Liang, G. and Liu, R. S. and Wang, L. V. (1998) Cu K-Edge Study of (Tl_(0.5)Pb_(0.5))Sr_2Ca_(1-x)Y_xCu_2O_(7-δ). International Journal of Modern Physics B, 12 (29). pp. 3296-3298. ISSN 0217-9792. https://resolver.caltech.edu/CaltechAUTHORS:20170314-122702040
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Abstract
Near-edge x-ray-absorption spectra at the Cu K-edge has been measured for (Tl_(0.5)Pb_(0.5))Sr_2Ca_(1-x)Y_xCu_2O_(7-δ) compound series. It is found that both the intensity of the quadruple 1s → 3d transition feature and the edge-energy decrease with increasing x. Our results show that the Cu valence decreases slightly with the substitution of Ca^(+2) by Y^(+3). This result, together with recent O K-edge result the O-2p holes are reduced by the substitution, indicates that electronic charge is transferred into the entire CuO_2 layers by the Y^(+3) for Ca^(+2) substitution.
| Item Type: | Article | |||||||||
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| Alternate Title: | Cu K-Edge Study of (Tl0.5Pb0.5)Sr2Ca1-xYxCu2O7-δ | |||||||||
| Additional Information: | © 1998 World Scientific Publishing Co. Received: 23 February 1998; Revised: 23 April 1998. | |||||||||
| Issue or Number: | 29 | |||||||||
| Record Number: | CaltechAUTHORS:20170314-122702040 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20170314-122702040 | |||||||||
| Official Citation: | Cu K-Edge Study of (Tl0.5Pb0.5)Sr2Ca1-xYxCu2O7-δ G. Liang, R. S. Liu, and L. V. Wang International Journal of Modern Physics B 1998 12:29n31, 3296-3298 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 75097 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 16 Mar 2017 18:31 | |||||||||
| Last Modified: | 03 Oct 2019 16:46 |
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