Advanced Superconducting Materials and Device Concepts
Abstract
The properties of advanced materials and phenomena basic to the development of new and/or improved superconducting electronic technologies were studied. These include the conducting magnetic oxide strontium ruthenate relevant to high-temperature Josephson devices, the doped magnetic oxide lanthanum manganate relevant to magnetic sensing, and scanning tunneling microscopy of the superconducting energy gap in the high-temperature superconductors. We found that the transport properties of strontium ruthenate cannot be understood using the conventional theory of metals, that the spin polarized of 72% in tunnel junctions incorporating doped lanthanum manganate, and that there are intrinsic inhomogeneities in the superconducting energy gap of the high temperature superconductors on mesoscopic length scales.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 2001
- Accession Number
- ADA393254
Entities
People
- A. Kapitulnik
- Malcolm Beasley
- R. H. Hammond
- Theodore H. Geballe
Organizations
- Stanford University