Published October 1990
| Version v1
Journal article
Macroscopic quantum interference and superconducting glass state in YBa2(Cu1-xFex)3O7-δ
- 1. Inst. of Inorganic Chemistry, Siberian Branch, Academy of Sciences, Novosibirsk (USSR)
Description
Macroscopic quantum phenomena and superconducting glass state have been observed simultaneously in a random system of linked Josephson junctions in lumps of suitable high temperature superconducting ceramics Y-Ba-Cu-O. This multiply connected Josephson medium was used for radio-frequency SQUID operation at temperatures up to 90 K. The effect of nonergodic glass state on SQUID behaviour readily was observed. The presence of a wide range of relaxation times in glass state leads to an appreciable noise of 1/f type in the SQUID output signal at f< or approx.103 Hz. (orig.)
Additional details
Publishing Information
- Journal Title
- Physica Scripta
- Journal Volume
- 42
- Journal Issue
- 4
- Series
- Phys. Scr.
- Journal Page Range
- 501-503
- ISSN
- 0031-8949
- CODEN
- PHSTB
INIS
- Country of Publication
- United Kingdom
- Country of Input or Organization
- Sweden
- INIS RN
- 22007979
- Subject category
- S36: MATERIALS SCIENCE; S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- BARIUM OXIDES; CERAMICS; COPPER OXIDES; FLUCTUATIONS; INTERFERENCE; IRON OXIDES; JOSEPHSON JUNCTIONS; LOW TEMPERATURE; NOISE; RELAXATION TIME; SQUID DEVICES; SUPERCONDUCTIVITY; SUPERCONDUCTORS; TEMPERATURE DEPENDENCE; TRANSITION TEMPERATURE; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; COPPER COMPOUNDS; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; ELECTRONIC EQUIPMENT; EQUIPMENT; FLUXMETERS; IRON COMPOUNDS; MEASURING INSTRUMENTS; MICROWAVE EQUIPMENT; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; SEMICONDUCTOR JUNCTIONS; SUPERCONDUCTING DEVICES; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENT COMPOUNDS; VARIATIONS; YTTRIUM COMPOUNDS