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XANES Study of the Valence of Pb IN (Tl_(0.5)Pb_(0.5))Sr_2Ca_(1-x)Y_xCu_2O_(7- δ)

Liang, G. and Liu, R. S. and Wang, L. V. (1999) XANES Study of the Valence of Pb IN (Tl_(0.5)Pb_(0.5))Sr_2Ca_(1-x)Y_xCu_2O_(7- δ). International Journal of Modern Physics B, 13 (29). pp. 3693-3696. ISSN 0217-9792. doi:10.1142/S0217979299003684.

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Near edge x-ray-absorption spectra at Pb L_3-edges have been measured for (Tl_(0.5)Pb_(0.5))Sr_2Ca_(1-x)Y_xCu_2O_(7-δ) compound series. It is found that the intensity of the 2p→6s transition feature decreases with the substitution of Ca^(+2) by Y^(+3). This result indicates that some electronic charges have been transferred into the Pb(Tl)-O layers by this substitution. Detailed analysis suggests that the valence value of Pb in this compound series is close to +4 and it decreases with the increase of the Y-doping level x.

Item Type:Article
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Wang, L. V.0000-0001-9783-4383
Alternate Title:Xanes Study of the Valence of Pb IN (Tl0.5Pb0.5)Sr2Ca1-xYxCu2O7- δ
Additional Information:© 1999 World Scientific Publishing Co. Received: 1 June 1999; Revised: 25 July 1999.
Issue or Number:29
Record Number:CaltechAUTHORS:20170314-103202121
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Official Citation:XANES STUDY OF THE VALENCE OF Pb IN (Tl0.5Pb0.5)Sr2Ca1-xYxCu2O7-δ G. LIANG, R. S. LIU, and L. V. WANG International Journal of Modern Physics B 1999 13:29n31, 3693-3696
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:75092
Deposited By: Tony Diaz
Deposited On:16 Mar 2017 17:57
Last Modified:15 Nov 2021 16:30

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