Magnetic field modulation effects on the microwave transmission through superconducting thin films of Y-Ba-Cu-O

Journal Article · Wed Nov 01 00:00:00 EST 1989 · Physical Review (Section) B: Condensed Matter; (USA)

DOI:https://doi.org/10.1103/PhysRevB.40.9299· OSTI ID:5212886

Golosovsky, M ^[1]; Davidov, D; Rettori, C ^[2]; Stern, A ^[3]

---

1. Racah Institute of Physics, The Hebrew University of Jerusalem, 91 904 Jerusalem, (Israel) Time and Frequency Ltd., P.O. Box 1972, Holon 58117, (Israel)
2. Racah Institute of Physics, The Hebrew University of Jerusalem, 91 904 Jerusalem, (Israel)
3. Time and Frequency Ltd., P.O. Box 1972, Holon 58117, (Israel)

We have measured the magnitude and phase of the microwave transmission through thin films of Y-Ba-Cu-O on MgO substrate in the presence of a dc magnetic field {ital H}{sub 0} and an oscillating magnetic field. The oscillating field modulates the microwave transmission in the superconducting state with the generation of many high-order even harmonics for {ital H}{sub 0}=0. For {ital H}{sub 0}{ne}0 there is a symmetry-breaking and additional odd-harmonic generation. This strong nonlinear behavior may be explained by a model which assumes an array of Josephson junctions and vortex motion in the presence of a magnetic field. An estimate of the Josephson-junction area is obtained from the field dependence of the amplitude of the second harmonic.

• OSTI ID: 5212886
• Journal Information: Physical Review (Section) B: Condensed Matter; (USA), Vol. 40:13; ISSN 0163-1829
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BARIUM OXIDES
PHOTON TRANSPORT
COPPER OXIDES
MICROWAVE RADIATION
TRANSMISSION
YTTRIUM OXIDES
GHZ RANGE 01-100
HARMONIC GENERATION
JOSEPHSON JUNCTIONS
MAGNETIC FIELDS
MODULATION
NONLINEAR PROBLEMS
STRUCTURAL MODELS
SUPERCONDUCTING FILMS
SYMMETRY BREAKING
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
ELECTROMAGNETIC RADIATION
FILMS
FREQUENCY MIXING
FREQUENCY RANGE
GHZ RANGE
JUNCTIONS
NEUTRAL-PARTICLE TRANSPORT
OXIDES
OXYGEN COMPOUNDS
RADIATION TRANSPORT
RADIATIONS
SUPERCONDUCTING JUNCTIONS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
360204* - Ceramics
Cermets
& Refractories- Physical Properties