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Direct Observation of Local Potassium Variation and Its Correlation to Electronic Inhomogeneity in (Ba 1 - x K x )Fe 2 As 2 Pnictide

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Date

2011

Authors

Yeoh, Wai Kong
Gault, B.
Cui, X. Y.
Zhu, C.
Moody, M.P.
Li, Li (Lily)
Zheng, Rongkun
Wang, Xiao Lin
Li, W.X.
Dou, S X

Journal Title

Journal ISSN

Volume Title

Publisher

American Physical Society

Abstract

Local fluctuations in the distribution of dopant atoms are thought to cause the nanoscale electronic disorder or phase separation in pnictide superconductors. Atom probe tomography has enabled the first direct observations of dopant species clustering in

Description

Keywords

Keywords: Atom probe tomography; Dopant atom distributions; Dopant atoms; Dopant concentrations; Dopant species; First-principles calculation; Inhomogeneities; K-doped; Length scale; Local fluctuations; Nanoscale electronics; Phase co-existence; Pnictides; Atoms; B

Citation

URI

http://hdl.handle.net/1885/61084

Collections

ANU Research Publications

Source

Physical Review Letters

Type

Journal article

Book Title

Entity type

Access Statement

Open Access

License Rights

DOI

10.1103/PhysRevLett.106.247002

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