Scanning tunneling microscopy studies of NdBa2Cu3O7-δ single crystals

M. Nishiyama; N. Chikumoto; M. Murakami; K. Ogawa; S. Shibata; K. Nakao; N. Koshizuka

doi:10.1016/S0921-4534(01)00342-2

Scanning tunneling microscopy studies of NdBa₂Cu₃O_7-δ single crystals

M. Nishiyama, N. Chikumoto, M. Murakami, K. Ogawa, S. Shibata, K. Nakao, N. Koshizuka

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We have performed scanning tunneling microscope/spectroscopy measurements on NdBa₂Cu₃O_7-δ (Nd123) single crystals. Two characteristic structures, i.e., square lattice and one-dimensional atomic structures are observed on the naturally terminated layers. For a cleaved surface, nm size bright and dark regions consisting of a 4 × 4 Å² square lattice are observed and the contrast is explained by the inhomogeneous distribution of oxygen vacancies on the surfaces.

Original language	English
Pages (from-to)	527-530
Number of pages	4
Journal	Physica C: Superconductivity and its applications
Volume	357-360
DOIs	https://doi.org/10.1016/S0921-4534(01)00342-2
Publication status	Published - 2001 Aug
Externally published	Yes

Keywords

Atomic structure
NdBaCuO single crystals
Scanning tunneling microscopy

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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Cite this

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title = "Scanning tunneling microscopy studies of NdBa2Cu3O7-δ single crystals",

abstract = "We have performed scanning tunneling microscope/spectroscopy measurements on NdBa2Cu3O7-δ (Nd123) single crystals. Two characteristic structures, i.e., square lattice and one-dimensional atomic structures are observed on the naturally terminated layers. For a cleaved surface, nm size bright and dark regions consisting of a 4 × 4 {\AA}2 square lattice are observed and the contrast is explained by the inhomogeneous distribution of oxygen vacancies on the surfaces.",

keywords = "Atomic structure, NdBaCuO single crystals, Scanning tunneling microscopy",

author = "M. Nishiyama and N. Chikumoto and M. Murakami and K. Ogawa and S. Shibata and K. Nakao and N. Koshizuka",

year = "2001",

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doi = "10.1016/S0921-4534(01)00342-2",

language = "English",

volume = "357-360",

pages = "527--530",

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T1 - Scanning tunneling microscopy studies of NdBa2Cu3O7-δ single crystals

AU - Nishiyama, M.

AU - Chikumoto, N.

AU - Murakami, M.

AU - Ogawa, K.

AU - Shibata, S.

AU - Nakao, K.

AU - Koshizuka, N.

PY - 2001/8

Y1 - 2001/8

N2 - We have performed scanning tunneling microscope/spectroscopy measurements on NdBa2Cu3O7-δ (Nd123) single crystals. Two characteristic structures, i.e., square lattice and one-dimensional atomic structures are observed on the naturally terminated layers. For a cleaved surface, nm size bright and dark regions consisting of a 4 × 4 Å2 square lattice are observed and the contrast is explained by the inhomogeneous distribution of oxygen vacancies on the surfaces.

AB - We have performed scanning tunneling microscope/spectroscopy measurements on NdBa2Cu3O7-δ (Nd123) single crystals. Two characteristic structures, i.e., square lattice and one-dimensional atomic structures are observed on the naturally terminated layers. For a cleaved surface, nm size bright and dark regions consisting of a 4 × 4 Å2 square lattice are observed and the contrast is explained by the inhomogeneous distribution of oxygen vacancies on the surfaces.

KW - Atomic structure

KW - NdBaCuO single crystals

KW - Scanning tunneling microscopy

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EP - 530

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

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