Pulsed laser deposition of superconducting Nb-doped strontium titanate thin films
- 8 June 1998
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 72 (23) , 3065-3067
- https://doi.org/10.1063/1.121542
Abstract
We report on the growth of superconducting Nb-doped SrTiO3 thin films on LaAlO3 substrates by pulsed laser deposition. We find optimum Nb doping and high mobility for growth near 870 °C and chamber pressures below 3×10−4 Pa (2×10−6 Torr). The transport properties were measured from 300 K to 150 mK. The most highly doped samples display metallic behavior, and are superconducting below 350 mK, with transition temperatures similar to those of bulk single crystals.Keywords
This publication has 18 references indexed in Scilit:
- Superconductivity in Single-CrystallineSr1-xLaxTiO3Journal of the Physics Society Japan, 1996
- Electric field controllable Josephson junctions of high quality in high-T c superconductorsApplied Physics Letters, 1996
- Dielectric properties of sputteredfilmsPhysical Review B, 1994
- Filling dependence of electronic properties on the verge of metal–Mott-insulator transition inPhysical Review Letters, 1993
- Tunneling in high-Tc superconductor/semiconductor heterostructure formed on Nb-doped SrtiO3Physica B: Condensed Matter, 1991
- Mechanism of superconductivity in SrTiO3Physica B+C, 1981
- Chapter 5 Superconductivity in Semiconductors and Semi-MetalsPublished by Elsevier ,1970
- Superconducting transition temperatures of Nb-doped SrTiO3Physics Letters A, 1969
- Dependence of the Superconducting Transition Temperature on Carrier Concentration in Semiconducting SrTiPhysical Review Letters, 1965
- Electronic Transport in Strontium TitanatePhysical Review B, 1964