Two-dimensional mapping of chemical information at atomic resolution

被引：214

作者：

Bosman, M. ^{[1
]}

Keast, V. J.

Garcia-Munoz, J. L.

D'Alfonso, A. J.

Findlay, S. D.

Allen, L. J.

机构：

[1] Univ Sydney, Electron Microscope Unit, Sydney, NSW 2006, Australia

[2] Univ Newcastle, Sch Math & Phys Sci, Newcastle, NSW 2308, Australia

[3] CSIC, Inst Ciencia Mat Barcelona, E-08193 Barcelona, Spain

[4] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 08期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.99.086102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The simultaneous measurement of structural and chemical information at the atomic scale provides fundamental insights into the connection between form and function in materials science and nanotechnology. We demonstrate structural and chemical mapping in Bi0.5Sr0.5MnO3 using an aberration-corrected scanning transmission electron microscope. Two-dimensional mapping is made possible by an adapted method for fast acquisition of electron energy-loss spectra. The experimental data are supported by simulations, which help to explain the less intuitive features.

引用

页数：4

共 27 条

[1] Atomic-resolution electron energy loss spectroscopy imaging in aberration corrected scanning transmission electron microscopy
Allen, LJ
Findlay, SD
Lupini, AR
Oxley, MP
Pennycook, SJ
[J]. PHYSICAL REVIEW LETTERS, 2003, 91 (10)
[2] Lattice-resolution contrast from a focused coherent electron probe. Part I
Allen, LJ
Findlay, SD
Oxley, MP
Rossouw, CJ
[J]. ULTRAMICROSCOPY, 2003, 96 (01) : 47 - 63
[3] Atomic and electronic structure of mixed and partial dislocations in GaN
Arslan, I
Bleloch, A
Stach, EA
Browning, ND
[J]. PHYSICAL REVIEW LETTERS, 2005, 94 (02)
[4] Sub-angstrom resolution using aberration corrected electron optics
Batson, PE
Dellby, N
Krivanek, OL
[J]. NATURE, 2002, 418 (6898) : 617 - 620
[5] BLELOCH A, 2003, MICROSC MICROANAL S3, V9, P40
[6] Mapping chemical and bonding information using multivariate analysis of electron energy-loss spectrum images
Bosman, M.
Watanabe, M.
Alexander, D. T. L.
Keast, V. J.
[J]. ULTRAMICROSCOPY, 2006, 106 (11-12) : 1024 - 1032
[7] Ferromagnetic manganites:: spin-polarized conduction versus competing interactions
Dörr, K
[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2006, 39 (07) : R125 - R150
[8] Scattering of Å-scale electron probes in silicon
Dwyer, C
Etheridge, J
[J]. ULTRAMICROSCOPY, 2003, 96 (3-4) : 343 - 360
[9] Atomic structure of a (2 x 1) reconstructed NiSi2/Si(001) interface -: art. no. 116103
Falke, U
Bleloch, A
Falke, M
Teichert, S
[J]. PHYSICAL REVIEW LETTERS, 2004, 92 (11) : 116103 - 1
[10] Modelling imaging based on core-loss spectroscopy in scanning transmission electron microscopy
Findlay, SD
Oxley, MP
Pennycook, SJ
Allen, LJ
[J]. ULTRAMICROSCOPY, 2005, 104 (02) : 126 - 140

← 1 2 3 →