In-air ion beam analysis with high spatial resolution proton microbeam

被引：2
|
作者：
Jaksic, M. [1 ]
Chokheli, D. [1 ]
Fazinic, S. [1 ]
Grilj, V. [1 ]
Skukan, N. [1 ]
Sudic, I. [1 ]
Tadic, T. [1 ]
Anticic, T. [1 ]
机构：
[1] Rudjer Boskovic Inst, Bijenicka Cesta 54, Zagreb 10000, Croatia
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2016年 / 371卷
基金：
欧盟地平线“2020”;
关键词：
Ion beam analysis; In-air microbeam; IBIC; STIM; Multiple scattering; ANGLE MULTIPLE-SCATTERING; SCREENED COULOMB REGION; EXTERNAL MICROBEAM; GEL-POLYMER; FACILITY; SYSTEM; PIXE; PIGE; IRRADIATION; MICROPROBE;
D O I：
10.1016/j.nimb.2015.11.012
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
One of the possible ways to maintain the micrometre spatial resolution while performing ion beam analysis in the air is to increase the energy of ions. In order to explore capabilities and limitations of this approach, we have tested a range of proton beam energies (2-6 MeV) using in-air STIM (Scanning Ion Transmission Microscopy) setup. Measurements of the spatial resolution dependence on proton energy have been compared with SRIM simulation and modelling of proton multiple scattering by different approaches. Results were used to select experimental conditions in which 1 micrometre spatial resolution could be obtained. High resolution in-air microbeam could be applied for IBIC (Ion Beam Induced Charge) tests of large detectors used in nuclear and high energy physics that otherwise cannot be tested in relatively small microbeam vacuum chambers. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：185 / 188
页数：4
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