Structure of superconducting [BaCuOx]2/[CaCuO2]n superlattices on SrTiO3(001) investigated by X-ray scattering

被引：0
|
作者：
Aruta, C
Zegenhagen, J
Cowie, B
Balestrino, G
Pasquini, G
Medaglia, PG
Ricci, F
Luebbert, D
Baumach, T
Riedo, E
Ortega, L
Kramer, R
Albrecht, J
机构：
[1] Univ Roma Tor Vergata, Dipartimento Sci & Tecnol Fis & Energet, INFM, I-00133 Rome, Italy
[2] European Synchrotron Radiat Facil, F-38043 Grenoble, France
[3] Univ Naples Federico II, INFM, Dipartimento Sci Fis, I-80125 Naples, Italy
[4] Fraunhofer Inst Nondestruct Testing, EAD Q, D-01326 Dresden, Germany
[5] Ecole Polytech Fed Lausanne, Inst Phys Expt, PHB Ecublens, CH-1015 Lausanne, Switzerland
[6] CNRS, Lab Cristallog, F-38042 Grenoble 9, France
[7] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2001年 / 183卷 / 02期
关键词：
D O I：
10.1002/1521-396X(200102)183:2<353::AID-PSSA353>3.0.CO;2-V
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Structural properties of [BaCuOx](2)/[CaCuO2](n) superconducting superlattices with a number of CaCuO2 layers ranging between 2 and 3 were investigated using synchrotron radiation, by coplanar (symmetrical and asymmetrical) X-ray diffraction and also in grazing incidence,geometry. This extensive X-ray diffraction characterisation allowed to confirm the pseudomorphic growth of [BaCuOx](2)/[CaCuO2](n) superlattices on the SrTiO3 (001)-oriented substrate. Reciprocal space maps in symmetrical configuration, i.e. by specular reflection, showed the effect of a slight miscut of the substrate on the inclination of the rods. Finally, the interface and surface morphology were investigated by diffuse scattering obtaining the in-plane and out-of-plane correlation properties of the interface roughness and these results were compared with the surface roughness measured by atomic force microscopy.
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页码：353 / 364
页数：12
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