Abstract
Epitaxial c-axis-oriented HgBa2CaCu2O6+δ (Hg-1212) films approximately 50-80 nm thick have been grown on (0 0 1) LaAlO3 substrates using a cation-exchange process. These films show smooth surface morphology and high-quality epitaxy. The superconducting transition temperatures are up to 118 K. In zero applied magnetic fields, the critical current densities of these films are typically above 107 A/cm2 at 5 K and remain up to 3.54×105 A/cm2 at 100 K.
Original language | English |
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Pages (from-to) | 253-257 |
Number of pages | 5 |
Journal | Physica C: Superconductivity and its Applications |
Volume | 339 |
Issue number | 4 |
DOIs | |
State | Published - 2000 |
Externally published | Yes |
Funding
This work was supported in part by AFOSR, NSF, NSF EPSCoR, and DEPSCoR.
Funders | Funder number |
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National Science Foundation | |
Air Force Office of Scientific Research | |
Kansas NSF EPSCoR |