Published December 2001 | Version v1
Journal article

Investigation of spin-polarized carrier injection effect in YBa2Cu3O7/SrTiO3/La0.67Sr0.33MnO3 and YBa2Cu3O7/La0.67Sr0.33MnO3 heterostructures

  • 1. Semiconductor Physics Inst., Vilnius (Lithuania)
  • 2. Vilnius Univ., Dept. of General and Inorganic Chemistry, Vilnius (Lithuania)
  • 3. Inst. Technologico e Nuclear, Dept. of Chemistry, Sacavem (Portugal)

Description

We report preparation and electrical properties of the YBa2Cu3O7/SrTiO3(d ≅ 5.0 nm)/La0.67Sr0.33MnO3 (YBCO/STO/LSMO) and YBCO/LSMO multilayer structures grown heteroepitaxially on LaAlO3(100) substrates by single source pulsed injection MOCVD. The heterostructures were patterned in a cross-strip geometry to perform electrical measurements at T = 78+300 K under magnetic field μ0H = 0/16 T using 4-probe dc method. Suppression of a supercurrent of the patterned YBCO stripes was indicated for the YBCO/LSMO heterostructure by injecting tunneling spin-polarized current from the underlying FM layer. The transport effects were modelled taking into account current redistribution in the adjacent conducting HTS and FM layers. (orig.)

Additional details

Publishing Information

Journal Title
Journal de Physique. 4
Journal Volume
11
Journal Issue
11
Journal Page Range
p. 53-58
ISSN
1155-4339
CODEN
JPICEI

Conference

Title
International conference on thin film deposition of oxide multilayers hybrid structures
Dates
18-19 Oct 2001
Place
Autrans (France)