DOI: 10.1063/1.103367. Tl2Ca1Ba2Cu2O8+<i>x</i> high <i>Tc</i> superconductors processed by the sol-gel technique

Tl2Ca1Ba2Cu2O8+x high Tc superconductors processed by the sol-gel technique

10.1063/1.103367

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Tl2Ca1Ba2Cu2O8+x high Tc superconductors were developed using a new alkoxide sol-gel system. Barium-, calcium-, thallium-methoxyethoxide and Cu(II) ethoxide precursors were used for the formation of homogeneous sols. Solubility of the Cu(II) ethoxide was aided by using a 2-methoxyethanol/methyl ethylketone/toluene solvent system. The sols were characterized by small-angle x-ray scattering and transmission electron microscopy. The average particle size was 50 nm and the fractal dimension of these particles was 1.8. Powders were produced by rotary evaporation followed by thermal treatment in a closed container with excess thallium at 900 °C for various calcination times. Powders were characterized by x-ray diffraction, resistivity, and magnetic susceptibility measurements, and chemical analysis. Samples exhibited transition temperatures between 100 and 110 K depending upon the processing conditions.

Bibliography

Kordas, G., & Teepe, M. R. (1990). Tl2Ca1Ba2Cu2O8+x high Tc superconductors processed by the sol-gel technique. Applied Physics Letters, 57(14), 1461â1463.

Authors 2

G. Kordas (first)
M. R. Teepe (additional)

References 13 Referenced 11

10.1103/PhysRevLett.60.937 / Phys. Rev. Lett. (1988)
10.1038/332055a0 / Nature (1988)
10.1038/332138a0 / Nature (1988)
10.1016/0025-5408(88)90118-3 / Mater. Res. Bull. (1988)
10.1103/PhysRevLett.60.2539 / Phys. Rev. Lett. (1988)
10.1126/science.240.4852.631 / Science (1988)
10.1016/0022-0248(88)90269-2 / J. Cryst. Growth (1988)
{'key': '2024020301315241500_r8', 'first-page': '169', 'volume': '7', 'year': '198', 'journal-title': 'Mater. Lett.'} / Mater. Lett. (198)
{'key': '2024020301315241500_r9', 'first-page': '156', 'volume': '53', 'year': '1989', 'journal-title': 'Appl. Phys. Lett.'} / Appl. Phys. Lett. (1989)
{'key': '2024020301315241500_r10'}
10.1016/0167-577X(89)90043-8 / Mater. Lett. (1989)
10.1016/0022-3093(88)90155-X / J. Non-Cryst. Solids (1988)
10.1103/PhysRevLett.60.1657 / Phys. Rev. Lett. (1988)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 8:51 a.m.)
Deposited	1 year, 6 months ago (Feb. 2, 2024, 8:32 p.m.)
Indexed	1 year, 6 months ago (Feb. 2, 2024, 10 p.m.)
Issued	34 years, 10 months ago (Oct. 1, 1990)
Published	34 years, 10 months ago (Oct. 1, 1990)
Published Print	34 years, 10 months ago (Oct. 1, 1990)

Funders 0

None

BibTeX

@article{Kordas_1990, title={Tl2Ca1Ba2Cu2O8+x high Tc superconductors processed by the sol-gel technique}, volume={57}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.103367}, DOI={10.1063/1.103367}, number={14}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Kordas, G. and Teepe, M. R.}, year={1990}, month=oct, pages={1461–1463} }

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