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CHARGE-DISTRIBUTION IN (TL,PB)SR2CA2CU3O9-DELTA(T-C=124K) - AN O-17 NMR-STUDY
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UNSPECIFIED (1994) CHARGE-DISTRIBUTION IN (TL,PB)SR2CA2CU3O9-DELTA(T-C=124K) - AN O-17 NMR-STUDY. PHYSICA C, 235 (Part 3). pp. 1709-1710. ISSN 0921-4534.
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Abstract
O-17 NMR measurements on (Tl,PB)Sr2Ca2Cu3O9-delta (T-c=124K) show that the Knight shift of the outer two Cu-O planes (with pyramidal coordination for copper) has a very different behavior to that of the inner plane (with square coordination for copper). The former has a larger magnitude and a weaker temperature dependence in the normal state, whereas the latter is smaller but has a stronger temperature dependence, implying a nonhomogeneous charge distribution and a weak interaction among the Cu-O layers. The results are compared with those for (Bi,Pb)(2)Sr2Ca2Cu3O10-delta (T-c=107K) and Tl2Ba2Ca2Cu3O(10-delta) (T-c=l25K).
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICA C | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0921-4534 | ||||
Official Date: | December 1994 | ||||
Dates: |
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Volume: | 235 | ||||
Number: | Part 3 | ||||
Number of Pages: | 2 | ||||
Page Range: | pp. 1709-1710 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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