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Journal Articles

Zeeman effects on Yu-Shiba-Rusinov states

Machida, Tadashi*; Nagai, Yuki; Hanaguri, Tetsuo*

Physical Review Research (Internet), 4(3), p.033182_1 - 033182_12, 2022/09

no abstracts in English

Journal Articles

Quasiparticle interference and superconducting gap in Ca$$_{2-x}$$Na$$_x$$CuO$$_2$$Cl$$_2$$

Hanaguri, Tetsuo*; Kosaka, Yuki*; Davis, J. C.*; Lupien, C.*; Yamada, Ikuya*; Azuma, Masaki*; Takano, Mikio*; Oishi, Kazuki; Ono, Masaki*; Takagi, Hidenori*

Nature Physics, 3(12), p.865 - 871, 2007/12

 Times Cited Count:141 Percentile:95.62(Physics, Multidisciplinary)

Journal Articles

Low-energy spectroscopic mapping studies in optimally-doped Ca$$_{2-x}$$Na$$_x$$CuO$$_2$$Cl$$_2$$

Hanaguri, Tetsuo*; Kosaka, Yuki*; Davis, J. C.*; Lupien, C.*; Yamada, Ikuya*; Azuma, Masaki*; Takano, Mikio*; Oishi, Kazuki; Takagi, Hidenori*

Physica C, 460-462, p.954 - 955, 2007/09

 Times Cited Count:1 Percentile:6.68(Physics, Applied)

We performed high-resolution scanning tunneling microscopy/spectroscopy on an optimally-doped Ca$$_{2-x}$$Na$$_x$$CuO$$_2$$Cl$$_2$$ crystal. The so-called checkerboard local-density-of-state modulation manifests in the spectroscopic map of the optimally-doped sample. In addition, spatially-inhomogeneous energy gap is observed. The gap tends to be buried at elevated temperatures and correlates with the checkerboard modulation. These results suggest that the gap is related to superconductivity which coexists with the checkerboard modulation.

Journal Articles

Observation of individual vortices trapped along columnar defects in high-temperature superconductors

Tonomura, A.*; Hasai, H.*; Kamimura, O.*; Matsuda, T.*; Harada, K.*; Nakayama, Y.*; Shimoyama, J.*; Kishio, K.*; Hanaguri, T.*; Kitazawa, K.*; et al.

Nature, 412(6847), p.620 - 622, 2001/08

 Times Cited Count:104 Percentile:94.31(Multidisciplinary Sciences)

Direct observation microscopically elucidated the behaviour of vortices in Bi-2212 thin films. The isotropic pinning of vortices by columnar defects at low magnetic fields indirectly inferred by macroscopic magnetization measurements can be explained microscopically as follows; vortex lines are trapped along columns ate temperatures above 19K irrespective of the direction of the applied magnetic field; and at temperatures below 12K vortex lines always penetrate the film perpendicularly to the film plane owing to the increased background pinning compared to the columnar-defect pinning and also because of the demagnetization effect of thin film.

Journal Articles

Interlayer phase correlation of the vortex system around the coupling transition in Bi$$_{2}$$Sr$$_{2}$$CaCu$$_{2}$$Oy containing columnar defects

*; Hanaguri, T.*; *; Maeda, A.*; Sasase, Masato; Hojo, Kiichi; Steel, D. G.*; Lee, J. U.*; Hofman, D. J.*

Physical Review B, 59(17), p.11568 - 11574, 1999/00

 Times Cited Count:8 Percentile:45.63(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Nonlinear meissner effect in double layered high-Tc cuprates investigated by measurement of the penetration depth

Maeda, A.*; *; *; *; *; *; *; Asaoka, Hidehito; *; *; et al.

Journal of the Physical Society of Japan, 65(11), p.3638 - 3645, 1996/00

 Times Cited Count:21 Percentile:75.72(Physics, Multidisciplinary)

no abstracts in English

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