Correlation between vortex distribution and electronic inhomogeneity in bi2sr2cacu2o8+δ as probed by STM/STS

Noritaka Fukuo; Hideki Mashima; Go Kinodar; Taro Hitosugi; Toshihiro Shimada; Keisuke Shimizu; Jun Ichi Shimoyama; Kohji Kishio; Yuji Matsumoto; Tetsuya Hasegawa

doi:10.1063/1.2354945

Correlation between vortex distribution and electronic inhomogeneity in bi₂sr₂cacu₂o_8+δ as probed by STM/STS

Noritaka Fukuo, Hideki Mashima, Go Kinodar, Taro Hitosugi, Toshihiro Shimada, Keisuke Shimizu, Jun Ichi Shimoyama, Kohji Kishio, Yuji Matsumoto, Tetsuya Hasegawa

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In order to investigate the correlation between vortex distribution and inherent electronic inhomogeneity, we have performed scanning tunneling microscopy/spectroscopy (STM/STS) of optimally doped Bi₂Sr ₂CaCu₂O_8+δ single crystals at 4.3 K under 8 T. Vortices have been successfully visualized by mapping differential tunneling conductance at 12.5 meV, which was substantially enhanced around the vortex cores. The vortices tended to form an ordinary triangular lattice with a spacing of a₀=1.07/B in a short range of ∼ a₀, but the triangular correlation was almost missing in a longer scale. By comparing the vortex distribution pattern and gap map, we concluded that pseudogap regions predominantly pin down vortices.

Original language	English
Title of host publication	LOW TEMPERATURE PHYSICS
Subtitle of host publication	24th International Conference on Low Temperature Physics - LT24
Pages	797-798
Number of pages	2
DOIs	https://doi.org/10.1063/1.2354945
Publication status	Published - 2006 Dec 1
Event	LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 - Orlando, FL, United States Duration: 2006 Aug 10 → 2006 Oct 17

Publication series

Name	AIP Conference Proceedings
Volume	850
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24
Country	United States
City	Orlando, FL
Period	06/8/10 → 06/10/17

Keywords

Bi2212
Electronic inhomogeneity
STM/STS
Vortex pinning

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.2354945

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Fukuo, N., Mashima, H., Kinodar, G., Hitosugi, T., Shimada, T., Shimizu, K., Shimoyama, J. I., Kishio, K., Matsumoto, Y., & Hasegawa, T. (2006). Correlation between vortex distribution and electronic inhomogeneity in bi₂sr₂cacu₂o_8+δ as probed by STM/STS. In LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 (pp. 797-798). (AIP Conference Proceedings; Vol. 850). https://doi.org/10.1063/1.2354945

Correlation between vortex distribution and electronic inhomogeneity in bi₂sr₂cacu₂o_8+δ as probed by STM/STS. / Fukuo, Noritaka; Mashima, Hideki; Kinodar, Go; Hitosugi, Taro; Shimada, Toshihiro; Shimizu, Keisuke; Shimoyama, Jun Ichi; Kishio, Kohji; Matsumoto, Yuji; Hasegawa, Tetsuya.

LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24. 2006. p. 797-798 (AIP Conference Proceedings; Vol. 850).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Fukuo, N, Mashima, H, Kinodar, G, Hitosugi, T, Shimada, T, Shimizu, K, Shimoyama, JI, Kishio, K, Matsumoto, Y & Hasegawa, T 2006, Correlation between vortex distribution and electronic inhomogeneity in bi₂sr₂cacu₂o_8+δ as probed by STM/STS. in LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24. AIP Conference Proceedings, vol. 850, pp. 797-798, LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24, Orlando, FL, United States, 06/8/10. https://doi.org/10.1063/1.2354945

Fukuo, Noritaka ; Mashima, Hideki ; Kinodar, Go ; Hitosugi, Taro ; Shimada, Toshihiro ; Shimizu, Keisuke ; Shimoyama, Jun Ichi ; Kishio, Kohji ; Matsumoto, Yuji ; Hasegawa, Tetsuya. / Correlation between vortex distribution and electronic inhomogeneity in bi₂sr₂cacu₂o_8+δ as probed by STM/STS. LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24. 2006. pp. 797-798 (AIP Conference Proceedings).

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abstract = "In order to investigate the correlation between vortex distribution and inherent electronic inhomogeneity, we have performed scanning tunneling microscopy/spectroscopy (STM/STS) of optimally doped Bi2Sr 2CaCu2O8+δ single crystals at 4.3 K under 8 T. Vortices have been successfully visualized by mapping differential tunneling conductance at 12.5 meV, which was substantially enhanced around the vortex cores. The vortices tended to form an ordinary triangular lattice with a spacing of a0=1.07/B in a short range of ∼ a0, but the triangular correlation was almost missing in a longer scale. By comparing the vortex distribution pattern and gap map, we concluded that pseudogap regions predominantly pin down vortices.",

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AU - Kinodar, Go

AU - Hitosugi, Taro

AU - Shimada, Toshihiro

AU - Shimizu, Keisuke

AU - Shimoyama, Jun Ichi

AU - Kishio, Kohji

AU - Matsumoto, Yuji

AU - Hasegawa, Tetsuya

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N2 - In order to investigate the correlation between vortex distribution and inherent electronic inhomogeneity, we have performed scanning tunneling microscopy/spectroscopy (STM/STS) of optimally doped Bi2Sr 2CaCu2O8+δ single crystals at 4.3 K under 8 T. Vortices have been successfully visualized by mapping differential tunneling conductance at 12.5 meV, which was substantially enhanced around the vortex cores. The vortices tended to form an ordinary triangular lattice with a spacing of a0=1.07/B in a short range of ∼ a0, but the triangular correlation was almost missing in a longer scale. By comparing the vortex distribution pattern and gap map, we concluded that pseudogap regions predominantly pin down vortices.

AB - In order to investigate the correlation between vortex distribution and inherent electronic inhomogeneity, we have performed scanning tunneling microscopy/spectroscopy (STM/STS) of optimally doped Bi2Sr 2CaCu2O8+δ single crystals at 4.3 K under 8 T. Vortices have been successfully visualized by mapping differential tunneling conductance at 12.5 meV, which was substantially enhanced around the vortex cores. The vortices tended to form an ordinary triangular lattice with a spacing of a0=1.07/B in a short range of ∼ a0, but the triangular correlation was almost missing in a longer scale. By comparing the vortex distribution pattern and gap map, we concluded that pseudogap regions predominantly pin down vortices.

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