Improved resolution and sensitivity on the ANSTO microprobe and it's application to μ-PIXE

被引：9
|
作者：
Siegele, R. [1 ]
Kachenko, A. G. [2 ]
Ionescu, M. [1 ]
Cohen, D. D. [1 ]
机构：
[1] ANSTO, Inst Environm Res, Menai, NSW 2234, Australia
[2] Fac Agr Food & Nat Resources, Sydney, NSW 2006, Australia
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2009年 / 267卷 / 12-13期
关键词：
Elemental localisation; Hybanthus floribundus; Metal hyperaccumulation; Micro-PIXE; Nickel (Ni); Nuclear microprobe; NUCLEAR MICROPROBE; LOCALIZATION; HYPERACCUMULATOR; LEAVES; NICKEL; PLANTS; STEMS;
D O I：
10.1016/j.nimb.2009.03.020
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We report on the improved spatial resolution of the ANSTO heavy ion microprobe, achieved through the use of a higher brightness ion source for hydrogen. The improved resolution will be demonstrated for applications of mu-PIXE. With the higher brightness source, a 3 mu m resolution was achieved for mu-PIXE elemental analysis. This is illustrated in high resolution images of nickel (Ni)-hyperaccumulating Hybanthus floribundus subsp. floribundus leaf tissues, where individual cells were clearly visible in the acquired elemental images. The higher resolution images illustrated that Ni was localised in epidermal cell walls. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：2054 / 2059
页数：6
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