Evidence for a fermi surface in Bi2 Sr2 CaCu2 O8+δ measured by positron 2D-ACAR
Publication
, Conference
Chan, LP; Harshman, DR; Lynn, KG; Massidda, S; Mitzi, DB
Published in: Journal of Physics and Chemistry of Solids
January 1, 1991
We report positron 2D-ACAR measurements of superconducting single crystal Bi2Sr2CaCu2O8+δ (unannealed, Te ≈ 90K). The observed anisotropy exhibits a two-fold (rather than four-fold) symmetry, which is attributed to the superlattice modulation along the b-axis of the B2O2 layers. Temperature dependent fine structures in the anisotropies are also noted. Subtraction of the superlattice contribution reveals a pair momentum distribution consistent with both the CuO2 and BiO2 Fermi surfaces and in reasonable agreement with the theoretical pair momentum density derived from band theory. © 1991.
Duke Scholars
Published In
Journal of Physics and Chemistry of Solids
DOI
ISSN
0022-3697
Publication Date
January 1, 1991
Volume
52
Issue
11-12
Start / End Page
1557 / 1567
Related Subject Headings
- Physical Chemistry
- 5104 Condensed matter physics
- 3403 Macromolecular and materials chemistry
- 3402 Inorganic chemistry
- 0912 Materials Engineering
- 0306 Physical Chemistry (incl. Structural)
- 0204 Condensed Matter Physics
Citation
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ICMJE
MLA
NLM
Chan, L. P., Harshman, D. R., Lynn, K. G., Massidda, S., & Mitzi, D. B. (1991). Evidence for a fermi surface in Bi2 Sr2 CaCu2 O8+δ measured by positron 2D-ACAR. In Journal of Physics and Chemistry of Solids (Vol. 52, pp. 1557–1567). https://doi.org/10.1016/0022-3697(91)90140-U
Published In
Journal of Physics and Chemistry of Solids
DOI
ISSN
0022-3697
Publication Date
January 1, 1991
Volume
52
Issue
11-12
Start / End Page
1557 / 1567
Related Subject Headings
- Physical Chemistry
- 5104 Condensed matter physics
- 3403 Macromolecular and materials chemistry
- 3402 Inorganic chemistry
- 0912 Materials Engineering
- 0306 Physical Chemistry (incl. Structural)
- 0204 Condensed Matter Physics