Shockwave synthesis of a thallium-based superconductor with a novel defect microstructure
Iqbal, Z. (Allied-Signal Inc. (Morristown, New Jersey))
Thadhani, N. N. (New Mexico Institute of Mining and Technology. Center for Explosives Technology Research)
Chawla, N. (New Mexico Institute of Mining and Technology. Center for Explosives Technology Research)
Ramakrishna, B. L. (Arizona State University. Department of Chemistry and Center for Solid State Science)
Sharma, R. (Arizona State University. Department of Chemistry and Center for Solid State Science)
Rao, K. V. (Kungl. Tekniska högskolan. Department of Condensed Matter Physics)
Skumryev, Vassil (Kungl. Tekniska högskolan. Department of Condensed Matter Physics)
Reidinger, F. (Allied-Signal Inc. (Morristown, New Jersey))
Eckhardt, H. (Allied-Signal Inc. (Morristown, New Jersey))
American Physical Society

Fecha:	1989
Resumen:	We report the shock-wave synthesis at a yield ≳80% by volume of the single copper layer thalliumsuperconductor of composition Tl2Ba2CuO6. The as-synthesized material displays zero resistance near 55 K and a diamagnetic onset to bulk superconductivity at 70 K. Lattice imaging indicates that the superconducting microcrystals consist of a novel defect microstructure involving an intergrowth of two copper-oxygen layers probably interleaved by partial thallium and barium occupancy.
Derechos:	Tots els drets reservats.
Lengua:	Anglès
Documento:	Article ; recerca ; Versió publicada
Materia:	Superconductors ; Composite superconductors ; Superconductivity ; Thallium ; Barium ; Copper ; Diamagnetism
Publicado en:	Applied physics letters, Vol. 55, Issue 22 (November 1989) , p. 2339-2341, ISSN 1077-3118

DOI: 10.1063/1.102360

4 p, 652.0 KB

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