Distinct oxygen hole doping in different layers of Sr₂CuO4-δ/La₂CuO₄ superlattices
Abstract
X-ray absorption in Sr₂CuO4-δ/La₂CuO₄ (SCO/LCO) superlattices shows a variable occupation with doping of a hole state different from holes doped for x≲xoptimal in bulk La2-xSrxCuO₄ and suggests that this hole state is on apical oxygen atoms and polarized in the a-b plane. Considering the surface reflectivity gives a good qualitative description of the line shapes of resonant soft x-ray scattering. The interference between superlattice and surface reflections was used to distinguish between scatterers in the SCO and the LCO layers, with the two hole states maximized in different layers of the superlattice.
- Authors:
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1098605
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Physical Review. B, Condensed Matter and Materials Physics
- Additional Journal Information:
- Journal Name: Physical Review. B, Condensed Matter and Materials Physics Journal Volume: 85 Journal Issue: 9; Journal ID: ISSN 1098-0121
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Smadici, S., Lee, J. C. T., Rusydi, A., Logvenov, G., Bozovic, I., and Abbamonte, P.. Distinct oxygen hole doping in different layers of Sr₂CuO4-δ/La₂CuO₄ superlattices. United States: N. p., 2012.
Web. doi:10.1103/PhysRevB.85.094519.
Smadici, S., Lee, J. C. T., Rusydi, A., Logvenov, G., Bozovic, I., & Abbamonte, P.. Distinct oxygen hole doping in different layers of Sr₂CuO4-δ/La₂CuO₄ superlattices. United States. https://doi.org/10.1103/PhysRevB.85.094519
Smadici, S., Lee, J. C. T., Rusydi, A., Logvenov, G., Bozovic, I., and Abbamonte, P.. Wed .
"Distinct oxygen hole doping in different layers of Sr₂CuO4-δ/La₂CuO₄ superlattices". United States. https://doi.org/10.1103/PhysRevB.85.094519.
@article{osti_1098605,
title = {Distinct oxygen hole doping in different layers of Sr₂CuO4-δ/La₂CuO₄ superlattices},
author = {Smadici, S. and Lee, J. C. T. and Rusydi, A. and Logvenov, G. and Bozovic, I. and Abbamonte, P.},
abstractNote = {X-ray absorption in Sr₂CuO4-δ/La₂CuO₄ (SCO/LCO) superlattices shows a variable occupation with doping of a hole state different from holes doped for x≲xoptimal in bulk La2-xSrxCuO₄ and suggests that this hole state is on apical oxygen atoms and polarized in the a-b plane. Considering the surface reflectivity gives a good qualitative description of the line shapes of resonant soft x-ray scattering. The interference between superlattice and surface reflections was used to distinguish between scatterers in the SCO and the LCO layers, with the two hole states maximized in different layers of the superlattice.},
doi = {10.1103/PhysRevB.85.094519},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 9,
volume = 85,
place = {United States},
year = {Wed Mar 28 00:00:00 EDT 2012},
month = {Wed Mar 28 00:00:00 EDT 2012}
}
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