Published November 19, 1990
| Version v1
Journal article
Femtosecond optical detection of quasiparticle dynamics in high-Tc YBa2Cu3O7-δ superconducting thin films
- 1. Department of Physics, University of Utah, Salt Lake City, UT (USA)
- 2. Department of Physics, Technion, 32000 Haifa (Israel)
Description
Femtosecond dynamics of photogenerated quasiparticles in YBa2Cu3O7-δ superconducting thin films shows, at T≤Tc, two main electronic processes: (i) quasiparticle avalanche production during hot-carrier thermalization, which takes about 300 fsec; (ii) recombination of quasiparticles to form Cooper pairs, which is completed within 5 psec. In contrastr, nonsuperconducting epitaxial films such as PrBa2Cu2O7 and YBa2Cu3O6 show regular picosecond electronic response
Additional details
Publishing Information
- Journal Title
- Physical Review Letters
- Journal Volume
- 65
- Journal Issue
- 21
- Series
- Phys. Rev. Lett.
- Journal Page Range
- 2708-2711
- ISSN
- 0031-9007
- CODEN
- PRLTA
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 22042692
- Subject category
- S36: MATERIALS SCIENCE;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- BARIUM OXIDES; COOPER PAIRS; COPPER OXIDES; DETECTION; EXCITATION; EXPERIMENTAL DATA; HIGH-TC SUPERCONDUCTORS; LOW TEMPERATURE; MEDIUM TEMPERATURE; PHOTON COLLISIONS; PULSES; QUASI PARTICLES; RECOMBINATION; REFLECTION; SUPERCONDUCTING FILMS; TEMPERATURE DEPENDENCE; THERMALIZATION; TRANSIENTS; ULTRALOW TEMPERATURE; VERY LOW TEMPERATURE; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; CHALCOGENIDES; COLLISIONS; COPPER COMPOUNDS; DATA; ENERGY-LEVEL TRANSITIONS; FILMS; INFORMATION; NUMERICAL DATA; OXIDES; OXYGEN COMPOUNDS; SLOWING-DOWN; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS