Hall effect in Sr14-xCaxCu24O41. Tafra, E., Korin-Hamzić, B., Basletić, M., Hamzić, A., Dressel, M., & Akimitsu, J. Physica B: Condensed Matter, 404(3-4):385-388, 3, 2009.
Hall effect in Sr14-xCaxCu24O41 [link]Website  abstract   bibtex   
We present Hall effect measurements of two-leg ladder Sr14 - x Cax Cu24 O41 (0 ??? x ??? 11.5). In these composite materials charge and spin ordering occur within chain and ladder subsystems. They have been investigated intensively during the last years because of their fascinating physical properties, especially after the discovery of superconductivity under pressure (for x > 10). They are the first superconducting copper oxides (superconductivity occurs under pressure for x > 10) without the CuO2 planes, characteristic for high-temperature superconductors. The question of charge dynamics and hole distribution between the ladders and chains is still open. Our Hall effect results show typical semiconducting behavior for x < 10. The x = 11.5 compound shows metallic behavior and our Hall effect results match qualitatively the behavior found in high-Tc cuprates. We have determined the effective number of carriers and its dependence on composition (x) and compared it to the number of holes in the ladders obtained by other experimental techniques at room temperature. ?? 2008 Elsevier B.V. All rights reserved.
@article{
 title = {Hall effect in Sr14-xCaxCu24O41},
 type = {article},
 year = {2009},
 identifiers = {[object Object]},
 keywords = {Hall effect,Hole-doped quasi-one-dimensional cuprates,Spin-ladders},
 pages = {385-388},
 volume = {404},
 websites = {http://linkinghub.elsevier.com/retrieve/pii/S0921452608005310},
 month = {3},
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 abstract = {We present Hall effect measurements of two-leg ladder Sr14 - x Cax Cu24 O41 (0 ??? x ??? 11.5). In these composite materials charge and spin ordering occur within chain and ladder subsystems. They have been investigated intensively during the last years because of their fascinating physical properties, especially after the discovery of superconductivity under pressure (for x > 10). They are the first superconducting copper oxides (superconductivity occurs under pressure for x > 10) without the CuO2 planes, characteristic for high-temperature superconductors. The question of charge dynamics and hole distribution between the ladders and chains is still open. Our Hall effect results show typical semiconducting behavior for x < 10. The x = 11.5 compound shows metallic behavior and our Hall effect results match qualitatively the behavior found in high-Tc cuprates. We have determined the effective number of carriers and its dependence on composition (x) and compared it to the number of holes in the ladders obtained by other experimental techniques at room temperature. ?? 2008 Elsevier B.V. All rights reserved.},
 bibtype = {article},
 author = {Tafra, Emil and Korin-Hamzić, Bojana and Basletić, Mario and Hamzić, Amir and Dressel, Martin and Akimitsu, J.},
 journal = {Physica B: Condensed Matter},
 number = {3-4}
}

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