The role of Y2BaCuO5 in PAC-experiments on YBa2Cu3O7 |
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| Authors: | M Uhrmacher A Bartos |
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| Institution: | 1. II. Physikalisches Institut, Universit?t G?ttingen, Bunsenstr. 7-9, D-3400, G?ttingen, FRG
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| Abstract: | The “green phase” of the superconductor YBaCuO was studied by means of the PAC-method.111In was implanted into sintered bulk samples of Y2BaCuO3 at 400 keV. One of the three observed fractions shows combined interaction below the Néel temperature TN=28 K. Therefore, these111In-probes occupy the Cu-site, the oxygen coordination of which is nearly identical with that of Cu2-site in YBaCuO. The other fractions are often observed in PAC-experiments on YBaCuO after diffusion, which points to a disintegration
of these samples.
Supported by the BMFT under the contract number FK2 13N 54930 |
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