ox
- 1 January 1997
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 36 (1A) , L18
- https://doi.org/10.1143/jjap.36.l18
Abstract
We report the observation of bulk superconductivity in PrBa2Cu3O x single crystals for the first time. These samples were grown by the travelling-solvent floating-zone (TSFZ) method in oxygen-reduced atmosphere. The as-grown crystal has a longer c-axis lattice constant an than any values previously reported for oxygen-reduced PrBa2Cu3O x . After oxygen annealing, resistivity becomes zero below T=80 K, and zero-field-cooled magnetization shows diamagnetism with full volume fraction. X-ray energy dispersion spectrum and X-ray diffraction analyses show that this superconducting phase is orthorhombic PrBa2Cu3O x .Keywords
This publication has 12 references indexed in Scilit:
- Observation of superconductivity in PrPhysical Review B, 1996
- Magnetic susceptibility studies onPrxY1−xBa2Cu3O7−δsingle crystals in the insulating regimePhysical Review B, 1995
- Role of Ba-site Pr in quenching superconductivity of and related materialsPhysical Review B, 1995
- The magnetic state of Pr in PrBa2Cu3O7Physica C: Superconductivity and its Applications, 1993
- Unusual electronic structure ofPhysical Review Letters, 1993
- In search of chemical cluesPhysica C: Superconductivity and its Applications, 1992
- Anisotropic optical spectrum of untwinned : Persistence of the charge-transfer insulating state of the plane against hole dopingPhysical Review B, 1992
- A review of the superconducting and normal state properties of Y1−xPrxBa2Cu3O7Journal of Materials Research, 1992
- Crystal-field splittings and magnetic properties of and in RPhysical Review B, 1991
- Normal-state conductivity between CuO2 planes in copper oxide superconductorsNature, 1991